ATI RN
Cardiovascular System Multiple Choice Questions Questions
Question 1 of 5
This substance dissolves blood clots.
Correct Answer: C
Rationale: Plasmin (C) degrades fibrin in clots.
Question 2 of 5
Has the A antigen and the Rh antigen and the B antibody
Correct Answer: A
Rationale: Type A+ (A) has A and Rh antigens, anti-B antibodies.
Question 3 of 5
Platelets develop from these large cells
Correct Answer: B
Rationale: Megakaryocytes (B) produce platelets.
Question 4 of 5
Which of the following does NOT contain a nucleus while in the peripheral blood?
Correct Answer: A
Rationale: Erythrocytes (A) are anucleate in circulation.
Question 5 of 5
An especially leaky type of capillary found in the liver and certain other tissues is called a
Correct Answer: C
Rationale: Sinusoid capillaries (C) in the liver are highly permeable with wide gaps, allowing large molecule exchange. Fenestrated (B) have pores, capillary beds (A) are networks, metarterioles (D) are precapillary.