A group of students is reviewing information about glucose-6-phosphate dehydrogenase (G6PD) deficiency. The students demonstrate understanding of the material what as the cause of the disorder?
A) X-linked recessive inheritance
B) Deficiency in clotting factors
C) An excess supply of iron
D) Autosomal recessive inheritance
Ans: A
G6PD deficiency is an X-linked recessive disorder that affects the functioning of the red blood cells. A deficiency in clotting factors is associated with disorders such as idiopathic thrombocytopenia purpura, DIC, or hemophilia. An excess supply of iron refers to hemosiderosis, a complication of thalassemia, an autosomal recessive disorder.
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