Nursing Elites

1. A client with chronic kidney disease missed dialysis yesterday to attend a funeral. The client's wife calls the home health nurse and reports that her husband is lethargic and hard to arouse. Which instruction is most important for the nurse to provide?

• A. Apply the client's home oxygen.
• B. Check for a thrill and bruit at the client's dialysis access site.
• C. Ensure the client avoids salt intake for the rest of the day.
• D. Take the client to the emergency department (ED).

Correct answer: D

Rationale: In this scenario, the most crucial instruction for the nurse to provide is to take the client to the emergency department (ED). Missing dialysis can lead to severe complications in clients with chronic kidney disease, such as electrolyte imbalances and fluid overload. Lethargy and difficulty in arousing the client suggest a critical situation that requires immediate medical attention. Applying home oxygen, checking the dialysis access site, and ensuring salt intake avoidance, although important, are not as urgent as seeking emergency care to address the potential severe complications from missed dialysis.

2. Alteplase recombinant, or tissue plasminogen activator (t-PA), a thrombolytic enzyme, is administered during the first 6 hours after onset of myocardial infarction (MI) to:

• A. Control chest pain.
• B. Reduce coronary artery vasospasm.
• C. Control the arrhythmias associated with MI.
• D. Revascularize the blocked coronary artery.

Correct answer: D

Rationale: Alteplase recombinant, or t-PA, is a thrombolytic enzyme used to dissolve clots and revascularize the blocked coronary artery in patients experiencing a myocardial infarction (MI). Administering t-PA within the first 6 hours of MI onset is crucial to restore blood flow to the affected area and minimize cardiac tissue damage. Therefore, the correct answer is to revascularize the blocked coronary artery. Choices A, B, and C are incorrect because while controlling chest pain, reducing coronary artery vasospasm, and managing arrhythmias are important goals in managing MI, the primary purpose of administering t-PA within the first 6 hours is to restore blood flow by dissolving clots and revascularizing the blocked coronary artery.

3. A healthcare professional is reviewing the results of renal function testing in a client with renal calculi. Which finding indicates to the healthcare professional that the client’s blood urea nitrogen (BUN) level is within the normal range?

• A. 2 mg/dL
• B. 18 mg/dL
• C. 25 mg/dL
• D. 35 mg/dL

Correct answer: B

Rationale: The normal BUN ranges from 5 to 20 mg/dL. A BUN level of 18 mg/dL falls within this normal range. Values of 25 and 35 mg/dL are elevated, suggesting potential renal insufficiency. Choice A (2 mg/dL) is abnormally low and not indicative of a normal BUN level.

4. A client has lost a significant amount of blood due to complications during surgery. What parameter does the nurse recognize as the earliest indication of new decreases in fluid volume?

• A. Pulse rate
• B. Blood pressure
• C. Pulmonary artery systolic pressure
• D. Pulmonary artery end-diastolic pressure

Correct answer: A

Rationale: The earliest indication of new decreases in fluid volume is often recognized by an increase in pulse rate. Cardiac output is influenced by circulating blood volume, heart pumping action, and vascular tone. As fluid volume decreases, the body compensates by increasing the pulse rate. The formula for cardiac output is pulse rate multiplied by stroke volume. An elevated pulse rate helps maintain blood pressure with minor volume depletion. Pulmonary artery systolic pressure and pulmonary artery end-diastolic pressure, obtained through a pulmonary artery catheter, provide insights into pulmonary artery and left ventricle pressures at the end of diastole. These parameters are not the earliest indicators of new decreases in fluid volume compared to pulse rate.

5. Which of the following assessments is the most important for a patient receiving IV potassium?

• A. Respiratory rate
• B. Heart rate
• C. Blood pressure
• D. Oxygen saturation

Correct answer: C

Rationale: The most important assessment for a patient receiving IV potassium is monitoring blood pressure. IV potassium can cause significant changes in cardiac function, leading to adverse effects such as arrhythmias and cardiac arrest. While respiratory rate, heart rate, and oxygen saturation are important parameters to monitor in clinical practice, blood pressure takes precedence in patients receiving IV potassium due to its direct impact on cardiovascular function. Changes in blood pressure can be an early indicator of potassium-induced cardiac complications, making it crucial to monitor closely during administration.

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