NLE Emergency & Critical Care Nursing — Common Medical EmergenciesExam Answer Templates

Marks

1

Topic

Acute Respiratory Emergencies — Asthma

Difficulty

easy

Template Id

T1

Examiner Tip

For VSA questions in Emergency Nursing, the examiner wants one clearly stated priority with at least one clinical keyword. Positioning + oxygen + bronchodilator as a combined answer is acceptable and actually stronger.

Model Answer

The priority nursing action is to position the patient in high Fowler's position (upright, leaning forward) to maximize lung expansion and reduce the work of breathing, while immediately administering supplemental oxygen and preparing inhaled short-acting beta-2 agonist (salbutamol) nebulization.

Question Type

very_short_answer

Answer Structure

• Line 1: State the priority action with correct clinical rationale [1 mark]

Scoring Breakdown

Common Mark Deductions

• Stating 'give oxygen' without mentioning positioning — incomplete priority action
• Writing 'administer epinephrine' — this is for anaphylaxis, not asthma; confusing these is a critical error
• Not giving any rationale — some VSA questions still require a brief justification

Key Phrases To Include

• high Fowler's position
• upright positioning
• salbutamol / albuterol
• supplemental oxygen
• maximize lung expansion

Marks

1

Topic

Acute Respiratory Emergencies — Asthma

Difficulty

easy

Template Id

T2

Examiner Tip

This is a classic NLE trick question. The examiner is testing whether you know that silence = danger in asthma. Use the word 'ominous' and 'impending respiratory arrest' to demonstrate clear understanding.

Model Answer

A silent chest (absence of wheeze) in an acute asthmatic indicates impending respiratory arrest. It is an OMINOUS sign — not an improvement — because airflow has become too poor to generate audible breath sounds, signaling near-complete airway obstruction.

Question Type

very_short_answer

Answer Structure

• Line 1: State what silent chest indicates (impending respiratory arrest / near-complete obstruction) [1 mark]

Scoring Breakdown

Common Mark Deductions

• Writing that a silent chest means the patient is improving — this is a dangerous misconception that will cost the mark
• Failing to use the word 'ominous' or 'impending arrest' — vague answers like 'bad sign' may not earn full credit

Key Phrases To Include

• silent chest
• impending respiratory arrest
• ominous sign
• near-complete airway obstruction
• airflow too poor

Marks

2

Topic

Hypertensive Crisis

Difficulty

medium

Template Id

T3

Examiner Tip

The single most important differentiator is TARGET-ORGAN DAMAGE. Write it in capital letters or underline it to make it pop. Examiners want to see that you understand the physiological consequence, not just the blood pressure number.

Model Answer

Hypertensive URGENCY is a severely elevated blood pressure (systolic >180 mmHg or diastolic >120 mmHg) WITHOUT evidence of acute target-organ damage. It is managed with gradual oral antihypertensive therapy over 24–48 hours. Hypertensive EMERGENCY is a similarly elevated blood pressure WITH evidence of acute target-organ damage, such as hypertensive encephalopathy, acute heart failure, myocardial ischemia, aortic dissection, acute kidney injury, or stroke. It requires immediate, CONTROLLED intravenous (IV) blood pressure reduction using agents such as labetalol, nicardipine, or sodium nitroprusside, with a target of reducing the mean arterial pressure (MAP) by no more than 25% in the first hour.

Question Type

short_answer

Answer Structure

• Line 1–2: Define hypertensive urgency — high BP WITHOUT target-organ damage, gradual oral management [1 mark]
• Line 3–4: Define hypertensive emergency — high BP WITH target-organ damage, controlled IV reduction [1 mark]

Scoring Breakdown

Common Mark Deductions

• Confusing the two terms — writing that both require IV drugs loses both marks
• Not mentioning 'target-organ damage' as the key differentiating criterion
• Failing to name at least one IV agent for the emergency — incompleteness costs a mark

Key Phrases To Include

• target-organ damage
• without acute target-organ damage (urgency)
• with acute target-organ damage (emergency)
• gradual oral antihypertensive (urgency)
• controlled IV reduction (emergency)
• labetalol / nicardipine / sodium nitroprusside
• no more than 25% MAP reduction in first hour

Marks

2

Topic

Acute Cardiac Emergencies — ACS

Difficulty

medium

Template Id

T4

Examiner Tip

NLE loves to test nitroglycerin contraindications in ACS. Always include hypotension AND PDE-5 inhibitors as your top two — these are the most commonly tested. RV infarction earns full credit as a bonus answer.

