A nurse is caring for an older adult patient who has Alzheimer's disease. The patient is taking a cholinesterase inhibitor drug. Which side effects would concern the nurse?
a. Confusion and memory impairment
b. Dizziness and headache
c. Nausea, vomiting, and diarrhea
d. Slowed heart rate and lightheadedness
ANS: D
Cardiovascular effects of cholinesterase inhibitor drugs are uncommon but cause the most concern. Bradycardia and fainting can occur when cholinergic receptors in the heart are activated. Confusion and memory impairment are signs of the disease and are not side effects of the drug. Dizziness, headache, nausea, vomiting, and diarrhea are all expected adverse effects, and although uncomfortable, they do not present an increased risk to the patient.
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