1 :

Hint : 🗝️First step for V-fib.

Correct Answers:

  • Defibrillation


Rationale :

🔸When a client becomes pulseless and apneic, and the monitor shows ventricular fibrillation (V-fib), the immediate priority intervention is defibrillation.

🔸V-fib is a lethal arrhythmia characterized by disorganized electrical activity resulting in no effective cardiac output.

🔸It requires immediate unsynchronized defibrillation to restore a perfusing rhythm.

🔸CPR should begin while the defibrillator is being prepared, but defibrillation is the definitive treatment.

🔸Medications like epinephrine and amiodarone are supportive but follow defibrillation per Advanced Cardiac Life Support (ACLS) protocol.

🔸 Synchronized cardioversion is not appropriate for V-fib as there is no detectable R wave to sync with.


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2 :

Hint : 🎯Linked to elevated BP

Correct Answers:

  • Obstructive sleep apnea (OSA)


Rationale :

🔸Obstructive sleep apnea (OSA) is a recognized independent risk factor for the development of hypertension.

🔸During apneic episodes, oxygen saturation drops, triggering sympathetic nervous system activation, which leads to vasoconstriction and elevated blood pressure over time.

🔸OSA is often underdiagnosed and contributes to resistant hypertension.

🔸In contrast, a high HDL level (≥60–70 mg/dL) and regular exercise are protective factors, and benazepril is an ACE inhibitor used to treat hypertension, not cause it.


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3 :

Hint : 🎯Vasodilates coronary arteries.

Correct Answers:

  • IV Nitroglycerine


Rationale :

🔸IV nitroglycerine is a potent vasodilator that acts directly on vascular smooth muscle, leading to dilation of coronary arteries and reduction of myocardial oxygen demand.

🔸It is commonly used in the setting of acute myocardial infarction (AMI) to improve blood flow and relieve ischemic chest pain.

🔸While alteplase is used for clot dissolution and heparin for anticoagulation, they do not cause coronary vasodilation.

🔸Metoprolol reduces heart rate and contractility, not vessel dilation.


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4 :

Hint : 💡 Loop diuretics waste potassium

Correct Answers:

  • Hypokalemia


Rationale :

🔹Furosemide (Lasix) is a loop diuretic that promotes the excretion of sodium, chloride, and potassium in the loop of Henle.

🔹The patient is receiving a higher dose IV than at home, which increases the risk of hypokalemia.

🔹This condition may lead to muscle weakness, arrhythmias, and ECG changes, especially in clients with heart failure.

🔹Monitoring potassium levels and providing supplements if needed is essential. The drug does not cause hyperkalemia, hypernatremia, or hypocalcemia under normal conditions.


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5 :

Hint : 💡 Check for arrhythmias.

Correct Answers:

  • Obtain a 12-lead ECG


Rationale :

🔸A potassium level of 6.8 mEq/L indicates severe hyperkalemia, which can lead to life-threatening cardiac arrhythmias such as ventricular fibrillation or asystole.

🔸The priority action is to obtain a 12-lead ECG to assess for characteristic changes, including peaked T-waves, widened QRS complex, or bradyarrhythmias.

🔸These changes guide the urgency of treatment, such as administration of calcium gluconate, insulin with glucose, or dialysis.

🔸Advising dietary changes or obtaining a sodium level is not appropriate until cardiac stability is ensured.


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6 :

Hint : 💡Gold standard for cardiac injury.

Correct Answers:

  • Elevated Troponins


Rationale :

🔹Troponins (I and T) are the most sensitive and specific biomarkers for diagnosing acute myocardial infarction (AMI).

🔹 They begin to rise within 3–6 hours after cardiac muscle injury and can remain elevated for 10–14 days, making them ideal for detecting both recent and ongoing damage.

🔹An ECG without ST segment changes does not rule out AMI, particularly in non-ST-elevation myocardial infarction (NSTEMI).

🔹 In such cases, elevated troponins confirm myocardial injury. CK is less specific to the heart, hemoglobin reflects oxygen-carrying capacity, and B-type Natriuretic Peptide (BNP) is used to assess heart failure, not myocardial infarction.


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7 :

Hint : 📌Rhythm from ventricles

Correct Answers:

  • Idioventricular Rhythm


Rationale :

✍️Idioventricular rhythm is a ventricular-originated rhythm that typically presents with a wide QRS complex, absence of P waves, and a slow rate (usually 20–40 bpm).

✍️This rhythm is often seen when higher pacemakers fail and the ventricles take over.

✍️ It is a protective mechanism but usually indicates a serious underlying condition, such as post-cardiac arrest or severe heart block.

✍️ It is important to recognize this rhythm as it often requires immediate intervention depending on the patient's symptoms and perfusion status.


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8 :

Hint : 🎯Elevated ST segment

Correct Answers:

  • STEMI


Rationale :

✅ ST-Elevation Myocardial Infarction (STEMI) is characterized by;

• Persistent chest pain

• Elevated ST segment on ECG,

✅They indicate transmural myocardial injury.

✅ This type of myocardial infarction requires emergency intervention such as reperfusion therapy to restore coronary blood flow.

✅Unlike NSTEMI or unstable angina, a STEMI involves a complete blockage of a coronary artery.

✅ Prompt identification and treatment are critical to reduce myocardial damage and improve outcomes.


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9 :

Hint : ⚠️Signs of compromised circulation

Correct Answers:

  • Swelling at the insertion site and cool extremity


Rationale :

🔹Swelling and coolness in the extremity post-cardiac catheterization suggest a vascular complication such as arterial occlusion or hematoma, which may compromise distal blood flow.

🔹This is a medical emergency and must be reported to the cardiologist immediately to prevent limb ischemia or further complications.

🔹Other findings like oozing may require monitoring, but signs of impaired circulation take priority due to their potential to cause permanent damage.


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10 :

Hint : 💡Monitor bleeding risk

Correct Answers:

  • Check your skin tor increased bruising


Rationale :

✍️Clients with atrial fibrillation are often prescribed anticoagulants to reduce the risk of thromboembolism.

✍️ A key side effect of these medications is increased bleeding tendency, and patients must be taught to monitor for signs such as bruising, bleeding gums, or hematuria.

✍️ Educating clients to check their skin for bruising increases their awareness of potential adverse effects

✍️ It also helps promote early detection of complications associated with anticoagulation therapy.


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Total Questions: 10

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