While Caring for an Older Adult Patient Hospitalized with Dehydration

While caring for an older adult patient hospitalized with dehydration and moderate protein-calorie malnutrition,the nurse identifies a nursing diagnosis of risk for infection based on what knowledge?

A) Lymphocyte activity and phagocytosis are decreased.
B) Anemia of malnutrition contributes to susceptibility to infection.
C) Weakness of muscles leads to impaired ability to clear the lungs.
D) Wound healing is delayed if protein is not available for tissue building.