Model Answer

Nitroglycerin must be withheld in the following conditions: 1. Hypotension (systolic BP <90 mmHg) — because nitroglycerin causes vasodilation, which will further lower blood pressure and reduce coronary perfusion pressure, potentially worsening ischemia. 2. Recent use of phosphodiesterase-5 (PDE-5) inhibitors (e.g., sildenafil/Viagra, tadalafil) — because the combination causes severe, potentially life-threatening hypotension. (A third acceptable answer: Suspected RIGHT VENTRICULAR (RV) infarction — because RV infarction is preload-dependent, and nitroglycerin reduces preload, causing cardiovascular collapse.)

Question Type

short_answer

Answer Structure

• Item 1: Name first contraindication with brief rationale [1 mark]
• Item 2: Name second contraindication with brief rationale [1 mark]

Scoring Breakdown

Common Mark Deductions

• Listing the contraindication without the rationale — some 2-mark questions require both the 'what' and the 'why'
• Writing 'allergy to nitroglycerin' — while clinically valid, this is not a high-yield NLE answer for ACS context
• Confusing nitroglycerin contraindications with morphine contraindications

Key Phrases To Include

• hypotension / systolic BP <90 mmHg
• PDE-5 inhibitors / sildenafil / tadalafil
• right ventricular (RV) infarction
• preload-dependent
• severe hypotension

Marks

2

Topic

Diabetic Emergencies — Hypoglycemia

Difficulty

easy

Template Id

T5

Examiner Tip

The safety statement 'NEVER give oral carbohydrate to an unconscious patient due to aspiration risk' is a high-value phrase. It demonstrates not just knowledge but clinical safety awareness, which NLE examiners value highly.

Model Answer

The 'Rule of 15' for hypoglycemia management: 1. Give 15 grams of fast-acting oral carbohydrate (e.g., 4 glucose tablets, 120–150 mL orange juice, or 3 teaspoons of sugar dissolved in water) to a CONSCIOUS patient who can swallow safely. 2. Recheck blood glucose after 15 MINUTES. 3. If glucose remains below 70 mg/dL, REPEAT the 15 grams of carbohydrate. 4. Once normalized, give a complex carbohydrate snack (e.g., crackers with peanut butter) to prevent recurrence. For an UNCONSCIOUS patient or one unable to swallow: administer 25 g of D50W intravenously OR intramuscular glucagon. NEVER give oral carbohydrate to an unconscious patient — this risks aspiration.

Question Type

short_answer

Answer Structure

• Step 1: 15 grams oral carbohydrate for conscious patient [0.5 mark]
• Step 2: Recheck in 15 minutes [0.5 mark]
• Step 3: Repeat if still low [0.5 mark]
• Step 4: IV dextrose/IM glucagon for unconscious — no oral for unconscious [0.5 mark]

Scoring Breakdown

Common Mark Deductions

• Forgetting to state the rechecking step — the 'check in 15 minutes' is half of the rule
• Not specifying the unconscious patient exception — a critical safety point that examiners always check
• Writing 'give orange juice' for an unconscious patient — this demonstrates a dangerous knowledge gap

Key Phrases To Include

• Rule of 15
• 15 grams fast-acting carbohydrate
• recheck in 15 minutes
• conscious patient able to swallow
• D50W IV or IM glucagon
• unconscious patient
• never give oral carbohydrate if reduced LOC
• aspiration risk

Marks

3

Topic

Diabetic Emergencies — DKA

Difficulty

medium

Template Id

T6

Examiner Tip

Always link each sign to its underlying pathophysiology. 'Kussmaul respirations — because the body is compensating for metabolic acidosis by blowing off CO2' is a complete answer. A bare list without mechanisms earns partial credit at best.

Model Answer

Three classic clinical manifestations of DKA: 1. KUSSMAUL RESPIRATIONS — deep, rapid, labored breathing that serves as a compensatory mechanism to blow off CO2 and reduce metabolic acidosis. 2. FRUITY/ACETONE BREATH ODOR — caused by the exhalation of acetone, a by-product of ketone breakdown from fat catabolism due to insulin deficiency. 3. SIGNS OF SEVERE DEHYDRATION — polyuria (increased urination), polydipsia (excessive thirst), and sunken eyes/dry mucous membranes, resulting from osmotic diuresis caused by hyperglycemia.

