Question 1

Which of the following correctly describes the sequence of blood flow starting at the right atrium and ending at the left ventricle?

Accepted Answer

Right Atrium $$\rightarrow$$ Tricuspid Valve $$\rightarrow$$ Right Ventricle $$\rightarrow$$ Pulmonary Valve $$\rightarrow$$ Pulmonary Trunk $$\rightarrow$$ Pulmonary Arteries $$\rightarrow$$ Lungs $$\rightarrow$$ Pulmonary Veins $$\rightarrow$$ Left Atrium $$\rightarrow$$ Mitral Valve $$\rightarrow$$ Left Ventricle

Question 2

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

Accepted Answer

Pulmonary vein

Question 3

A patient has a blockage in the mitral valve. Which chamber will be directly affected in its ability to receive blood?

Accepted Answer

Left atrium

Question 4

Which of the following is the correct order of structures that blood passes through when moving from the left ventricle to the right atrium?

Accepted Answer

Left Ventricle $$\rightarrow$$ Aortic Valve $$\rightarrow$$ Aorta $$\rightarrow$$ Systemic Circulation $$\rightarrow$$ Superior/Inferior Vena Cava $$\rightarrow$$ Right Atrium

Question 5

Which heart valve prevents backflow of blood from the right ventricle to the right atrium?

Accepted Answer

Tricuspid valve

Question 6

A blood sample is found to contain a high number of eosinophils. Which condition is most likely present?

Accepted Answer

Parasitic worm infection

Question 7

Which of the following blood cells is responsible for carrying oxygen?

Accepted Answer

Red blood cell

Question 8

If the pulmonary valve is stenotic (narrowed), which of the following will most likely occur?

Accepted Answer

Blood flow from the right ventricle to the pulmonary trunk will be reduced

Question 9

Which of the following is the correct formula for cardiac output ($$CO$$)?

Accepted Answer

$$CO = HR 	imes SV$$

Question 10

A patient has a mutation that prevents platelets from functioning. Which process will be most directly impaired?

Accepted Answer

Blood clotting

Question 11

Which of the following is a general phagocyte and considered a first responder in inflammation?

Accepted Answer

Neutrophil

Question 12

Which vessel returns deoxygenated blood from the lower body to the right atrium?

Accepted Answer

Inferior vena cava

Question 13

Which of the following is the correct sequence for blood flow through the pulmonary circuit?

Accepted Answer

Right Ventricle $$\rightarrow$$ Pulmonary Valve $$\rightarrow$$ Pulmonary Trunk $$\rightarrow$$ Pulmonary Arteries $$\rightarrow$$ Lungs $$\rightarrow$$ Pulmonary Veins $$\rightarrow$$ Left Atrium

Question 14

Which heart chamber receives oxygenated blood from the lungs?

Accepted Answer

Left atrium

Question 15

Which of the following cells transforms into macrophages in the periphery?

Accepted Answer

Monocyte

Question 16

A patient is diagnosed with a defect in the aortic semilunar valve. Which of the following will be most directly affected?

Accepted Answer

Blood flow from the left ventricle to the aorta

Question 17

Which of the following is the correct path for blood returning from the body to the heart?

Accepted Answer

Systemic Veins $$\rightarrow$$ Superior/Inferior Vena Cava $$\rightarrow$$ Right Atrium

Question 18

Which of the following is produced by megakaryocytes?

Accepted Answer

Platelet

Question 19

Which of the following is the correct formula for stroke volume ($$SV$$)?

Accepted Answer

$$SV = EDV - ESV$$

Question 20

Which of the following arteries supplies blood to the heart muscle itself?

Accepted Answer

Coronary artery

Cardiovascular System: Heart Anatomy and Blood Flow

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