CMT Cardiac Anatomy and Physiology

Question 1

What is the primary function of the heart's left ventricle?

Accepted Answer

Pumps oxygenated blood to the entire body.

Answer

Pumps deoxygenated blood to the lungs.

Answer

Pumps blood to the heart's right atrium.

Answer

Regulates blood flow in the left atrium.

Question 2

What does the sinoatrial (SA) node do in the heart's conduction system?

Accepted Answer

Answer

Triggers the atrial contractions and sets the heart rate.

Answer

Slows down the electrical impulses of the heart.

Answer

Regulates blood pressure.

Answer

Activates the heart valves.

Question 3

Which of the following is a common symptom of cardiac arrhythmia?

Accepted Answer

Dizziness and palpitations.

Answer

Sudden weight loss.

Answer

Frequent coughing.

Answer

Fatigue from exertion.

Question 4

What is the function of the coronary arteries?

Accepted Answer

Supply blood to the heart muscle.

Answer

Supply blood to the lungs.

Answer

Connect the atria to the ventricles.

Answer

Drain deoxygenated blood from the heart.

Question 5

Which blood vessel carries deoxygenated blood from the heart to the lungs?

Accepted Answer

Pulmonary artery.

Answer

Pulmonary vein.

Answer

Aorta.

Answer

Inferior vena cava.

Question 6

What is the role of the atrioventricular (AV) node?

Accepted Answer

Delays the electrical impulse between atria and ventricles.

Answer

Regulates blood flow.

Answer

Initiates the heart's electrical activity.

Answer

Supplies oxygenated blood to the heart.

Question 7

What does the term 'cardiac output' refer to?

Accepted Answer

The volume of blood pumped by the heart per minute.

Answer

The total volume of blood in the arteries.

Answer

The heart rate per minute.

Answer

The pressure exerted by the blood in the veins.

Question 8

Which part of the heart is primarily responsible for the oxygenation of blood?

Accepted Answer

Left ventricle.

Answer

Right atrium.

Answer

Right ventricle.

Answer

Left atrium.

Question 9

What is the primary cause of coronary artery disease?

Accepted Answer

Plaque buildup in the arteries.

Answer

Infection.

Answer

High blood pressure.

Answer

Genetic predisposition.