ATI RN
100 Questions on the Cardiovascular System PDF Questions
Question 1 of 5
Which of the following types of proteins is present at the lowest percentage of the blood component labeled I in the figure?
Correct Answer: C
Rationale: Fibrinogen (C) is ~7% of plasma proteins (assuming I is plasma), lowest among options. Albumin (B) is highest, globulins (A) mid-range, thrombin (D) is active, not stored.
Question 2 of 5
Thrombocytes are used for:
Correct Answer: A
Rationale: Thrombocytes (platelets, A) initiate clotting.
Question 3 of 5
Which is not an end product of the breakdown of hemoglobin?
Correct Answer: C
Rationale: Hemoglobin yields amino acids (A), bilirubin (B), and iron (D); oxygen (C) is released, not a product.
Question 4 of 5
Agranulocytes involved in immunity; produce antibodies
Correct Answer: C
Rationale: Lymphocytes (C), especially B cells, produce antibodies.
Question 5 of 5
Insoluble protein that forms fine threads in the blood needed to make a clot
Correct Answer: A
Rationale: Fibrin (A) forms the clot mesh.