Pretest

Question 1

Ventricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles?

Revolt · Accepted Answer

C: arteries

Question 2

Gerald is lightheaded and tired from a lack of oxygen in his tissues. What is most likely the reason he feels this way?

Revolt · Accepted Answer

C: His red blood cell count is low.

Question 3

Which gases are carried by red blood cells? Choose two correct answers.

Revolt · Accepted Answer

A: oxygen; B: carbon dioxide

Question 4

Cells need oxygen to make energy. Oxygen-rich blood is transported to tissues. When the oxygen is dropped off, it needs to move through structures that are small and thin. Which vessels allow for oxygen movement into the tissues?

Revolt · Accepted Answer

B: capillaries

Question 5

Which structure is also called the windpipe?

Revolt · Accepted Answer

D: the trachea

Question 6

Which component of blood allows oxygen from the air to move from the lungs to cells of the body?

Revolt · Accepted Answer

B: red blood cells

Question 7

Which statement explains blood pressure?

Revolt · Accepted Answer

B: Blood pressure is highest in the arteries near the heart.

Question 8

Which statements describe the movement of blood through the heart? Choose two correct answers.

Revolt · Accepted Answer

D: Atria push blood into the ventricles.; E: Ventricles push blood out of the heart.

Pretest Answers

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