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1 A 60-year-old male presents to the emergency department with chest pain and diaphoresis. An ECG shows ST-segment elevation in leads II, III, and aVF. What is the most likely diagnosis?
A Inferior myocardial infarction
B Anterior myocardial infarction
C Aortic dissection
D Pulmonary embolism
Explanation: The ST-segment elevation in inferior leads (II, III, aVF) suggests an inferior myocardial infarction, likely due to right coronary artery occlusion.
2 A 45-year-old woman with a family history of hypertension presents with a blood pressure of 150/95 mmHg at a routine check-up. What is the recommended first-line treatment?
A Beta-blocker
B ACE inhibitor
C Calcium channel blocker
D Diuretic
Explanation: In the absence of other contraindications, an ACE inhibitor is typically the first-line treatment for hypertension, especially with a family history.
3 A patient with a history of atrial fibrillation is found to have a new onset of left-sided weakness. What is the most likely cause of this symptom?
A Hemorrhagic stroke
B Ischemic stroke
C Transient ischemic attack
D Peripheral artery disease
Explanation: Atrial fibrillation is a major risk factor for the formation of thrombi in the heart that can lead to ischemic strokes, which typically present with focal neurological deficits.
4 During a routine cardiac evaluation, a 50-year-old male is diagnosed with dilated cardiomyopathy. Which of the following is a common cause?
A Hypertensive heart disease
B Myocardial infarction
C Chronic alcohol abuse
D Aortic stenosis
Explanation: Chronic alcohol abuse is a well-known cause of dilated cardiomyopathy due to its toxic effects on myocardial cells.
5 In a patient with severe mitral stenosis, which of the following symptoms is most likely to occur?
A Palpitations
B Chest pain
C Peripheral edema
8 A young athlete collapses during a game. An ECG shows a short QT interval. What condition does this suggest?
A Long QT syndrome
B Short QT syndrome
C Bradycardia
D Tachycardia
Explanation: A short QT interval is associated with short QT syndrome, which can lead to an increased risk of arrhythmias and sudden cardiac death.
9 A 68-year-old female presents with sudden onset of severe chest pain radiating to the back. She is found to have a widened mediastinum on chest X-ray. What is the most likely diagnosis?
A Pulmonary embolism
B Aortic dissection
C Acute coronary syndrome
D Pneumothorax
Explanation: A widened mediastinum on chest X-ray is a classic sign of aortic dissection, which often presents with severe chest pain and back pain.
10 A patient presents with a history of syncope during exertion. Which of the following is the most concerning underlying condition?
A Vasovagal syncope
B Arrhythmia
C Dehydration
D Hyperventilation
Explanation: Syncope during exertion raises concern for arrhythmias, which can lead to significant cardiovascular events.
11 A patient with a long-standing history of hypertension presents with a new-onset headache and visual disturbances. What complication should be suspected?
A Cerebral aneurysm
B Hypertensive crisis
C Retinal detachment
D Subdural hematoma
Explanation: New-onset headache and visual disturbances in a patient with long-standing hypertension may indicate a hypertensive crisis, potentially leading to end-organ damage.
12 A patient with a history of coronary artery disease is being evaluated for recurrent angina. What non-invasive test is most appropriate initially?
A Stress echocardiogram
B Coronary angiography
C Cardiac MRI
D Holter monitor
Explanation: A stress echocardiogram is a useful non-invasive test to assess for inducible ischemia in patients with known coronary artery disease.
15 A patient with known heart failure presents with worsening edema and shortness of breath. Which medication class is typically adjusted first?
A ACE inhibitors
B Beta-blockers
C Diuretics
D Aldosterone antagonists
Explanation: Diuretics are typically adjusted first in heart failure patients presenting with worsening edema and shortness of breath to manage fluid overload.
16 A 65-year-old male presents with chest pain that radiates to his left arm during exercise. Which of the following is the most likely diagnosis?
A Stable angina
B Myocardial infarction
C Aortic dissection
D Pulmonary embolism
Explanation: Stable angina typically presents as chest pain that occurs with exertion and is relieved by rest.
17 During a routine check-up, a patient is found to have a blood pressure of 150/ mmHg. Which of the following lifestyle modifications is most effective for managing hypertension?
A Increased physical activity
B High-sodium diet
C Reduced fluid intake
D Increased alcohol consumption
Explanation: Increased physical activity is known to significantly lower blood pressure and improve cardiovascular health.
18 A patient with a history of heart failure presents with shortness of breath and edema. Which laboratory test is most useful in assessing their condition?
A Troponin levels
B B-type natriuretic peptide (BNP)
C Complete blood count (CBC)
D Lipid profile
Explanation: BNP levels are elevated in heart failure and are useful for diagnosis and management.
19 A 55-year-old female with diabetes and hypertension is undergoing a cardiac stress test. What is the most important reason to monitor for ischemic changes during this test?
A Risk of arrhythmias
B Identification of silent ischemia
C Assessment of heart rate recovery
D Evaluation of exercise capacity
Explanation: Patients with diabetes often have silent ischemia, and monitoring is crucial to identify this.
D No significant lesions
Explanation: A 70% stenosis is generally considered significant and likely to impact blood flow.
23 A patient is diagnosed with mitral stenosis. Which of the following symptoms is most characteristic of this condition?
A Palpitations
B Syncope
C Exertional dyspnea
D Chest pain
Explanation: Exertional dyspnea is a hallmark symptom due to reduced cardiac output during physical activity.
24 A 40-year-old woman presents with a family history of premature coronary heart disease. Which of the following is the most appropriate screening test?
A Lipid panel
B Electrocardiogram
C Echocardiogram
D Cardiac MRI
Explanation: A lipid panel is essential for assessing cholesterol levels and cardiovascular risk factors.
25 A patient with a new diagnosis of atrial fibrillation is started on anticoagulation therapy. Which of the following is the primary benefit of this treatment?
A Reduction of blood pressure
B Prevention of stroke
C Improvement of heart rate
D Decrease of heart failure symptoms
Explanation: Anticoagulation therapy primarily aims to prevent thromboembolic events, particularly stroke.
