A nurse is caring for a client who has heart failure and a new prescription for furosemide. Which of the following laboratory values should the nurse review before administering furosemide?
Potassium
Phosphate
Carbon dioxide
Bicarbonate
The Correct Answer is A
Furosemide is a loop diuretic that blocks water reabsorption in the loop of Henle promoting diuresis. It also causes potassium loss in urine leading to hypokalemia. Checking potassium levels before administration of furosemide prevents worsening already existing hypokalemia.
B, C, D- furosemide does not affect the blood levels of phosphate, Carbon dioxide and bicarbonate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Chewing sugarless gum or sucking on hard sour candies can help stimulate saliva production and alleviate the symptoms of dry mouth.
B. Dry mouth is a common side effect of diphenhydramine and can often be managed with simple interventions like chewing sugarless gum. Notifying the provider is not necessary
C. Placing a humidifier at the bedside may help with dry mouth indirectly by increasing moisture in the air, but it's not a direct solution for dry mouth caused by diphenhydramine.
D. Administering the medication with food is not specifically related to managing dry mouth caused by diphenhydramine.
Correct Answer is D
Explanation
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.
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