Which type of medication would be used to dilate the pupils before an eye examination?
Beta-adrenergic agent
Adrenergic agent
Osmotics
Corticosteroid
The Correct Answer is B
a) Beta-adrenergic agent: These medications are used to reduce intraocular pressure in glaucoma, not for pupil dilation.
b) Adrenergic agent: Adrenergic agents, such as phenylephrine, are used to dilate the pupils (mydriasis) for eye examinations.
c) Osmotics: Osmotic agents, like mannitol, are used to reduce intraocular pressure in conditions like glaucoma, but they do not dilate the pupils.
d) Corticosteroid: Corticosteroids are used to reduce inflammation in the eye but do not dilate the pupils.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
a) Leaving the bed in the highest position: This could create a fall risk for the visually impaired person, so it is not an appropriate intervention.
b) Leaving the radio on all the time to help the patient know the time of day: While this may provide some information, it is not the most effective approach for supporting a visually impaired client.
c) Announcing your presence when you enter and leave the room: This is an essential intervention to orient a visually impaired person and help them understand the environment.
d) Keeping the door closed: This could pose a safety risk by limiting the client’s ability to orient to the surroundings. It is generally better to keep doors open for better access and awareness.
Correct Answer is B
Explanation
a) Headache: While headaches can occur with eye strain or other eye conditions, they are not a hallmark symptom of open-angle glaucoma.
b) Loss of peripheral vision: Open-angle glaucoma is characterized by gradual loss of peripheral vision, often referred to as "tunnel vision," due to increased intraocular pressure affecting the optic nerve.
c) Discomfort in the eyes: Open-angle glaucoma typically has no early symptoms, and discomfort is not usually a prominent feature unless the disease progresses.
d) Halos around lights: Halos around lights are more commonly associated with acute angle-closure glaucoma, where there is a sudden rise in intraocular pressure, not open-angle glaucoma.
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