ATI RN
Cardiovascular System Questions and Answers Quizlet Questions
Question 1 of 5
Which of the following situations could result in maternal antibodies attacking fetal blood cells during a second pregnancy?
Correct Answer: B
Rationale: Rh-negative mom (B) can form anti-Rh antibodies after an Rh-positive first pregnancy, attacking an Rh-positive fetus in a second pregnancy.
Question 2 of 5
The blood cell with the shortest life span is the:
Correct Answer: C
Rationale: Neutrophils (C) live ~1-2 days, shortest among options.
Question 3 of 5
In a tube of centrifuged blood, the order of substances from top to bottom would be:
Correct Answer: C
Rationale: Centrifuged blood layers: plasma (top), buffy coat (WBCs/platelets), RBCs (bottom, C).
Question 4 of 5
What substance involved in the process of blood clot formation is not made by the liver?
Correct Answer: C
Rationale: Vitamin K (C) is from diet/microbes, not liver-made; others (A, B, D) are hepatic.
Question 5 of 5
Has the A antigen only and has the B antibody
Correct Answer: A
Rationale: Type A (A) has A antigen, anti-B antibody.