Nursing Elites

1. A healthcare professional is verifying nasogastric tube placement by the pH of aspirated gastric fluid. Which of the following pH values provides a good indication of correct tube placement?

• A. 2
• B. 5
• C. 7
• D. 9

Correct answer: A

Rationale: The correct answer is A: '2'. Gastric contents with a pH between 0 and 4 provide a good indication of appropriate tube placement. A pH of 2 is within this range, indicating that the tube is correctly placed in the stomach. Choices B, C, and D are incorrect because a pH of 5, 7, or 9 does not fall within the expected acidic pH range of gastric fluid.

2. A nurse is caring for a client who has a prescription for vancomycin 1 g IV every 12 hours. The client is scheduled to have the morning dose at 0700. The nurse should schedule the trough level to be drawn at which of the following times?

• A. 2100
• B. 900
• C. 1300
• D. 1800

Correct answer: D

Rationale: The trough level of vancomycin should be drawn just before the next dose is administered, typically about 30 minutes before the scheduled dose. Since the morning dose is at 0700, the trough level should be drawn at 1800. This timing ensures an accurate measurement of the lowest concentration of the drug in the client's system before the next dose is given. Choice A (2100) is too close to the next dose, choice B (900) is too early, and choice C (1300) is also too far from the next dose.

3. A nurse is preparing to administer a dose of warfarin. Which of the following should the nurse do?

• A. Check INR levels
• B. Administer it with food
• C. Monitor blood glucose
• D. Assess liver function

Correct answer: A

Rationale: The correct answer is to check INR levels. Before administering warfarin, it is crucial to check the INR levels to ensure they are within the therapeutic range. This helps to prevent complications such as bleeding or clotting. Choice B, administering it with food, is incorrect as warfarin should typically be taken on an empty stomach. Choice C, monitoring blood glucose, is unrelated to the administration of warfarin. Choice D, assessing liver function, is important but not the immediate action required before administering warfarin.

4. A nurse is preparing to administer 1 unit of packed RBCs to a client. Which of the following findings should cause the nurse to delay the transfusion?

• A. Blood pressure 140/90 mm Hg
• B. Urine output of 40 mL/hr
• C. Temperature 38.2°C (100.8°F)
• D. Hemoglobin 8 g/dL

Correct answer: C

Rationale: A temperature of 38.2°C (100.8°F) suggests the possibility of an underlying infection or fever, which should be evaluated before proceeding with the transfusion to prevent complications. Elevated temperature can indicate an immune response to incompatible blood components, increasing the risk of a transfusion reaction. The other vital signs and lab results provided are within acceptable ranges for administering packed RBCs, making choices A, B, and D less likely to cause a delay in the transfusion.

5. A client is prescribed warfarin for anticoagulation. Which of the following laboratory values should the nurse monitor?

• A. PT and INR
• B. Blood glucose levels
• C. Complete blood count (CBC)
• D. Platelet count

Correct answer: A

Rationale: The correct answer is A: PT and INR. Warfarin is an anticoagulant that affects the clotting mechanism by inhibiting vitamin K-dependent clotting factors. The PT (Prothrombin Time) and INR (International Normalized Ratio) are specific laboratory values used to monitor the effectiveness and safety of warfarin therapy. These values help healthcare providers adjust the warfarin dosage to maintain the desired level of anticoagulation. Choices B, C, and D are incorrect because blood glucose levels, complete blood count (CBC), and platelet count are not directly monitored to assess the effects of warfarin therapy.

Similar Questions