Nursing Elites

1. 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.

2. Why is lactated Ringer’s solution given to a patient experiencing vomiting and diarrhea?

• A. To increase interstitial and intracellular hydration
• B. To maintain plasma volume over time
• C. To pull water from the interstitial space into the extracellular fluid
• D. To replace water and electrolytes

Correct answer: D

Rationale: Lactated Ringer’s solution is an isotonic solution commonly used to replace water and electrolytes lost due to conditions like vomiting and diarrhea. It helps to restore fluid balance by replacing the lost volume and electrolytes. Option A is incorrect because hypotonic fluids, not lactated Ringer’s solution, increase interstitial and intracellular hydration. Option B is incorrect as colloidal solutions, not lactated Ringer’s solution, are used to maintain plasma volume over time. Option C is incorrect as hypertonic solutions, not lactated Ringer’s solution, pull water from the interstitial space into the extracellular fluid.

3. A client is being discharged after lithotripsy for a urinary calculus. Which statements should the nurse include in the discharge teaching? (Select all that apply.)

• A. Finish the prescribed antibiotic even if you are feeling better.
• B. Drink at least 3 liters of fluid each day.
• C. The bruising on your back may take several weeks to resolve.
• D. All of the above

Correct answer: D

Rationale: After lithotripsy for a urinary calculus, it is important for the client to complete the prescribed antibiotic course to prevent urinary tract infections. Drinking at least 3 liters of fluid daily helps dilute stone-forming crystals, prevent dehydration, and promote urine flow. Bruising on the back may occur after the procedure and can take several weeks to resolve. Additionally, the client may experience blood in the urine for several days post-procedure. Reporting any pain, fever, chills, or urination difficulties to the healthcare provider is essential, as these symptoms could indicate infection or stone formation. Choice D is correct as all the statements are appropriate for the client's discharge teaching. Choices A, B, and C are individually correct based on the rationale provided, making D the correct answer.

4. The healthcare provider assesses a client with cirrhosis and finds 4+ pitting edema of the feet and legs, and massive ascites. Which mechanism contributes to edema and ascites in clients with cirrhosis?

• A. Hyperaldosteronism causing increased sodium transport ion in renal tubules
• B. Decreased portacaval pressure with greater collateral circulation
• C. Decreased renin-angiotensin response related to increased renal blood flow
• D. Hypoalbuminemia that results in decreased colloidal oncotic pressure

Correct answer: D

Rationale: In clients with cirrhosis, hypoalbuminemia leads to decreased colloidal oncotic pressure. This reduction in oncotic pressure contributes to the development of edema in the feet and legs (pitting edema) and ascites in the abdomen. Hyperaldosteronism (choice A) would lead to sodium retention but is not the primary mechanism behind edema and ascites in cirrhosis. Decreased portacaval pressure with greater collateral circulation (choice B) is not directly related to the pathophysiology of edema and ascites in cirrhosis. Decreased renin-angiotensin response related to increased renal blood flow (choice C) does not play a significant role in the development of edema and ascites in cirrhosis compared to the impact of hypoalbuminemia on colloidal oncotic pressure.

5. A client with chronic renal failure is being treated with sodium polystyrene sulfonate (Kayexalate). The nurse should monitor the client for which of the following?

• A. Hyponatremia.
• B. Hypokalemia.
• C. Hyperkalemia.
• D. Hypocalcemia.

Correct answer: C

Rationale: The correct answer is C: Hyperkalemia. Sodium polystyrene sulfonate (Kayexalate) is used to treat high potassium levels (hyperkalemia) by exchanging sodium ions for potassium ions in the large intestine, which is then eliminated through the feces. Therefore, the nurse should monitor the client for changes in potassium levels to ensure the effectiveness of the treatment. Choices A, B, and D are incorrect because sodium polystyrene sulfonate (Kayexalate) is not associated with causing hyponatremia, hypokalemia, or hypocalcemia.

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