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 C
Explanation
A. Hydrochlorothiazide is a thiazide diuretic that can be used for hypertension and edema but is not specifically indicated for open-angle glaucoma.
B. Furosemide is a loop diuretic used primarily for fluid overload conditions and does not have a specific role in the treatment of open-angle glaucoma.
C. Acetazolamide is a carbonic anhydrase inhibitor that reduces aqueous humor production and is specifically used to lower intraocular pressure in clients with open-angle glaucoma.
D. Spironolactone is a potassium-sparing diuretic used mainly for conditions like heart failure and hypertension, and it is not indicated for the treatment of open-angle glaucoma.
Correct Answer is D
Explanation
A. Ciprofloxacin is an antibiotic used to treat bacterial infections and is not effective against parasitic infections such as pinworms.
B. Zidovudine is an antiretroviral medication used primarily for HIV treatment and does not target pinworms.
C. Ketoconazole is an antifungal medication that is not indicated for treating pinworm infections.
D. Mebendazole is an anthelmintic medication specifically used to treat pinworm infections by inhibiting the metabolism of the parasite, making it the appropriate choice for this client.