Nursing Elites

1. A client receiving warfarin (Coumadin) therapy should have which of the following laboratory results reviewed to evaluate the effectiveness of the therapy?

• A. Complete blood count (CBC).
• B. Prothrombin time (PT).
• C. International normalized ratio (INR).
• D. Partial thromboplastin time (PTT).

Correct answer: C

Rationale: The correct answer is C: International normalized ratio (INR). The INR is the most appropriate laboratory result to review when evaluating the effectiveness of warfarin (Coumadin) therapy. Warfarin is an anticoagulant medication, and the INR helps determine if the dosage is within a therapeutic range to prevent clotting or bleeding complications. Choice A, a Complete Blood Count (CBC), provides information about the cellular components of blood but does not directly assess the anticoagulant effects of warfarin. Choice B, Prothrombin time (PT), measures the time it takes for blood to clot but is not as specific for monitoring warfarin therapy as the INR. Choice D, Partial Thromboplastin Time (PTT), evaluates the intrinsic pathway of coagulation and is not the primary test used to monitor warfarin therapy.

2. A client has an elevated blood urea nitrogen (BUN)/creatinine ratio. Which action should the nurse take first?

• A. Assess the client’s dietary habits.
• B. Inquire about the client's use of nonsteroidal anti-inflammatory drugs (NSAIDs).
• C. Hold the client’s metformin (Glucophage).
• D. Contact the health care provider immediately.

Correct answer: A

Rationale: An elevated blood urea nitrogen (BUN)/creatinine ratio can indicate various conditions such as dehydration, urinary obstruction, catabolism, or a high-protein diet. The initial action the nurse should take is to assess the client’s dietary habits to determine if the elevated ratio is related to diet. Inquiring about the use of NSAIDs is important as they can impact kidney function, but dietary causes should be ruled out first. Holding metformin or contacting the health care provider without assessing the dietary habits would be premature actions as they may not address the underlying cause of the elevated BUN/creatinine ratio.

3. The healthcare provider is assessing a client with chronic renal failure who is receiving peritoneal dialysis. Which of the following findings would indicate a complication of the treatment?

• A. Clear dialysate outflow.
• B. Cloudy dialysate outflow.
• C. Decreased urine output.
• D. Increased blood pressure.

Correct answer: B

Rationale: Cloudy dialysate outflow is a sign of peritonitis, a serious complication of peritoneal dialysis that requires immediate medical attention. Peritonitis, an infection of the peritoneum, the lining of the abdominal cavity, can lead to severe complications if not treated promptly. Clear dialysate outflow is an expected finding in peritoneal dialysis, indicating proper functioning of the process. Decreased urine output is common in clients with renal failure due to impaired kidney function. Increased blood pressure may be present in renal failure but is not a direct complication of peritoneal dialysis.

4. A client recently diagnosed with chronic kidney disease (CKD) is receiving discharge instructions from a nurse. Which statements made by the client indicate a correct understanding of the teaching? (Select all that apply.)

• A. I need to ask for an antibiotic when scheduling a dental appointment.
• B. I’ll need to check my blood sugar often to prevent hypoglycemia.
• C. The dose of my pain medication may have to be adjusted.
• D. The need to watch for bleeding with anticoagulants.

Correct answer: A

Rationale: The correct statements indicating a proper understanding of the teaching include the need for antibiotics for dental work, the potential need to adjust pain medication doses, and the importance of monitoring blood sugar levels. The statement about watching for bleeding with anticoagulants is not directly related to CKD and discharge instructions for this condition. Therefore, option A is correct, as it addresses relevant concerns for a client with CKD, while the other options are either unrelated or not specifically mentioned in the scenario.

5. Which of the following lab results is most indicative of dehydration?

• A. Low sodium levels.
• B. Elevated creatinine levels.
• C. Low potassium levels.
• D. High blood glucose levels.

Correct answer: B

Rationale: Elevated creatinine levels are indicative of dehydration because when the body is dehydrated, the kidneys concentrate urine to preserve fluid, leading to higher levels of creatinine. Low sodium levels (Choice A) can be seen in conditions like hyponatremia but are not specific to dehydration. Low potassium levels (Choice C) are more commonly associated with conditions like hypokalemia. High blood glucose levels (Choice D) are typically seen in diabetes and are not specific indicators of dehydration.

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