A nurse is planning care for a client who has a detached retina and is preoperative for a surgical repair. The nurse should prepare to administer which of the following medications?
Timolol
Pilocarpine
Latanoprost
Phenylephrine
The Correct Answer is D
Phenylephrine is an alpha-adrenergic agent. It binds onto adrenergic receptors producing a sympathetic effect that dilates the pupil. Dilation of the pupils allows for visualization of inner structures of the eye and easier access during retinal surgery.
A. Timolol is a beta-blocker eye drop used to reduce intraocular pressure in conditions like glaucoma.
B. Pilocarpine is a miotic agent (constricts the pupil) used to treat conditions like glaucoma.
C. Latanoprost is a prostaglandin analog used to lower intraocular pressure in glaucoma.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The nurse should identify the concerns that the client has regarding to the medications prescribed. This allows the nurse and the provider to demystify any incorrect information the client might have or address any other underlying issues.
A. Just documenting does not address the client’s issues and shows lack of empathy
C. Explaining is important but the reason for refusal could be something else
D. The nurse should not use any reason to try and force the client to take the medications
Correct Answer is B
Explanation
Amphotericin B causes renal injury and baseline renal function is an important predictor of risk of nephrotoxicity. A BUN of 55mg/mL indicates already compromised renal function and hence requires follow up due to risk of further damage.
A. Sodium level within the normal range (140 mEq/L) is a contraindication for initiating amphotericin B therapy.
C. Amphotericin B causes hypokalemia buy potassium level of 4.5 is within the normal range.
D. Glucose level within the normal range (120 mg/dL) is not a contraindication for initiating amphotericin B therapy.
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