Nursing Elites

1. What lab value should a healthcare provider monitor for a patient on warfarin therapy?

• A. Potassium
• B. PT/INR
• C. Sodium
• D. Calcium

Correct answer: B

Rationale: The correct answer is B: PT/INR. When a patient is on warfarin therapy, healthcare providers monitor the PT/INR levels to evaluate the effectiveness of the treatment and assess the risk of bleeding. Monitoring potassium, sodium, or calcium levels is not directly related to warfarin therapy and would not provide the necessary information needed to manage the medication effectively.

2. A nurse is providing discharge teaching to a client who is postoperative following a mastectomy. Which of the following instructions should the nurse include?

• A. Avoid using deodorant until the incision heals.
• B. Perform arm exercises 24 hours after surgery.
• C. Wear tight-fitting clothing to support the incision.
• D. Perform arm exercises 2 days after surgery.

Correct answer: A

Rationale: The correct instruction for the nurse to include is to advise the client to avoid using deodorant until the incision heals. Using deodorant can lead to skin irritation, which should be prevented following a mastectomy. Choice B is incorrect because performing arm exercises should typically be delayed until recommended by the healthcare provider to prevent strain on the surgical site. Choice C is incorrect as tight-fitting clothing can increase discomfort and hinder proper healing. Choice D is also incorrect because initiating arm exercises should be based on the healthcare provider's guidance and not a specific timeframe.

3. A healthcare professional is reviewing the laboratory findings of a client who has diabetes mellitus. Which of the following findings indicates a need to revise the client's plan of care?

• A. Serum sodium 144 mEq/L.
• B. HbA1c 10%.
• C. Random serum glucose 190 mg/dL.
• D. Creatinine 1.2 mg/dL.

Correct answer: C

Rationale: Elevated random serum glucose levels of 190 mg/dL indicate hyperglycemia and poor blood sugar control, requiring a revised plan of care. HbA1c levels above 7% also indicate long-term poor control of blood sugar. Serum sodium of 144 mEq/L and creatinine of 1.2 mg/dL are within normal ranges and do not directly indicate a need for a plan of care revision.

4. A school nurse is teaching a parent about absence seizures. What information should be included?

• A. This type of seizure lasts 30 to 60 seconds.
• B. This type of seizure can be mistaken for daydreaming.
• C. The child usually has an aura prior to onset.
• D. This type of seizure has a gradual onset.

Correct answer: B

Rationale: The correct answer is B because absence seizures are brief and can be mistaken for daydreaming. Choice A is incorrect because absence seizures typically last a few seconds, not 30 to 60 seconds. Choice C is incorrect as absence seizures usually occur suddenly without an aura. Choice D is incorrect because absence seizures have a sudden onset, not a gradual one.

5. A nurse is caring for a client who is receiving warfarin therapy. Which of the following laboratory results indicates the need for an increase in the dose of warfarin?

• A. PT 28 seconds
• B. INR 1.2
• C. aPTT 40 seconds
• D. Fibrinogen 350 mg/dL

Correct answer: B

Rationale: An INR of 1.2 is below the therapeutic range for a client on warfarin, indicating inadequate anticoagulation. Therefore, the client would require an increase in the dose of warfarin to achieve the desired therapeutic effect. Choices A, C, and D are not indicative of the need for a dose increase in warfarin therapy. PT of 28 seconds is within the therapeutic range, aPTT of 40 seconds is also within the normal range, and fibrinogen level of 350 mg/dL does not provide information about the anticoagulant effect of warfarin.

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