The Nurse Is Taking a Medication History on a Newly

The nurse is taking a medication history on a newly admitted patient. The patient reports taking folic acid and vitamin B₁₂. The nurse notifies the provider because of the concern that folic acid can:

A) cause fetal malformation.
B) mask the signs of vitamin B₁₂ deficiency.
C) negatively affect potassium levels.
D) worsen megaloblastic anemia.