ATI RN
Cardiovascular System Assessment Questions Questions
Question 1 of 5
Which of the following is NOT a true statement regarding blood?
Correct Answer: C
Rationale: Blood temperature is ~100.4°F (A) and pH is 7.35-7.45 (B), but it’s red due to erythrocytes/hemoglobin, not leukocytes (C). Volume is ~5L (D).
Question 2 of 5
Which of the following precursor cells give rise to granular leukocytes?
Correct Answer: D
Rationale: Myeloblasts (D) produce granular leukocytes (neutrophils, eosinophils, basophils). Others form RBCs (A), platelets (B), or agranulocytes (C).
Question 3 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 4 of 5
Which of the following is an anticoagulant?
Correct Answer: D
Rationale: Heparin (D) inhibits clotting; others (A, B, C) promote it.
Question 5 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.