Nursing Elites

1. The client with chronic renal failure is receiving hemodialysis. Which of the following laboratory values should the nurse monitor closely?

• A. Hemoglobin level.
• B. Blood urea nitrogen (BUN) level.
• C. Serum potassium level.
• D. Creatinine level.

Correct answer: C

Rationale: The serum potassium level should be monitored closely in clients undergoing hemodialysis due to the risk of hyperkalemia. Hemodialysis is used to remove waste products and excess electrolytes like potassium from the blood. Monitoring potassium levels is crucial because an imbalance can lead to serious cardiac complications, making it the priority value to monitor in this scenario. Monitoring hemoglobin levels (choice A) is important for anemia assessment in chronic renal failure but is not directly related to hemodialysis. Blood urea nitrogen (BUN) levels (choice B) and creatinine levels (choice D) are commonly monitored in renal function tests but are not the top priority for monitoring in a client undergoing hemodialysis.

2. A client with renal insufficiency and a low red blood cell count asks, 'Is my anemia related to the renal insufficiency?' How should the nurse respond?

• A. Red blood cells produce erythropoietin, which increases blood flow to the kidneys.
• B. Your anemia and renal insufficiency are related to inadequate vitamin D and a loss of bone density.
• C. Erythropoietin is usually released from the kidneys and stimulates red blood cell production in the bone marrow.
• D. Kidney insufficiency inhibits active transportation of red blood cells throughout the blood.

Correct answer: C

Rationale: The correct answer is C. Erythropoietin is produced in the kidney and is released in response to decreased oxygen tension in the renal blood supply. Erythropoietin stimulates red blood cell production in the bone marrow. Anemia in renal insufficiency is often due to decreased erythropoietin production. Anemia and renal insufficiency are not manifestations of vitamin D deficiency as stated in choice B. Choice A is incorrect as erythropoietin does not increase blood flow to the kidneys. Choice D is incorrect because kidney insufficiency does not inhibit active transportation of red blood cells throughout the blood; rather, it affects erythropoietin production and subsequent red blood cell formation.

3. In a 46-year-old female client admitted for acute renal failure secondary to diabetes and hypertension, which test is the best indicator of adequate glomerular filtration?

• A. Serum creatinine.
• B. Blood urea nitrogen (BUN).
• C. Sedimentation rate.
• D. Urine specific gravity.

Correct answer: A

Rationale: The correct answer is A: Serum creatinine. Creatinine is a product of muscle metabolism that is filtered by the glomerulus. Blood levels of creatinine are not affected by dietary or fluid intake, making it a reliable indicator of kidney function. An elevated creatinine level strongly suggests nephron loss, indicating decreased glomerular filtration rate. Choice B, Blood Urea Nitrogen (BUN), reflects the amount of urea nitrogen in the blood and can be influenced by factors other than kidney function, such as protein intake and liver health, making it less specific for evaluating glomerular filtration. Choice C, Sedimentation rate, is a measure of how quickly red blood cells settle in a test tube and is not a direct marker of kidney function. Choice D, Urine specific gravity, mainly reflects the kidney's ability to concentrate urine and is not a direct indicator of glomerular filtration rate. Therefore, Serum creatinine is the most appropriate test to assess glomerular filtration in this scenario.

4. A client with Herpes Zoster (shingles) on the thorax tells the nurse about having difficulty sleeping. What is the probable cause of this problem?

• A. Frequent cough
• B. Pain
• C. Nocturia
• D. Dyspnea

Correct answer: B

Rationale: The correct answer is B: Pain. Pain is a common and significant symptom of Herpes Zoster (shingles) that can result in difficulty sleeping. The pain associated with shingles can be intense and persistent, making it challenging for the client to find a comfortable position to sleep. Nocturia (choice C), which is excessive urination during the night, is not directly related to difficulty sleeping in this context. While both frequent cough (choice A) and dyspnea (choice D) can cause sleep disturbances, in a client with Herpes Zoster on the thorax, pain is the most probable cause of sleep difficulty.

5. Which instruction should be included in the discharge teaching plan for a client who underwent cataract extraction today?

• A. Use a metal eye shield on the operative eye during the day.
• B. Administer eye ointment before applying eye drops.
• C. Sexual activities may be resumed after returning home.
• D. Light housekeeping is safe to do, but avoid heavy lifting.

Correct answer: D

Rationale: The correct instruction to include in the discharge teaching plan for a client who underwent cataract extraction is to advise them that light housekeeping is safe to do, but they should avoid heavy lifting. Heavy lifting can strain the surgical site and potentially lead to complications. Choice A is incorrect as a metal eye shield is usually recommended during sleep, not during the day. Choice B is incorrect because eye ointment should typically be administered after applying eye drops to prevent dilution of the medication. Choice C is incorrect as sexual activities should usually be avoided for a specific period post-surgery as advised by the healthcare provider.

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