1 :

Hint : 📉 Irregular rhythm + no P waves

Correct Answers:

  • Atrial Fibrillation


Rationale :

🔵 Atrial fibrillation is characterized by irregularly irregular rhythm with no visible P waves on ECG.

🔵 The baseline appears chaotic or fibrillatory, due to rapid atrial activity.

🔵 The ventricular response is irregular, depending on AV node conduction.

🔵 It is a common arrhythmia in elderly clients or those with cardiac conditions.

🔵 Atrial fibrillation increases risk for stroke due to clot formation in the atria.


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2 :

Hint : 💉Pain + anxiety control after MI

Correct Answers:

  • Morphine


Rationale :

🔴 Morphine helps relieve ischemic chest pain unrelieved by nitrates.

🔴 It also reduces preload and afterload, decreasing myocardial oxygen demand.

🔴 It acts as an anxiolytic, helping reduce stress-induced sympathetic drive.

🔴 Morphine can relieve pulmonary congestion by redistributing blood flow.

🔴 It is used cautiously due to respiratory depression and hypotension risk.


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3 :

Hint : 🩻 Monitor site + rhythm regularly

Correct Answers:

  • Do not wear tight clothing over the insertion area
  • Count your pulse for 1 min each morning.
  • Request to be scanned with a handheld metal detector when in the airport.


Rationale :

🟡 Do not wear tight clothing over the insertion area – prevents pressure and irritation at the site.

🟡 Count your pulse for 1 min each morning – to detect pacemaker malfunction (bradycardia, loss of capture).

🟡 Request to be scanned with a handheld metal detector – safer than arch scanners; prolonged exposure to full-body scanners can affect function.


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4 :

Hint : 🤢Look for GI and neuro signs

Correct Answers:

  • Evaluating the client for nausea, vomiting, and anorexia


Rationale :

🟢 These are early signs of digoxin toxicity and must be evaluated before administration.

🟢 Digoxin has a narrow therapeutic range, and toxicity can lead to fatal arrhythmias.

🟢 Toxicity risk increases with hypokalemia, common in heart failure clients on diuretics.

🟢 Apical pulse should be taken for a full 60 seconds, not 30.

🟢 Potassium should not be restricted, as low levels increase toxicity risk.


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5 :

Hint : 🍌Replace what the loop takes

Correct Answers:

  • Eat foods that contain plenty of potassium.


Rationale :

🔷 Furosemide is a loop diuretic that causes potassium loss via the kidneys.

🔷 Low potassium can lead to muscle cramps, weakness, and dysrhythmias.

🔷 Clients should be taught to eat foods like bananas, oranges, and spinach.

🔷 Taking the drug at bedtime increases nocturia, so it's better taken in the morning.

🔷 Swelling should reduce, not increase, with diuretic therapy.


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6 :

Hint : 🩸Look for cardiac enzymes

Correct Answers:

  • Troponin I
  • CPK
  • Myoglobin
  • Troponin T


Rationale :

🔶 Troponin I and T – most specific cardiac markers, appear 4–6 hrs post-MI, peak at 12–24 hrs.

🔶 CPK (especially CK-MB) – rises within 4–8 hrs, though less specific than troponin.

🔶 Myoglobin – rises early (2–3 hrs) but is non-specific; useful for early detection.


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7 :

Hint : ❤️Check rhythm for K+ danger

Correct Answers:

  • Obtain a 12-lead ECG.


Rationale :

🔵 A level of 6.8 mEq/L is severe hyperkalemia, which can cause fatal arrhythmias.

🔵 ECG changes include peaked T waves, widened QRS, and potentially asystole.

🔵 Monitoring cardiac status is the priority, even before lab confirmation.

🔵 Salt substitutes contain potassium chloride and are contraindicated.

🔵 Citrus fruits and bananas are high in potassium, not advised.


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8 :

Hint : 🦵Rest pain = serious ischemia

Correct Answers:

  • Leg pain at rest


Rationale :

🟣 Rest pain indicates progression from intermittent claudication to critical limb ischemia.

🟣 It occurs when blood flow is inadequate even without activity.

🟣 Clients often report pain when elevating legs, and relief when legs are dependent.

🟣 Other expected findings include hair loss, shiny skin, thick nails, not flushed legs.

🟣 Legs are typically cool and pale, not warm or red unless dependent.


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9 :

Hint : ❤️Triggered by stress or exertion

Correct Answers:

  • Exertion and anxiety can trigger the pain.


Rationale :

🔴 Stable angina is triggered by increased myocardial oxygen demand—from exercise, stress, or emotion.

🔴 Pain is usually relieved by rest or nitroglycerin, not persistent.

🔴 It typically lasts <15 minutes, not >20 min (that suggests MI).

🔴 Sitting up may help with dyspnea, not necessarily anginal relief.


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10 :

Hint : 🥗 Total lifestyle overhaul

Correct Answers:

  • “I must stop smoking"
  • “I am limiting my intake of fast foods"
  • “I will stop consuming alcohol."
  • “I need to monitor my weight."


Rationale :

🟢 Stop smoking – smoking accelerates atherosclerosis and platelet aggregation.

🟢 Limit fast foods – reduces saturated fat and LDL cholesterol intake.

🟢 Stop alcohol – excessive intake increases BP and triglycerides.

🟢 Monitor weight – obesity is a modifiable risk factor for CAD.


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Total Questions: 10

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