Question Type

short_answer

Answer Structure

• Item 1: Kussmaul respirations with explanation [1 mark]
• Item 2: Fruity/acetone breath with explanation [1 mark]
• Item 3: Signs of dehydration (polyuria, polydipsia) with explanation [1 mark]

Scoring Breakdown

Common Mark Deductions

• Listing 'high blood glucose' alone — this is expected in DKA and earns only 0.5 marks unless explained with mechanism
• Confusing Kussmaul with Cheyne-Stokes respiration — the latter is NOT a DKA finding
• Forgetting the rationale: 'fruity breath' without mentioning ketones earns reduced credit
• Listing four or more items without clear numbering — examiners may only mark the first three

Key Phrases To Include

• Kussmaul respirations
• deep and rapid breathing
• compensatory mechanism
• fruity/acetone breath
• ketone production
• insulin deficiency
• fat catabolism
• osmotic diuresis
• polyuria
• polydipsia
• dehydration

Marks

3

Topic

Acute Cardiac Emergencies — ACS

Difficulty

medium

Template Id

T7

Examiner Tip

The oxygen component of MONA trips many students. Current guidelines say oxygen ONLY if hypoxic. Writing this correctly shows NLE-level clinical updating. Also, stating aspirin should be CHEWED — not swallowed — is an easy mark that many students miss.

Model Answer

The MONA protocol for ACS management (given as clinically indicated, not in rigid order): M — MORPHINE: Administered IV for chest pain unrelieved by nitroglycerin. It reduces pain and anxiety, thereby decreasing myocardial oxygen demand. Reassess pain level after administration. O — OXYGEN: Administer supplemental oxygen ONLY if the patient is hypoxic (SpO2 <94%). Routine oxygen in non-hypoxic ACS patients is no longer recommended as it may cause vasoconstriction. N — NITROGLYCERIN: Given sublingually to dilate coronary vessels and reduce chest pain. WITHHOLD if: BP <90 mmHg (hypotension), patient used PDE-5 inhibitors (sildenafil) within 24–48 hours, or suspected right ventricular (RV) infarction. A — ASPIRIN: Give 160–325 mg chewed (not swallowed whole) for rapid antiplatelet effect to prevent further clot formation. Chewing hastens absorption.

Question Type

short_answer

Answer Structure

• M — Morphine: indication, action, nursing consideration [0.75 mark]
• O — Oxygen: indication (hypoxia only), current evidence-based rationale [0.75 mark]
• N — Nitroglycerin: route, action, three contraindications [0.75 mark]
• A — Aspirin: dose, route (chewed), rationale [0.75 mark]

Scoring Breakdown

Common Mark Deductions

• Stating 'oxygen for all ACS patients' without the hypoxia qualifier — this contradicts current evidence-based practice
• Not listing any nitroglycerin contraindication — this is a standard expected element
• Saying 'swallow aspirin' instead of 'chew aspirin' — the route distinction is clinically significant and may be tested
• Writing MONA as a mandatory sequence rather than 'as indicated' — the current approach is individualized

Key Phrases To Include

• MONA
• morphine IV, unrelieved chest pain
• oxygen only if hypoxic / SpO2 <94%
• nitroglycerin sublingual
• withhold nitroglycerin if hypotensive
• PDE-5 inhibitors
• RV infarction
• aspirin 160–325 mg
• chewed for rapid absorption
• antiplatelet effect

Marks

3

Topic

Diabetic Emergencies

Difficulty

medium

Template Id

T8

Examiner Tip

Use a two-column table format in your exam booklet if possible — it shows organization, makes comparison clear, and helps the examiner assign marks rapidly. Always state that hypoglycemia is MORE immediately dangerous due to the brain's dependence on glucose.

Model Answer

Comparison of Hypoglycemia vs. Diabetic Ketoacidosis (DKA): ONSET: - Hypoglycemia: RAPID onset (minutes to an hour) - DKA: GRADUAL onset (hours to days) BLOOD GLUCOSE: - Hypoglycemia: LOW (<70 mg/dL / 3.9 mmol/L) - DKA: HIGH (often >250 mg/dL), with ketones and metabolic acidosis KEY CLINICAL FEATURES: - Hypoglycemia: Shakiness, diaphoresis, palpitations, hunger, confusion, irritability, slurred speech (adrenergic + neuroglycopenic signs); may progress to seizures and coma - DKA: Polyuria, polydipsia, Kussmaul respirations, fruity breath, abdominal pain, nausea/vomiting, dehydration, altered consciousness (gradual deterioration) IMMEDIACY OF DANGER: - Hypoglycemia: MORE immediately dangerous — the brain is deprived of glucose within minutes, risking irreversible cerebral injury - DKA: Life-threatening but over a longer time course

