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Cardiac Anatomy and Function Quiz

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What is the role of the sinoatrial node (SAN) in the heart?

Regulates the opening and closing of heart valves

Transports deoxygenated blood to the lungs

Pumps oxygenated blood to the rest of the body

Initiates the heartbeat by generating electrical impulses (correct)

Which blood vessel has thick muscle and high pressure?

Capillaries

Pulmonary vein

Arteries (correct)

Veins

What is the significance of PQRST points on an ECG trace?

They indicate blood pressure changes in the arteries

They represent different phases of the cardiac cycle (correct)

They measure the thickness of the heart's septum

They show the concentration of oxygen in the blood

Which factor can increase the risk of cardiovascular disease (CVD) based on genetics?

<p>Family history of heart disease</p> Signup and view all the answers

What is the effect of caffeine on heart rate in Daphnia?

<p>Increases heart rate</p> Signup and view all the answers

Cardiac Anatomy and Function Quiz

Choose a study mode

Podcast

Questions and Answers

What is the role of the sinoatrial node (SAN) in the heart?

Which blood vessel has thick muscle and high pressure?

What is the significance of PQRST points on an ECG trace?

Which factor can increase the risk of cardiovascular disease (CVD) based on genetics?

What is the effect of caffeine on heart rate in Daphnia?

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