ATI RN
Cardiovascular System Anatomy Questions and Answers Questions
Question 1 of 5
Which of the following blood cells release granules that intensify the inflammatory response and promote hypersensitivity (allergic) reactions?
Correct Answer: D
Rationale: Basophils (D) release histamine and heparin, enhancing inflammation and allergies. Eosinophils (A) target parasites, monocytes (B) phagocytize, lymphocytes (C) are immune.
Question 2 of 5
A normal adult red blood cell count ranges from:
Correct Answer: A
Rationale: Normal RBC count is 4.8-5.5 million/mm³ (A) in adults.
Question 3 of 5
In clot formation, prothrombin is converted to:
Correct Answer: C
Rationale: Prothrombin becomes thrombin (C), which converts fibrinogen to fibrin.
Question 4 of 5
Which is not a formed element of the blood?
Correct Answer: A
Rationale: Albumin (A) is a plasma protein, not a formed element (cells/fragments).
Question 5 of 5
General term for leukocytes without cytoplasmic granules
Correct Answer: B
Rationale: Agranulocytes (B) (lymphocytes, monocytes) lack granules.