A nurse is caring for a client receiving cholinergic medications to assist in the treatment of myasthenia gravis. Which contraindication will the nurse assess for prior to administering a cholinergic medication?
Asthma
Hypertension
Alzheimer's
Diarrhea
The Correct Answer is A
A. Asthma is a contraindication for cholinergic medications because these drugs can cause bronchoconstriction and may exacerbate respiratory conditions. Careful assessment is necessary before administration to ensure safety.
B. Hypertension is not a direct contraindication for cholinergic medications; they may not significantly affect blood pressure in most cases.
C. Alzheimer's disease is not a contraindication for cholinergic medications; in fact, cholinergic agents may be used to improve cognitive function in some patients with dementia.
D. Diarrhea is not a contraindication for cholinergic medications but may indicate excessive cholinergic activity; it should be monitored, but it does not prevent administration.
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Correct Answer is A
Explanation
A. Nystatin is an antifungal medication used to treat oral candidiasis (thrush), which is consistent with the client's symptoms of soreness in the mouth and the presence of a white, milky plaque that does not rub off.
B. Amoxicillin is an antibiotic that treats bacterial infections but would not be effective against fungal infections like oral thrush.
C. Metronidazole is an antibiotic and antiprotozoal medication, which is not appropriate for treating oral candidiasis.
D. Acyclovir is an antiviral medication used to treat infections caused by certain viruses, such as herpes, and is not effective for fungal infections like thrush.
Correct Answer is B
Explanation
A. Daily weight monitoring is not specifically indicated for doxazosin, and significant weight loss is typically not a primary concern with this medication.
B. Doxazosin can cause first-dose hypotension, leading to dizziness; thus, the client should be advised to lie down after the initial dose to minimize this risk.
C. Increasing potassium intake is not necessary with doxazosin; there are no direct interactions that would warrant dietary changes regarding potassium.
D. Impaired taste is not a commonly reported side effect of doxazosin; this statement is misleading and not relevant to the medication's profile.