Vitamin B12 is a cofactor used in the conversion of _______ to _______.
a. Hydroxocobalamin; thymidine
b. 5-methyltetrahydrofolate; tetrahydrofolate
c. Folate; methionine
d. Succinyl CoA; methylmalonic acid
Question 2
Which of the following is found in megaloblastic macrocytosis but not in nonmegaloblastic macrocytosis?
a. Decreased WBC count and vitamin B12 levels
b. Decreased hemoglobin and hematocrit
c. Normal-to-decreased reticulocyte count
d. Increased serum bilirubin