Blood volume per kilogram of body weight varies in

ATI RN

ATI RN Test Bank

Blood volume per kilogram of body weight varies inversely with:

A. skeletal volume B. body fat C. muscle mass D. height

Correct Answer: B

Rationale: Blood volume/kg decreases with higher body fat (B), as fat is less vascularized.

Which is not an end product of the breakdown of hemoglobin?

A. Amino acids B. Bilirubin C. Free oxygen D. Iron

Correct Answer: C

Rationale: Hemoglobin yields amino acids (A), bilirubin (B), and iron (D); oxygen (C) is released, not a product.

Agranulocytes involved in immunity; produce antibodies

A. Neutrophils B. Eosinophils C. Lymphocytes D. Basophils

Correct Answer: C

Rationale: Lymphocytes (C), especially B cells, produce antibodies.

Insoluble protein that forms fine threads in the blood needed to make a clot

A. Fibrin B. Fibrinogen C. Thrombin D. Prothrombin

Correct Answer: A

Rationale: Fibrin (A) forms the clot mesh.

Which of the following is not an example of hemostasis?

A. platelet plug formation B. maintenance of the normal body temperature C. applying a tourniquet D. vascular spasm

Correct Answer: B

Rationale: Temperature regulation (B) is unrelated to hemostasis (stopping blood loss).

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