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 D
Explanation
a) "Tonometry will allow inspection of the optic disc for signs of degeneration." Tonometry measures intraocular pressure (IOP) but does not provide direct information about the optic disc.
b) "This test will diagnose the type of your glaucoma."Tonometry measures IOP, but additional tests, such as visual field testing and optic disc examination, are needed to diagnose the type of glaucoma.
c) "Tonometry is performed to evaluate peripheral vision."Tonometry measures intraocular pressure, not peripheral vision. Visual field testing is used to assess peripheral vision.
d) "This test will measure the intraocular pressure of the eye." Tonometry is used to measure intraocular pressure, which is a key factor in diagnosing and managing glaucoma.
Correct Answer is C
Explanation
a) Coughing without letting food escape through the tracheostomy: After supraglottic laryngectomy, the patient may have difficulty swallowing and may require specific techniques to prevent aspiration.
b) Taking care of the tracheostomy, because the patient will always have to have one: While a tracheostomy may be necessary initially, not all patients will need it permanently.
c) Teaching the patient to swallow without aspiration: The loss of the normal anatomy for swallowing after supraglottic laryngectomy puts the patient at risk for aspiration. Rehabilitation and learning proper swallowing techniques are major postoperative concerns.
d) Teaching the patient to use an assistive device to speak: This is also an important consideration, but the primary issue postoperatively is managing swallowing to avoid aspiration.
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