Question Type

short_answer

Answer Structure

• Point 1: Onset comparison — rapid (hypoglycemia) vs. gradual (DKA) [1 mark]
• Point 2: Blood glucose comparison — low vs. high with key associated findings [1 mark]
• Point 3: Key clinical features unique to each condition [1 mark]

Scoring Breakdown

Common Mark Deductions

• Mixing up onset times — 'DKA is rapid' is a critical factual error
• Not mentioning Kussmaul respirations for DKA — this is a hallmark sign
• Not stating that hypoglycemia is the more immediately dangerous emergency

Key Phrases To Include

• rapid onset (hypoglycemia)
• gradual onset (DKA)
• blood glucose <70 mg/dL
• blood glucose >250 mg/dL
• Kussmaul respirations
• fruity/acetone breath
• diaphoresis / shakiness / palpitations
• neuroglycopenic symptoms
• metabolic acidosis
• more immediately dangerous (hypoglycemia)

Marks

3

Topic

Anaphylaxis

Difficulty

hard

Template Id

T9

Examiner Tip

The dose confusion between anaphylaxis (0.3–0.5 mg IM, 1:1000) and cardiac arrest (1 mg IV, 1:10,000) is one of the most commonly tested NLE traps. Write both concentrations explicitly in your answer to demonstrate awareness of the distinction. This alone can earn you the third mark.

Model Answer

IDENTIFIED CONDITION: ANAPHYLAXIS — a rapidly progressive, life-threatening systemic allergic reaction triggered by penicillin exposure, presenting with the classic tetrad of airway compromise (stridor), breathing difficulty (bronchospasm), circulatory collapse (hypotension/distributive shock), and skin findings (urticaria). PRIORITY INTERVENTION: Administer EPINEPHRINE 0.3–0.5 mg IM (1:1000 concentration) into the anterolateral thigh (vastus lateralis muscle) IMMEDIATELY. RATIONALE: Epinephrine is the ONLY drug that directly reverses all life-threatening components of anaphylaxis simultaneously: (1) it causes vasoconstriction — counteracting the severe vasodilation causing hypotension; (2) it causes bronchodilation — relieving bronchospasm; and (3) it inhibits further mediator release from mast cells. No other drug accomplishes this. Antihistamines and corticosteroids are ADJUNCTS ONLY and must never replace or delay epinephrine. ADDITIONAL NURSING ACTIONS (after epinephrine): High-flow oxygen, IV fluids for hypotension, position patient supine with legs elevated (if hypotensive) or slightly upright (if respiratory distress predominates). Monitor for BIPHASIC REACTION — a recurrence of anaphylaxis hours after initial recovery.

Question Type

case_study

Answer Structure

• Part 1: Correctly identifies anaphylaxis with clinical justification [1 mark]
• Part 2: States epinephrine as priority — correct dose, concentration, route, and site [1 mark]
• Part 3: Provides complete pharmacologic rationale for epinephrine [1 mark]

Scoring Breakdown

Common Mark Deductions

• Stating 'give antihistamines first' — a dangerous clinical error that shows priority confusion
• Wrong epinephrine dose/concentration: writing 1 mg IV (1:10,000) — this is for cardiac arrest, NOT anaphylaxis; this error can cost ALL marks
• Giving the IM injection in the deltoid instead of the thigh — the anterolateral thigh (vastus lateralis) is the correct site for fastest absorption
• Not mentioning the biphasic reaction — this is a high-yield NLE detail

Key Phrases To Include

• anaphylaxis
• epinephrine PRIORITY
• 0.3–0.5 mg IM
• 1:1000 concentration
• anterolateral thigh / vastus lateralis
• vasoconstriction
• bronchodilation
• inhibit mediator release
• antihistamines and steroids are adjuncts only
• biphasic reaction
• distributive shock

Marks

2

Topic

Acute Abdomen

Difficulty

easy

Template Id

T10

Examiner Tip

In acute abdomen questions, the 'what NOT to do' list (no heat, no laxatives, no enemas) is just as important as the 'what to do' list. Examiners specifically test whether you know these safety contraindications, so always include them.

