ATI RN
Cardiovascular System Practice Questions Questions
Question 1 of 5
Which of the following plasma proteins plays a role in disease resistance?
Correct Answer: B
Rationale: Globulins (B), including antibodies, aid in disease resistance. Albumin (A) maintains osmotic pressure, fibrinogen (C) aids clotting, myoglobin (D) is in muscle.
Question 2 of 5
Destruction of red bone marrow due to radiation results in
Correct Answer: B
Rationale: Aplastic anemia (B) is marrow failure (e.g., from radiation), reducing all blood cells.
Question 3 of 5
In the formation of blood cells, the megakaryocyte ultimately forms:
Correct Answer: B
Rationale: Megakaryocytes (B) fragment into platelets.
Question 4 of 5
The element in hemoglobin that allows oxygen to be transported is:
Correct Answer: C
Rationale: Iron (C) in heme binds oxygen.
Question 5 of 5
A person with no antigens on the red blood cell would have which blood type?
Correct Answer: D
Rationale: Type O (D) lacks A/B antigens.