SAT - about the heart/cardiovascular system / circulatory system/electrocardiograms/cardiac arrhythmias | Take the Quiz

What is the main function of the heart?

Pump blood throughout the body

Produce red blood cells

Regulate body temperature

Digest food

Which blood vessels carry oxygenated blood away from the heart?

Arteries

Veins

Capillaries

Lymphatic vessels

What is the correct order of blood flow through the heart?

Right atrium, right ventricle, left atrium, left ventricle

Left atrium, left ventricle, right atrium, right ventricle

Right ventricle, right atrium, left ventricle, left atrium

Left ventricle, left atrium, right ventricle, right atrium

Which of the following is NOT a component of blood?

Red blood cells

White blood cells

Platelets

Plasma

What is the average resting heart rate for adults?

50-60 beats per minute

70-80 beats per minute

90-100 beats per minute

110-120 beats per minute

What is an electrocardiogram (ECG/EKG) used to measure?

Blood pressure

Heart rate and rhythm

Oxygen saturation

Lung capacity

What is the purpose of blood vessels called capillaries?

To carry oxygenated blood away from the heart

To exchange nutrients and waste products between blood and tissues

To regulate blood pressure

To store excess blood

Which chamber of the heart pumps oxygenated blood to the rest of the body?

Right atrium

Right ventricle

Left atrium

Left ventricle

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