The Nurse Cautions That Often Confused and Irritable Older Adults

The nurse cautions that often confused and irritable older adults are thought to have dementia when the real underlying problem is a blood-related:

A) deficiency of WBCs resulting in infection.
B) excess of WBCs resulting in joint pain.
C) deficiency in RBCs resulting in hypoxia.
D) massive RBC destruction resulting in hyperbilirubinemia.