ATI RN
Cardiovascular System Multiple Choice Questions Questions
Question 1 of 5
What percentage of blood plasma is water?
Correct Answer: B
Rationale: Plasma is ~91.5% water (B), with the rest being proteins, electrolytes, etc. Other options are incorrect per standard physiology.
Question 2 of 5
Reduced vitamin B12 absorption from the small intestine due to reduced intrinsic factor production in the stomach results in condition called
Correct Answer: D
Rationale: Pernicious anemia (D) results from B12 deficiency due to low intrinsic factor, causing large, immature RBCs.
Question 3 of 5
Many types of blood cells are produced in the:
Correct Answer: B
Rationale: Red bone marrow (B) is the primary site of hematopoiesis.
Question 4 of 5
This substance dissolves blood clots.
Correct Answer: C
Rationale: Plasmin (C) degrades fibrin in clots.
Question 5 of 5
A person with no antibodies in the blood plasma would have which blood type?
Correct Answer: C
Rationale: Type AB (C) has no anti-A/B antibodies.