ATI RN
Cardiovascular System Questions and Answers Quizlet Questions
Question 1 of 5
The process by which the formed elements of the blood develop is called
Correct Answer: B
Rationale: Hemopoiesis (B) is blood cell formation in bone marrow. Hematospermia (A) is blood in semen, thrombocytosis (C) is excess platelets, hemostasis (D) is clotting.
Question 2 of 5
Anemia is defined as
Correct Answer: D
Rationale: Anemia (D) is reduced oxygen capacity due to low RBCs/hemoglobin.
Question 3 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 4 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 5 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.