Model Answer

Priority nursing actions for acute abdomen: 1. Keep the patient NPO (nothing by mouth) — in preparation for possible emergency surgery; oral intake may worsen obstruction or increase aspiration risk under anesthesia. 2. Establish IV access and administer prescribed IV fluids — to maintain hemodynamic stability, especially if signs of shock (hypotension, tachycardia) are present. 3. Monitor vital signs frequently and assess abdominal findings — including pain severity (using a pain scale), rigidity, rebound tenderness, guarding, and distension. 4. AVOID applying heat to the abdomen, giving laxatives, or administering enemas — heat and stimulants can cause rupture of an inflamed appendix or worsen bowel obstruction, leading to peritonitis and septic shock.

Question Type

short_answer

Answer Structure

• Items 1–2: NPO and IV access/fluids [1 mark]
• Items 3–4: Monitoring AND stating what to AVOID [1 mark]

Scoring Breakdown

Common Mark Deductions

• Not mentioning NPO — this is the most fundamental acute abdomen nursing action
• Forgetting to state what NOT to do (no heat, no laxatives) — this safety principle is frequently tested
• Writing 'apply warm compress for pain' — this is dangerous and costs the mark

Key Phrases To Include

• NPO
• IV access
• IV fluid resuscitation
• monitor vital signs
• abdominal assessment (rigidity, rebound tenderness, guarding)
• NO heat to abdomen
• NO laxatives
• NO enemas
• possible surgery

Marks

5

Topic

Acute Cardiac Emergencies — Heart Failure / Pulmonary Edema

Difficulty

hard

Template Id

T11

Examiner Tip

For 5-mark long answer questions in Emergency Nursing, organize your answer in CLEAR NUMBERED SECTIONS matching Maslow's priority (airway first, then breathing, then circulation). Each section should have the intervention, the mechanism/rationale, and the nursing monitoring point. This structure shows the examiner you are thinking like a clinical nurse, not just reciting a list.

Model Answer

ACUTE PULMONARY EDEMA: PRIORITY NURSING MANAGEMENT Definition/Pathophysiology (context): Acute pulmonary edema occurs when the left ventricle fails to effectively eject blood, causing fluid to accumulate in the pulmonary interstitium and alveoli, severely impairing oxygenation. The patient typically presents with severe dyspnea, tachycardia, anxiety, crackles throughout the lung fields, pink frothy sputum, and diaphoresis. PRIORITY INTERVENTIONS (Maslow-based, airway → breathing → circulation): 1. POSITIONING — Sit the patient UPRIGHT in high Fowler's or orthopneic position (leaning forward with arms supported) and allow the legs to hang dependently. Rationale: Upright positioning uses gravity to reduce venous return (preload) to the heart, decreasing pulmonary congestion and improving diaphragmatic excursion. 2. OXYGENATION — Administer HIGH-FLOW OXYGEN immediately (non-rebreather mask at 10–15 L/min) to correct hypoxemia. If oxygen saturation remains poor despite high-flow oxygen, prepare for Non-Invasive Positive Pressure Ventilation (NIPPV/CPAP or BiPAP). NIPPV reduces the work of breathing, improves oxygenation, and decreases the need for intubation. Rationale: Oxygen corrects hypoxia; positive pressure splints open alveoli filled with fluid. 3. PHARMACOLOGIC INTERVENTIONS: a. IV LOOP DIURETIC — Furosemide (Lasix) IV: Rapidly reduces preload by promoting diuresis, eliminating excess fluid from the circulatory system. Monitor urine output (target ≥30 mL/hr), electrolytes (especially potassium — furosemide causes hypokalemia), and blood pressure. b. VASODILATOR — IV/sublingual Nitroglycerin: Reduces both preload (venous dilation) and afterload (arterial dilation), decreasing the work of the failing heart. WITHHOLD if systolic BP <90 mmHg. 4. MONITORING AND REASSESSMENT: - Continuous cardiac monitoring (ECG) for dysrhythmias common in decompensated HF - Pulse oximetry (SpO2) continuously - Urine output hourly (furosemide effectiveness) - Auscultate lung fields every 15–30 minutes for clearing of crackles - Assess mental status (worsening confusion = worsening hypoxia) - Blood pressure monitoring every 5–15 minutes 5. NURSING DIAGNOSIS (NANDA-based priority): Impaired Gas Exchange related to fluid accumulation in alveoli as evidenced by SpO2 <90%, crackles, pink frothy sputum, and increased respiratory rate. COMPLICATIONS TO WATCH FOR: Respiratory failure requiring intubation, cardiogenic shock (BP drops despite treatment), dangerous hypokalemia from diuretics. MNEMONIC: 'Sit Up — Dry Out — Open Up' (High Fowler's → Furosemide → Nitroglycerin/NIPPV)

