[10] Cardiology MCQ Quiz

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181. Which condition is characterized by an enlarged heart?

Arrhythmia

Cardiomegaly

Myocardial infarction

Hypertension

182. What lifestyle change is often recommended to lower blood pressure?

Smoking cessation

Regular exercise

High-fat diet

Increased salt intake

183. What is the medical term for a heart rate that exceeds 100 beats per minute?

Tachycardia

Arrhythmia

Palpitations

Bradycardia

184. Which structure in the heart prevents backflow of blood into the atria during ventricular contraction?

Atrioventricular valves

Coronary arteries

Semilunar valves

Interventricular septum

185. Which of the following is NOT a symptom of heart failure?

Fatigue

Swelling in the ankles

Excessive thirst

Shortness of breath

186. Which condition is characterized by an abnormal electrical conduction system in the heart?

Myopathy

Stenosis

Arrhythmia

Ischemia

187. What is the primary function of the coronary arteries?

Supply blood to the heart muscle

Pump blood to the lungs

Remove waste from the heart

Regulate heart rhythm

188. Which diagnostic test uses contrast dye and X-rays to visualize the blood vessels in the heart?

Electrocardiogram (ECG)

Angiography

Stress test

Echocardiogram

189. Which heart valve is located between the left atrium and left ventricle?

Tricuspid valve

Aortic valve

Mitral valve

Pulmonic valve

190. Which heart rhythm disturbance can lead to ineffective pumping and require immediate intervention?

Atrial flutter

Second-degree heart block

Ventricular fibrillation

Sinus rhythm

191. What is the medical term for high blood pressure?

Ischemia

Hypertension

Hypotension

Hyperlipidemia

192. Which condition involves the inflammation of the heart muscle?

Endocarditis

Pericarditis

Myocarditis

Angina

193. Which lifestyle change is most effective in reducing the risk of coronary artery disease?

Increasing sugar intake

Eating more processed foods

Quitting smoking

Decreasing exercise

194. Which of the following medications is commonly prescribed for heart failure to help reduce fluid buildup?

Statins

Anticoagulants

Beta-blockers

Diuretics

195. Which structure in the heart is responsible for transmitting electrical impulses to the ventricles?

Purkinje fibers

Sinoatrial node

Bundle of His

Atrioventricular node

196. Which cardiovascular condition is characterized by pain or discomfort in the chest, often due to reduced blood flow to the heart?

Heart failure

Angina pectoris

Cardiomyopathy

Myocardial infarction

197. Which of the following symptoms is most commonly associated with left-sided heart failure?

Peripheral edema

Jugular venous distention

Shortness of breath

Hepatomegaly

198. What is the primary purpose of an echocardiogram?

To assess heart structure and function

To evaluate cholesterol levels

To visualize coronary arteries

To measure blood pressure

199. Which condition is defined as an abnormal heart rhythm that can lead to ineffective heart pumping?

Aneurysm

Hypertension

Arrhythmia

Myocarditis

200. What is the main cause of atherosclerosis?

Heart valve defect

Congenital heart defect

Viral infection

Cholesterol buildup in arteries

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