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Anatomy of the Circulatory System Quiz

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Which chamber of the heart receives oxygen-rich blood from the lungs?

Left atrium

Explanation

Receives oxygenated blood from the lungs.

Which blood vessels carry oxygenated blood away from the heart?

Arteries

Explanation

Carry oxygenated blood away from the heart.

In which blood vessel does gas exchange primarily occur?

Capillaries

Explanation

Primary site for gas exchange in the blood.

Which of the following is NOT a function of the circulatory system?

Production of hormones

Explanation

Circulatory system does not produce hormones.

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

Pulmonary artery

Explanation

Carries deoxygenated blood from heart to lungs.

Which component of blood is responsible for transporting oxygen?

Red blood cells

Explanation

Responsible for oxygen transport in blood.

What is the medical term for high blood pressure?

Hypertension

Explanation

Medical term for high blood pressure.

Which of the following is NOT a component of blood?

Neurons

Explanation

Neurons are not a component of blood.

Which valve prevents the backflow of blood from the left ventricle into the left atrium?

Mitral valve

Explanation

Prevents backflow from left ventricle to left atrium.

#10

What is the pacemaker of the heart called?

Sinoatrial node (SA node)

Explanation

Pacemaker of the heart.

#11

What is the medical term for a blood clot that forms in a blood vessel?

Thrombosis

Explanation

Medical term for blood clot in a vessel.

#12

Which of the following is NOT a major blood vessel attached to the heart?

Renal vein

Explanation

Renal vein is not attached to the heart.

#13

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

Vena cava

Explanation

Carries deoxygenated blood to the heart from the body.

#14

Which of the following factors does NOT contribute to the viscosity of blood?

Blood vessel diameter

Explanation

Blood vessel diameter does not contribute to blood viscosity.

#15

What type of blood vessel has the thickest muscular walls?

Arteries

Explanation

Arteries have the thickest muscular walls.

#16

Which of the following hormones regulates blood pressure?

Renin

Explanation

Regulates blood pressure.

Anatomy of the Circulatory System Quiz

Which chamber of the heart receives oxygen-rich blood from the lungs?

Which blood vessels carry oxygenated blood away from the heart?

In which blood vessel does gas exchange primarily occur?

Which of the following is NOT a function of the circulatory system?

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

Which component of blood is responsible for transporting oxygen?

What is the medical term for high blood pressure?

Which of the following is NOT a component of blood?

Which valve prevents the backflow of blood from the left ventricle into the left atrium?

What is the pacemaker of the heart called?

What is the medical term for a blood clot that forms in a blood vessel?

Which of the following is NOT a major blood vessel attached to the heart?

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

Which of the following factors does NOT contribute to the viscosity of blood?

What type of blood vessel has the thickest muscular walls?

Which of the following hormones regulates blood pressure?

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