Question Type

long_answer

Answer Structure

• Introduction: Define acute pulmonary edema and describe presentation [0.5 mark]
• Priority 1: Positioning — specific position with rationale [1 mark]
• Priority 2: Oxygenation — high-flow O2 and NIPPV with rationale [1 mark]
• Priority 3: Pharmacologic — furosemide and nitroglycerin with doses, rationale, and nursing monitoring [1.5 marks]
• Priority 4: Continuous monitoring parameters with clinical rationale [0.5 mark]
• Bonus: NANDA nursing diagnosis or complication mention [0.5 mark]

Scoring Breakdown

Common Mark Deductions

• Mentioning diuretics without monitoring parameters (urine output, potassium) — incomplete pharmacologic answer
• Omitting NIPPV as an escalation option — this is a current standard of care
• Not stating the nitroglycerin contraindication — always required when this drug is mentioned
• Writing a management plan without any rationale — 5-mark questions REQUIRE justification for each intervention
• Giving epinephrine for pulmonary edema — this is for anaphylaxis; confusing the two is a critical error

Key Phrases To Include

• high Fowler's / orthopneic position
• legs dependent
• reduce venous return / preload
• high-flow oxygen
• non-invasive positive pressure ventilation (NIPPV)
• furosemide IV
• loop diuretic
• urine output monitoring
• hypokalemia watch
• nitroglycerin
• preload and afterload reduction
• withhold if BP <90 mmHg
• continuous cardiac monitoring
• pink frothy sputum
• crackles

Marks

5

Topic

Diabetic Emergencies — DKA

Difficulty

hard

Template Id

T12

Examiner Tip

The three-word answer sequence 'FLUIDS — INSULIN — POTASSIUM' should be the backbone of your DKA management answer. Write it at the top as a header, then expand each with rationale. The potassium paradox — 'serum K+ may be normal or high, but TOTAL BODY potassium is depleted' — is one of the highest-yield DKA points in the NLE. Write it exactly like that.

Model Answer

DIABETIC KETOACIDOSIS (DKA): EMERGENCY MANAGEMENT Background: DKA occurs predominantly in Type 1 diabetics due to absolute insulin deficiency. Without insulin, cells cannot utilize glucose, fat is broken down for energy producing ketone bodies, and severe metabolic acidosis develops. Clinical features include: blood glucose >250 mg/dL, Kussmaul respirations, fruity/acetone breath, polyuria, polydipsia, dehydration, abdominal pain, nausea/vomiting, and progressive altered consciousness. MANAGEMENT PRIORITIES (in correct order: Fluids → Insulin → Potassium): STEP 1 — FLUID RESUSCITATION (FIRST PRIORITY): Administer aggressive IV isotonic normal saline (0.9% NaCl) immediately. Typical initial rate is 1 L/hr for the first 2 hours, then adjusted based on hemodynamics. RATIONALE: DKA causes profound dehydration through osmotic diuresis. Fluid replacement must come BEFORE insulin to prevent cardiovascular collapse, correct hypovolemia, and improve renal perfusion. Starting insulin on a severely dehydrated patient can worsen hypotension. STEP 2 — INSULIN THERAPY (SECOND PRIORITY): Administer a CONTINUOUS IV INFUSION of REGULAR INSULIN (typically 0.1 units/kg/hour). Monitor blood glucose every hour. KEY RULES: - Do NOT start insulin if serum potassium is CRITICALLY LOW (<3.5 mEq/L) — insulin drives potassium into cells, worsening hypokalemia and risking fatal dysrhythmias. Replace potassium first. - When blood glucose falls to 200–250 mg/dL, add DEXTROSE to the IV fluids (e.g., D5W or D5 0.45% NaCl) to prevent hypoglycemia while continuing insulin until ketosis clears. RATIONALE: Insulin stops ketone production (ketogenesis), normalizes blood glucose, and corrects the metabolic acidosis. STEP 3 — POTASSIUM MONITORING AND REPLACEMENT (THIRD PRIORITY): Although serum potassium may be NORMAL or HIGH initially (due to acidosis shifting K+ out of cells), TOTAL BODY POTASSIUM IS DEPLETED. As insulin is given and acidosis corrects, potassium re-enters cells, causing dangerous HYPOKALEMIA. NURSING ACTION: Monitor serum potassium every 2–4 hours. Add KCl to IV fluids per protocol once potassium falls below 5.0 mEq/L and urine output is established. ADDITIONAL NURSING CARE: - Continuous cardiac monitoring for hypokalemia-induced dysrhythmias (flattened T-waves, U-waves) - Strict intake and output monitoring (hourly) - Frequent neurologic checks - Identify and treat the PRECIPITATING CAUSE (infection, missed insulin doses — most common in the Philippines) - NANDA Nursing Diagnosis: Fluid Volume Deficit related to osmotic diuresis as evidenced by polyuria, decreased skin turgor, hypotension, and elevated blood glucose. HHS (Hyperosmolar Hyperglycemic State): Occurs in Type 2 diabetes with VERY HIGH glucose (>600 mg/dL), SEVERE dehydration, MINIMAL ketosis. Managed on the same Fluids → Insulin → Potassium principles, with even more aggressive rehydration.

