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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
a) Encourage ambulation: This is not recommended during an active episode of labyrinthitis, as it may worsen dizziness and balance problems.
b) Monitor client's cardinal fields of vision: This is not a primary concern for labyrinthitis. The focus should be on managing dizziness and vertigo.
c) Ensure the room is brightly lit: This is incorrect. A brightly lit room can make dizziness and vertigo worse. A dimly lit, quiet environment is better for clients experiencing these symptoms.
d) Limit fluid intake. While hydration is generally important, excessive fluid intake can exacerbate dizziness and vertigo in clients with labyrinthitis. Therefore, fluid intake should be monitored and adjusted accordingly.
Correct Answer is C
Explanation
a) "Open-angle glaucoma is the kind that develops slowly." This statement is accurate, as open-angle glaucoma progresses gradually without noticeable symptoms, leading to irreversible damage over time.
b) "Closed-angle glaucoma is the one that suddenly develops." Closed-angle glaucoma is typically acute and presents suddenly with symptoms like severe eye pain, nausea, and vomiting.
c) "Glaucoma can be cured by taking eye drops for 2 weeks." Glaucoma is a chronic condition that cannot be cured by eye drops, and long-term management with medication or surgical intervention is required to control intraocular pressure.
d) "Glaucoma is an eye disorder that develops because the pressure inside your eyeball is too high." Glaucoma is primarily caused by increased intraocular pressure, which can damage the optic nerve.
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