ATI RN
Cardiovascular System Assessment Questions Questions
Question 1 of 5
Which of the following blood cells phagocytizes antigen-antibody complexes and are effective against parasitic worms?
Correct Answer: A
Rationale: Eosinophils (A) combat parasites and immune complexes. Monocytes (B) phagocytize broadly, lymphocytes (C) are immune, basophils (D) promote inflammation.
Question 2 of 5
Which of the following cell types has the main function of carrying oxygen?
Correct Answer: D
Rationale: Erythrocytes (D) carry oxygen via hemoglobin.
Question 3 of 5
Which of the following is an anticoagulant?
Correct Answer: D
Rationale: Heparin (D) inhibits clotting; others (A, B, C) promote it.
Question 4 of 5
Which of the following is not true of white blood cells?
Correct Answer: A
Rationale: WBCs are larger (B) and nucleated (C), but not brightly colored (A); RBCs are red due to hemoglobin.
Question 5 of 5
General term for the group of nucleated cells that lack hemoglobin; also called white blood cells
Correct Answer: B
Rationale: Leukocytes (B) are nucleated, hemoglobin-free WBCs.