[6] Cardiology MCQ Quiz

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101. Which cardiac enzyme is the most specific indicator of myocardial infarction?

CK-MB

LDH

AST

Troponin

102. Which of the following is an antiarrhythmic drug used to manage ventricular arrhythmias?

Amiodarone

Aspirin

Warfarin

Furosemide

103. Which cardiac structure prevents backflow of blood from the left ventricle to the left atrium?

Tricuspid valve

Pulmonic valve

Aortic valve

Mitral valve

104. Which of the following is a beta-blocker used to manage hypertension and angina?

Lisinopril

Metoprolol

Furosemide

Amlodipine

105. Which diagnostic test is used to assess the size, shape, and motion of the heart's chambers and valves?

Electrocardiogram (ECG)

Stress test

Cardiac catheterization

Echocardiogram

106. Which medication is used to prevent the aggregation of platelets in patients with cardiovascular disease?

Furosemide

Lisinopril

Amiodarone

Aspirin

107. Which of the following is a characteristic of atrial flutter?

Wide QRS complexes

Sawtooth pattern on ECG

Irregularly irregular rhythm

Prolonged PR interval

108. Which artery is commonly used for coronary artery bypass graft (CABG) surgery?

Carotid artery

Radial artery

Femoral artery

Internal mammary artery

109. Which of the following medications is used to reduce fluid retention in heart failure patients?

Aspirin

Metoprolol

Furosemide

Warfarin

110. Which of the following heart sounds is associated with the closure of the aortic and pulmonic valves?

S1

S3

S2

S4

111. Which condition is characterized by a sudden loss of heart function, breathing, and consciousness?

Arrhythmia

Heart failure

Myocardial infarction

Cardiac arrest

112. Which of the following is the most common risk factor for developing coronary artery disease?

Hyperkalemia

Iron deficiency

Hypotension

Smoking

113. Which of the following is an effect of sympathetic nervous system stimulation on the heart?

Decreased blood pressure

Increased contractility

Decreased heart rate

Vasodilation

114. Which diagnostic tool is used to detect ischemia or infarction by evaluating the electrical activity of the heart?

Electrocardiogram (ECG)

Echocardiogram

Cardiac MRI

Holter monitor

115. Which type of cardiomyopathy is characterized by a stiff, non-compliant heart muscle?

Dilated cardiomyopathy

Hypertrophic cardiomyopathy

Restrictive cardiomyopathy

Ischemic cardiomyopathy

116. Which medication is used as a vasodilator to relieve angina pectoris?

Metoprolol

Furosemide

Nitroglycerin

Digoxin

117. Which condition involves a defect in the wall between the heart's upper chambers?

Ventricular septal defect

Atrial septal defect

Coarctation of the aorta

Tetralogy of Fallot

118. Which of the following is the primary treatment for acute myocardial infarction?

Calcium channel blockers

Aspirin

Thrombolytic therapy

Furosemide

119. Which heart valve separates the right atrium and right ventricle?

Tricuspid valve

Mitral valve

Pulmonic valve

Aortic valve

120. Which medication is used to manage high cholesterol and reduce the risk of cardiovascular events?

Lisinopril

Metoprolol

Clopidogrel

Atorvastatin

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