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?
"The medication causes the pupil to constrict and will lower the pressure in the eye."
"The medication will help dilate the eye to prevent pressure from occurring."
"The medication will relax the muscles of the eyes and prevent blurred vision."
"The medication will help block the responses that are sent to the muscles in the eye."
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Turning the client onto their operative side could increase pressure on the eye and is not an appropriate first action.
B. Administering prescribed pain medication and antiemetic is essential to address the client's severe pain and nausea, which are priority concerns in the postoperative period.
C. While it may be necessary to notify the surgeon if symptoms persist, the immediate priority is to alleviate the client's discomfort.
D. Reassuring the client that these symptoms are normal is misleading; severe pain and nausea postoperatively should be addressed promptly.
Correct Answer is B
Explanation
B. Assessing pupillary size and reaction provides critical information on brainstem function and can indicate changes in ICP. Changes in pupil size and reaction can signify worsening cerebral function or brain herniation.
A. The Glasgow Coma Scale is useful for assessing consciousness levels but may not be as sensitive for changes in brainstem function in a patient already in an induced coma.
C. Blood pressure and heart rate are vital signs that can suggest increased ICP, but they are not as direct an indicator of cerebral function as pupil assessment.
D. The gag reflex is important but does not provide as direct information about cerebral function related to ICP as pupillary assessment does.
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