Question Type

long_answer

Answer Structure

• Background: DKA definition, type, and presentation [0.5 mark]
• Step 1: Fluids first — IV normal saline, rationale [1 mark]
• Step 2: Insulin — continuous IV regular insulin, hold if K+ low, add dextrose at 200–250 mg/dL [1.5 marks]
• Step 3: Potassium — monitor, rationale for hypokalemia risk [1 mark]
• Additional: Monitoring, NANDA diagnosis, precipitating cause, HHS distinction [1 mark]

Scoring Breakdown

Common Mark Deductions

• Starting with insulin instead of fluids — incorrect priority order; costs 1–2 marks
• Not mentioning the potassium paradox (may look normal but body is depleted) — frequently tested detail
• Forgetting to add dextrose when glucose drops to 200–250 mg/dL — this is a critical safety measure
• Not mentioning cardiac monitoring for hypokalemia dysrhythmias
• Confusing regular insulin (IV infusion for DKA) with NPH or insulin glargine (long-acting, NOT used in DKA)

Key Phrases To Include

• Fluids FIRST
• 0.9% normal saline
• osmotic diuresis
• continuous IV regular insulin
• do not start insulin if K+ <3.5 mEq/L
• add dextrose at 200–250 mg/dL
• total body potassium depleted
• hypokalemia risk after insulin
• serum potassium monitoring every 2–4 hours
• cardiac monitoring for dysrhythmias
• Kussmaul respirations
• fruity breath
• HHS in Type 2 diabetes

Marks

1

Topic

Acute Cardiac Emergencies — Pulmonary Edema

Difficulty

easy

Template Id

T13

Examiner Tip

In any respiratory emergency, POSITION comes before DRUGS. High Fowler's for respiratory distress (pulmonary edema, asthma, HF) is always the first nursing action. Never start with a drug name for respiratory questions — position first, then oxygen, then medications.

Model Answer

The FIRST nursing action is to immediately position the patient in HIGH FOWLER'S POSITION (sitting fully upright, 90 degrees, with legs hanging down) to reduce venous return, decrease preload on the failing heart, and maximize lung expansion. Simultaneously, administer high-flow oxygen. Pink frothy sputum is pathognomonic of acute pulmonary edema — an airway and breathing emergency requiring immediate positioning and oxygenation.

Question Type

very_short_answer

Answer Structure

• Line 1: State the priority action (high Fowler's) with rationale [1 mark]

Scoring Breakdown

Common Mark Deductions

• Writing 'give furosemide first' — furosemide is important but NOT the first action; positioning and oxygen come first
• Not mentioning the rationale for positioning
• Writing 'Trendelenburg position' — this is the opposite of correct and would worsen pulmonary edema

Key Phrases To Include

• high Fowler's position
• upright / sitting up
• reduce venous return
• decrease preload
• maximize lung expansion
• pink frothy sputum = pulmonary edema

Marks

2

Topic

Hypertensive Crisis

Difficulty

medium

Template Id

T14

Examiner Tip

The phrase 'NO MORE THAN 25% MAP REDUCTION IN THE FIRST HOUR' is a precise, high-yield clinical guideline. Write it out explicitly with the percentage — vague answers like 'lower slowly' will not earn the second mark. Mention ischemic stroke as the prime risk to demonstrate clinical depth.

