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Cardiovascular System - Blood Flow in the Heart Quiz

#1

Which chamber of the heart receives deoxygenated blood from the body?

Right Atrium
Explanation

Right Atrium receives deoxygenated blood from the body.

#2

What is the primary function of the circulatory system in the human body?

Transport of oxygen and nutrients
Explanation

The circulatory system's primary function is to transport oxygen and nutrients.

#3

Which chamber of the heart pumps blood to the systemic circulation (to the body)?

Left Ventricle
Explanation

Left Ventricle pumps blood to the systemic circulation.

#4

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

Pulmonary Artery
Explanation

Pulmonary Artery carries deoxygenated blood from the heart to the lungs.

#5

What is the average resting heart rate for adults?

60-80 beats per minute
Explanation

The average resting heart rate for adults is 60-80 beats per minute.

#6

Which component of blood is responsible for transporting oxygen?

Red Blood Cells
Explanation

Red Blood Cells are responsible for transporting oxygen.

#7

What is the main function of the heart valves?

To prevent backflow of blood
Explanation

Heart valves prevent backflow of blood to maintain unidirectional flow.

#8

In which blood vessels does the exchange of oxygen and carbon dioxide take place?

Capillaries
Explanation

Capillaries facilitate the exchange of oxygen and carbon dioxide.

#9

What is the term for the volume of blood ejected by one ventricle during a heartbeat?

Stroke Volume
Explanation

Stroke Volume is the volume of blood ejected by one ventricle during a heartbeat.

#10

Which part of the heart initiates the heartbeat by generating electrical impulses?

Sinoatrial Node (SA Node)
Explanation

SA Node initiates the heartbeat by generating electrical impulses.

#11

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

Pulmonary Vein
Explanation

Pulmonary Vein carries oxygenated blood from the lungs to the heart.

#12

What is the role of hemoglobin in the blood?

Transport of oxygen
Explanation

Hemoglobin in the blood is responsible for the transport of oxygen.

#13

What is the term for the contraction phase of the heart's pumping action?

Systole
Explanation

Systole is the contraction phase of the heart's pumping action.

#14

Which artery supplies oxygenated blood to the heart muscle itself?

Coronary Artery
Explanation

Coronary Artery supplies oxygenated blood to the heart muscle.

#15

Which of the following factors contributes to the development of atherosclerosis?

Inflammation of blood vessels
Explanation

Inflammation of blood vessels contributes to atherosclerosis.

#16

What is the purpose of the heart's semilunar valves?

Prevent backflow into the ventricles
Explanation

Semilunar valves prevent backflow into the ventricles.

#17

What is the medical term for a heart attack?

Myocardial Infarction
Explanation

Myocardial Infarction is the medical term for a heart attack.

#18

What is the function of the pericardium in the heart?

Protect and lubricate the heart
Explanation

Pericardium protects and lubricates the heart.

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