Which of the following types of anemia is caused by a vitamin B12 deficiency?
A) aplastic anemia
B) hemolytic anemia
C) hypochromic anemia
D) pernicious anemia
D) pernicious anemia
Pernicious anemia is caused by a vitamin B12 deficiency. Aplastic anemia is
caused by a loss of functioning bone marrow. Hemolytic anemia is caused by an excessive loss
of red blood cells. Hypochromic anemia is caused by insufficient hemoglobin in the
erythrocytes.
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