ATI RN
Cardiovascular System Assessment Questions Questions
Question 1 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 2 of 5
The glycoprotein hormone that stimulates the formation of red blood cells
Correct Answer: B
Rationale: Erythropoietin (B) from kidneys boosts RBC production.
Question 3 of 5
Most of the plasma proteins are synthesized in the
Correct Answer: A
Rationale: The liver (A) produces most plasma proteins (albumin, fibrinogen, globulins).
Question 4 of 5
Closer to the heart, arteries would be expected to have a higher percentage of
Correct Answer: C
Rationale: Elastic arteries (e.g., aorta) near the heart have more elastic fibers (C) for stretch/recoil during systole. Endothelium (A) is a thin layer, smooth muscle (B) dominates in muscular arteries, collagen (D) supports.
Question 5 of 5
Arteries serving the stomach, pancreas, and liver all branch from the
Correct Answer: C
Rationale: The celiac trunk (C) supplies the stomach, pancreas, and liver. Mesenteric arteries (A, B) serve intestines, splenic (D) is a branch of celiac.