Model Answer

In hypertensive emergency, blood pressure must be lowered GRADUALLY because organs that have been chronically exposed to high blood pressure develop autoregulatory adaptation — their perfusion pressure thresholds are reset to higher levels. A rapid, abrupt drop in blood pressure REMOVES the perfusion driving force that these organs now depend on. Specifically: - Rapid BP reduction can cause ISCHEMIC STROKE — because cerebral blood flow becomes critically insufficient if pressure drops too fast, even to 'normal' levels. - It can also precipitate MYOCARDIAL INFARCTION (coronary ischemia) and ACUTE KIDNEY INJURY. The standard guideline is to reduce the MEAN ARTERIAL PRESSURE (MAP) by NO MORE THAN 25% in the FIRST HOUR of treatment. After achieving this initial target, BP is further reduced more gradually over the following 24–48 hours. Continuous monitoring via arterial line and frequent neurologic checks are essential.

Question Type

short_answer

Answer Structure

• Line 1–2: Explain autoregulatory adaptation and why sudden drop is dangerous [1 mark]
• Line 3–4: State the 25% MAP rule and potential complications of rapid reduction [1 mark]

Scoring Breakdown

Common Mark Deductions

• Vague answer like 'rapid drop is dangerous' without explaining WHY (autoregulation) — earns only 0.5
• Not stating the 25% MAP rule — this specific guideline is expected in 2-mark answers
• Not mentioning at least one specific ischemic complication (stroke, MI, AKI)

Key Phrases To Include

• autoregulatory adaptation
• cerebral perfusion
• ischemic stroke
• myocardial ischemia / infarction
• mean arterial pressure (MAP)
• no more than 25% in the first hour
• acute kidney injury
• gradual reduction

Marks

3

Topic

Anaphylaxis — Biphasic Reaction

Difficulty

hard

Template Id

T15

Examiner Tip

Biphasic anaphylaxis is a high-frequency NLE topic because it tests whether you know that anaphylaxis management does not end when symptoms resolve. Key phrase: 'WITHOUT re-exposure to the allergen' — this distinguishes biphasic from a second allergic reaction to re-exposure. Always recommend the 24-hour observation period.

Model Answer

IDENTIFIED PHENOMENON: BIPHASIC ANAPHYLAXIS — a recurrence of anaphylactic symptoms hours (typically 1–72 hours, most commonly 4–12 hours) after the apparent resolution of the initial anaphylactic reaction, WITHOUT re-exposure to the triggering allergen. It occurs because a second wave of inflammatory mediators is released from mast cells and basophils. NURSING RESPONSE: 1. REASSESS IMMEDIATELY — assess airway (stridor, edema), breathing (bronchospasm, SpO2), circulation (BP, HR), and skin (urticaria, angioedema). Treat this as a new anaphylactic emergency — do NOT assume it will resolve on its own. 2. ADMINISTER EPINEPHRINE AGAIN — give epinephrine 0.3–0.5 mg IM (1:1000) into the anterolateral thigh, as for the initial episode. This remains the PRIORITY drug for the biphasic reaction. 3. NOTIFY THE PHYSICIAN and prepare for possible hospitalization for observation (24-hour monitoring is recommended for biphasic risk). 4. Continue adjuncts as ordered: oxygen, IV fluids for hypotension, antihistamines, corticosteroids (corticosteroids are given in part to blunt the late-phase/biphasic response). 5. TEACHING: Instruct the patient and family that biphasic reactions can occur and emphasize the need to REMAIN under observation for at least 4–8 hours (some guidelines recommend 24 hours) after anaphylaxis, even after apparent recovery.

Question Type

case_study

Answer Structure

• Part 1: Identify and define biphasic anaphylaxis correctly [1 mark]
• Part 2: Immediate nursing response — reassess, give epinephrine again [1 mark]
• Part 3: Further management — physician notification, monitoring, adjuncts, patient teaching [1 mark]

Scoring Breakdown

Common Mark Deductions

• Not naming 'biphasic anaphylaxis' specifically — saying 'allergic reaction came back' is insufficiently precise
• Administering antihistamines as first response instead of epinephrine — priority error costs a mark
• Not mentioning the observation period in patient teaching — this is a key safety practice point

Key Phrases To Include

• biphasic anaphylaxis
• recurrence without re-exposure
• 1–72 hours after initial reaction
• second mediator release
• epinephrine again (0.3–0.5 mg IM, 1:1000)
• reassess ABCs
• 24-hour observation
• corticosteroids to blunt late-phase reaction
• patient teaching