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The nurse is providing teaching on the miotic medication the client has been prescribed for glaucoma. The client asks the nurse about the purpose of the medication. Which response should the nurse provide to the client?

A.

"The medication causes the pupil to constrict and will lower the pressure in the eye."

B.

"The medication will help dilate the eye to prevent pressure from occurring."

C.

"The medication will relax the muscles of the eyes and prevent blurred vision."

D.

"The medication will help block the responses that are sent to the muscles in the eye."

Answer and Explanation

The Correct Answer is A

A. Miotic medications work by constricting the pupil, which opens the trabecular meshwork and facilitates the drainage of aqueous humor, thus lowering intraocular pressure in clients with glaucoma.  

 

B. Miotics do not dilate the pupil; they constrict it. Dilation would actually increase intraocular pressure, which is not therapeutic in glaucoma.  

 

C. While these medications do affect eye muscles, they do not specifically prevent blurred vision; their primary effect is on eye pressure.  

 

D. Miotics do not block nerve responses; they work by direct action on the eye muscles to promote fluid drainage and reduce pressure.


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Correct Answer is D

Explanation

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B. A CT scan may be part of the diagnostic process to locate the adrenal tumor, but the priority is to control blood pressure first due to the risk of severe hypertensive crisis.

C. Serum calcium levels are not directly related to pheochromocytoma and are not a priority action.

D. Monitoring blood pressure is critical, as pheochromocytoma causes episodes of severe hypertension, which can lead to life-threatening complications.

Correct Answer is C

Explanation

A. While ensuring proper alignment is important, it does not address the existing skin breakdown and irritation.

B. Applying zinc oxide cream may not be appropriate as it can trap moisture, potentially worsening the skin condition around pin sites.

C. Padding the areas of skin breakdown with foam dressing is an appropriate intervention as it can provide cushioning, reduce friction, and protect the skin from further injury.

D. Loosening the halo device could compromise the stabilization it provides and may not effectively address skin integrity issues.

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