If an older adult develops delusions and hallucinations,it is important to check his or her blood levels of
A) vitamin B₁₂.
B) intrinsic factor.
C) folic acid.
D) thiamin.

Question

Quizplus · Accepted Answer

Delusions and hallucinations may be signs of vitamin B₁₂ deficiency,even before development of anemia.Intrinsic factor is produced by the stomach and is vital for absorption of vitamin B₁₂;it is not found in the blood.Loss of intrinsic factor in older adults contributes to vitamin B₁₂ deficiency.Folic acid deficiency may cause irritability,absent-mindedness,depression,and anxiety,and thiamin deficiency causes memory loss and confusion,but neither of these is associated with delusions and hallucinations.

If an Older Adult Develops Delusions and Hallucinations,it Is Important