A nurse is caring for a client who is taking triamterene.
For which of the following laboratory values should the nurse withhold the medication?
Sodium 142 mEq/L.
BUN 16 mg/dL.
Potassium 5.3 mEq/L.
Albumin 4 g/dL.
The Correct Answer is C
This is a high level of potassium in the blood (the normal range is 3.5 to 5 mEq/L) and can be dangerous for the heart.
Triamterene is a potassium-sparing diuretic that prevents the body from losing too much potassium in the urine. It can cause hyperkalemia (high potassium), especially in people with kidney disease, diabetes, or severe illness. The nurse should check the potassium level before giving triamterene and hold the medication if it is above 5 mEq/L.
The other choices are incorrect because:
Choice A: Sodium 142 mEq/L.
This is a normal level of sodium in the blood (the normal range is 135 to 145 mEq/L) and does not require withholding triamterene. Triamterene can cause hyponatremia (low sodium) by increasing the excretion of sodium in the urine. The nurse should monitor the sodium level during triamterene therapy and report any signs of low sodium such as confusion, weakness, or seizures.
Choice B: BUN 16 mg/dL.
This is a normal level of blood urea nitrogen (BUN) in the blood (normal range is 7 to 20 mg/dL) and does not require withholding
triamterene. BUN is a measure of kidney function and can be elevated in kidney disease or dehydration. Triamterene can cause an increase in BUN by reducing the blood flow to the kidneys or by interacting with other medications that affect the kidneys. The nurse should monitor the BUN level during triamterene therapy and report any signs of kidney impairment such as decreased urine output, swelling, or nausea. •
Choice D: Albumin 4 g/dL.
This is a normal level of albumin in the blood (the normal range is 3.4 to 5.4 g/dL) and does not require withholding triamterene. Albumin is a protein that helps maintain fluid balance and transport substances in the blood. Triamterene does not affect albumin levels directly, but it can cause fluid loss or retention that may alter albumin levels indirectly. The nurse should monitor the albumin level during triamterene therapy and report any signs of fluid imbalance such as weight changes, edema, or shortness of breath.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Epinephrine (adrenaline) is the first-line treatment for anaphylaxis, a severe and potentially life-threatening allergic reaction. Epinephrine works by reducing the body’s allergic response and improving the breathing and circulation of the client. Epinephrine should be given as soon as possible after the onset of anaphylaxis symptoms, using an auto-injector device if available.
Choice B is wrong because replacing the infusion with 0.9% sodium chloride (normal saline) is not enough to treat anaphylaxis. Normal saline can help maintain the blood pressure and hydration of the client, but it does not reverse the allergic reaction or improve the breathing of the client. Normal saline can be given after epinephrine, but not before or instead of it.
Choice C is wrong because giving diphenhydramine IM is not enough to treat anaphylaxis. Diphenhydramine is an antihistamine that can help relieve some of the symptoms of anaphylaxis, such as itching and hives, but it works too slowly and does not address the more serious effects of anaphylaxis on the breathing and circulation of the client. Diphenhydramine can be given after epinephrine, but not before or instead of it.
Choice D is wrong because elevating the client's legs and feet is not enough to treat anaphylaxis. Elevating the legs and feet can help increase the blood flow to the vital organs, but it does not reverse the allergic reaction or improve the breathing of the client. Elevating the legs and feet can be done after epinephrine, but not before or instead of it.
Correct Answer is D
Explanation
This is because swelling of the feet can be a sign of lithium toxicity, which is a serious condition that can occur when the level of lithium in the blood is too high. Lithium toxicity can cause confusion, irregular heartbeat, muscle weakness, and kidney problems. Therefore, the client should report any signs of lithium toxicity to their provider as soon as possible.
Choice A is wrong because limiting foods containing tyramine is not necessary for clients taking lithium. Tyramine is a substance found in some foods that can interact with certain antidepressants called monoamine oxidase inhibitors (MAOIs), but not with lithium.
Choice B is wrong because decreasing the daily sodium intake can actually increase the risk of lithium toxicity.
Sodium helps to regulate the amount of lithium in the body, so if the sodium level is low, the lithium level can rise too high.
The client should maintain a normal sodium intake and drink enough fluids while taking lithium.
Choice C is wrong because taking this medication 2 hours before a meal is not required for clients taking lithium.
Lithium can be taken with or without food, but it should be taken at the same time each day to keep a steady level in the blood.
Taking lithium 2 hours before a meal may cause stomach upset, which is a common side effect of lithium.
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