The nurse reviews the medications of a patient taking folic acid. The nurse notes that the patient is concurrently taking vitamin B12. This concerns the nurse because of the fact that folic acid may
a. cause fetal malformation.
b. worsen megaloblastic anemia.
c. mask the signs of vitamin B12 deficiency.
d. negatively affect potassium levels.
ANS: C
Folic acid can reverse the hematologic effects of vitamin B12 deficiency, but it can obscure the manifestation of this type of deficiency.
Folic acid does not cause fetal malformation; in fact, it can help prevent neural tube defects.
Folic acid does not worsen megaloblastic anemia.
Folic acid does not affect potassium levels.
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