A nursing student asks the nurse to differentiate the pathology of Alzheimer's disease from that of Parkinson's disease.
Which description is correct?

Choice A rationale

Anticholinergic drugs do not cause pupil restriction; they relax the muscles around the eye, leading to dilation.

Choice B rationale

Decreased lacrimal secretions are a secondary effect of anticholinergics and not their primary purpose in ophthalmology.

Choice C rationale

Anticholinergics cause pupil dilation (mydriasis) by relaxing the muscles that constrict the pupil, allowing for a better examination of the eye's interior.

Choice D rationale

Sedation is not a primary effect of anticholinergics used in ophthalmology.

Choice A rationale

Renal function tests are not specifically required for propranolol administration unless there are existing renal concerns. Propranolol is primarily metabolized by the liver, not the kidneys.

Choice B rationale

While it is important to consider drug interactions, the primary concern with propranolol in this patient is the history of asthma and diabetes, not herbal medication interactions.

Choice C rationale

Propranolol, a non-selective beta-blocker, can exacerbate asthma symptoms and mask hypoglycemia in diabetic patients. Consulting with the doctor to consider a different antihypertensive medication that does not have these risks is a prudent approach.

Choice D rationale

While monitoring serum glucose levels is important, administering propranolol in a patient with a history of asthma and diabetes poses significant risks. An alternative medication should be considered. .