ATI RN
Cardiovascular System Questions and Answers Questions
Question 1 of 5
Has the B antigens and A antibodies
Correct Answer: B
Rationale: Type B (B) has B antigen, anti-A antibodies.
Question 2 of 5
Which does NOT help to control hemostasis?
Correct Answer: D
Rationale: Prothrombinase production (D) drives clotting, not control.
Question 3 of 5
A healthy elastic artery
Correct Answer: A
Rationale: Elastic arteries (e.g., aorta) are compliant (A), stretching to accommodate systolic pressure. They don’t reduce flow (B), aren’t resistance vessels (C, muscular arteries), and have thick, regular walls (not D).
Question 4 of 5
Which of the following statements is true?
Correct Answer: B
Rationale: One umbilical vein (B) carries oxygenated blood from placenta to fetus; two arteries carry deoxygenated blood to placenta (not lungs, C).
Question 5 of 5
Most blood enters the ventricle during
Correct Answer: B
Rationale: Most ventricular filling (~70-80%) occurs passively during atrial diastole (B) when AV valves are open.