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 D
Explanation
Gentamicin is a nephrotoxic and ototoxic antibiotic. It I important to have its serum levels should be closely monitored to ensure they are within the therapeutic window
A- Gentamicin is an intravenous formulation and its administration is not related to meals
C- Limiting fluid intake increases the risk of renal injury
D- Agitation is not a common side effect with gentamicin use
Correct Answer is A
Explanation
Following traumatic brain injury, the cerebral tissues undergoes an inflammatory process in response to the trauma leading to brain edema. This increases intracranial pressure which presents with features such as seizures, headaches and other focal neurological deficits. Mannitol is an osmotic diuretic that works by drawing water out of brain tissue and into the bloodstream, thereby reducing cerebral edema and intracranial pressure.
B, C, D have no role in raised intracranial pressure
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.