[3] Cardiology MCQ Quiz

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Incorrect Answers: 0

41. Which condition is characterized by a narrowing of the coronary arteries?

Coronary artery disease

Myocarditis

Cardiac tamponade

Heart block

42. Which of the following is a non-modifiable risk factor for coronary artery disease?

High cholesterol

Smoking

Family history

Diabetes

43. Which of the following describes an abnormally fast heart rate?

Tachycardia

Heart block

Asystole

Bradycardia

44. Which medication is commonly used to treat angina pectoris by dilating coronary arteries?

Nitrates

Beta-blockers

ACE inhibitors

Diuretics

45. Which part of the heart's conduction system directly stimulates ventricular contraction?

SA node

Purkinje fibers

Bundle of His

AV node

46. Which of the following is a diagnostic marker for heart failure?

BNP (B-type natriuretic peptide)

LDH

Troponin

CK-MB

47. Which type of heart failure is characterized by the heart's inability to pump blood effectively?

Right-sided heart failure

Coronary heart failure

Diastolic heart failure

Systolic heart failure

48. Which of the following ECG changes is indicative of a myocardial infarction?

Prolonged PR interval

P wave inversion

T wave flattening

ST segment elevation

49. Which artery is primarily responsible for supplying blood to the heart muscle?

Carotid artery

Pulmonary artery

Coronary artery

Femoral artery

50. Which term refers to an abnormal connection between the aorta and pulmonary artery present at birth?

Aortic stenosis

Ventricular septal defect

Tetralogy of Fallot

Patent ductus arteriosus

51. Which of the following conditions results from a defect in the heart's electrical conduction system?

Atherosclerosis

Myocarditis

Cardiomyopathy

Arrhythmia

52. Which medication is commonly used in acute myocardial infarction to dissolve blood clots?

Aspirin

Beta-blockers

ACE inhibitors

Thrombolytics

53. Which of the following is an example of a calcium channel blocker?

Metoprolol

Atorvastatin

Amlodipine

Lisinopril

54. Which part of the ECG represents ventricular depolarization?

T wave

U wave

QRS complex

P wave

55. Which of the following heart conditions is characterized by an irregular heartbeat originating in the ventricles?

Ventricular fibrillation

Sinus tachycardia

Atrial flutter

Atrial fibrillation

56. Which of the following blood tests is used to monitor long-term blood thinning therapy?

INR (International Normalized Ratio)

D-dimer

Troponin

CK-MB

57. Which of the following procedures involves using a balloon to widen a narrowed coronary artery?

Coronary artery bypass graft

Angioplasty

Echocardiogram

Stenting

58. Which type of cardiomyopathy is most commonly associated with alcohol abuse?

Arrhythmogenic right ventricular cardiomyopathy

Dilated cardiomyopathy

Restrictive cardiomyopathy

Hypertrophic cardiomyopathy

59. Which electrolyte imbalance can cause arrhythmias?

Hypermagnesemia

Hyponatremia

Hypercalcemia

Hyperkalemia

60. Which of the following is a potential complication of untreated atrial fibrillation?

Heart failure

Myocarditis

Pulmonary embolism

Stroke

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