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 A
Explanation
Lactulose is used to treat hepatic encephalopathy in clients with cirrhosis. It works by promoting the excretion of ammonia in the stool, thus reducing its absorption in the intestines and helping to manage hepatic encephalopathy. However, if lactulose is administered too quickly or in excessive amounts, it can cause gastrointestinal side effects such as vomiting.
Lactulose does not cause peripheral edema, headache, dry mouth
Correct Answer is A
Explanation
vitamin C and other fruit juices (except grape juice) enhance the absorption of oral iron supplements in the gastrointestinal tract. Therefore, the clients are encouraged to take the supplements along with such fruit juices.
B. Rinsing the mouth should be done after to prevent staining of teeth
C. Taking the supplement on an empty stomach promotes gastrointestinal irritation
D. Dairy products inhibit iron absorption and should therefore be avoided
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