ATI RN
NCLEX Practice Questions Cardiovascular System Questions
Question 1 of 5
Ferritin is a protein used to
Correct Answer: B
Rationale: Ferritin (B) stores iron in the liver and other tissues. Transferrin (A) transports iron, oxidation (C) and synthesis (D) are incorrect.
Question 2 of 5
If type A blood is infused into a patient with type O blood, which of the following adverse reactions would you expect to observe in the patient?
Correct Answer: D
Rationale: Type O has anti-A/B antibodies, causing agglutination (A), hemolysis (B), and kidney damage (C) with type A blood (D).
Question 3 of 5
Which of the following types of white blood cells is thought to play a role in the prevention of clotting?
Correct Answer: C
Rationale: Basophils (C) release heparin, an anticoagulant.
Question 4 of 5
The function of blood is to:
Correct Answer: D
Rationale: Blood performs all these functions (D): nutrient transport, waste removal, and thermoregulation.
Question 5 of 5
Granulocytes that phagocytize microorganisms for cellular defense; most numerous leukocyte
Correct Answer: A
Rationale: Neutrophils (A) are most numerous (60-70%) and phagocytize bacteria.