[9] Cardiology MCQ Quiz

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161. Which condition involves the narrowing or blockage of the coronary arteries due to plaque buildup?

Pulmonary embolism

Aortic aneurysm

Coronary artery disease

Peripheral artery disease

162. Which of the following is the primary function of the atrioventricular (AV) node?

Delay the electrical impulse

Pump blood to the lungs

Regulate heart valve function

Generate the heartbeat

163. Which of the following medications is an anticoagulant that prevents blood clots?

Furosemide

Lisinopril

Digoxin

Warfarin

164. Which cardiac condition is characterized by the presence of extra heartbeats that originate in the ventricles?

Atrial fibrillation

Sinus bradycardia

Premature ventricular contractions (PVCs)

Atrial flutter

165. Which layer of the heart is the innermost layer that lines the heart chambers and valves?

Pericardium

Endocardium

Epicardium

Myocardium

166. Which of the following is an example of a loop diuretic used in the treatment of heart failure?

Metoprolol

Amlodipine

Warfarin

Furosemide

167. Which type of shock results from the heart's inability to pump blood effectively, often due to severe heart attack?

Septic shock

Neurogenic shock

Hypovolemic shock

Cardiogenic shock

168. Which risk factor is most closely associated with coronary artery disease?

Smoking

Low cholesterol diet

Regular exercise

High potassium diet

169. What is the primary cause of heart valve diseases?

Rheumatic fever

Aging

Infection

All of the above

170. Which of the following is NOT a sign of right-sided heart failure?

Hepatomegaly

Jugular venous distention

Swelling in the legs

Shortness of breath

171. Which arrhythmia is characterized by a rapid heart rate originating from the ventricles?

Ventricular fibrillation

Atrial fibrillation

Sinus tachycardia

Ventricular tachycardia

172. What is the primary treatment for aortic stenosis?

Cardiac rehabilitation

Valve replacement

Observation

Medication

173. Which type of cardiomyopathy is characterized by a thickened heart muscle?

Dilated cardiomyopathy

Restrictive cardiomyopathy

Ischemic cardiomyopathy

Hypertrophic cardiomyopathy

174. Which test is used to assess the presence of coronary artery disease during exercise?

Cardiac catheterization

Electrocardiogram (ECG)

Echocardiogram

Stress test

175. Which heart rhythm is often described as a 'sawtooth' pattern on an ECG?

Atrial flutter

Sinus tachycardia

Atrial fibrillation

Ventricular fibrillation

176. Which of the following medications is used to lower cholesterol levels?

Statins

Calcium channel blockers

ACE inhibitors

Beta-blockers

177. What is the most common cause of myocarditis?

Viral infection

Bacterial infection

Autoimmune disease

All of the above

178. Which imaging technique uses magnetic fields to create detailed images of the heart?

Echocardiogram

MRI

X-ray

CT scan

179. What is the term for chest pain due to insufficient blood flow to the heart muscle?

Heart failure

Myocardial infarction

Angina pectoris

Cardiac arrest

180. Which of the following is a common symptom of pericarditis?

Leg swelling

Fatigue

Chest pain

Palpitations

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