A condition in which inadequate intake of vitamin

ATI RN

ATI RN Test Bank

A condition in which inadequate intake of vitamin B12 or folic acid causes production of large abnormal red blood cells is called

A. hemorrhagic anemia B. aplastic anemia C. megaloblastic anemia D. pernicious anemia

Correct Answer: C

Rationale: Megaloblastic anemia (C) results from B12/folate deficiency, producing large, defective RBCs.

A reduction in the number of circulating RBCs would cause:

A. polycythemia B. anemia C. toxemia D. leukemia

Correct Answer: B

Rationale: Anemia (B) is low RBCs/hemoglobin.

A person with an antigen on the red blood cell and a different antibody in the plasma would have which blood type?

A. Type A B. Type AB C. Type O D. Both A and B

Correct Answer: A

Rationale: Type A (A) has A antigen and anti-B antibody.

Has the B antigens and A antibodies

A. Type A B. Type B C. Type AB D. Type O

Correct Answer: B

Rationale: Type B (B) has B antigen, anti-A antibodies.

The nucleated stem cell from which red blood cells develop

A. Myeloblast B. Megakaryoblast C. Hemocytoblast D. Lymphoblast

Correct Answer: C

Rationale: Hemocytoblasts (C) are pluripotent stem cells for RBCs.

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