Nursing Elites

1. A patient with atrial fibrillation is prescribed warfarin. Which laboratory test should the nurse monitor to assess the effectiveness of the medication?

• A. Complete blood count (CBC)
• B. Prothrombin time (PT)/INR
• C. Partial thromboplastin time (PTT)
• D. Serum potassium level

Correct answer: B

Rationale: The correct answer is B: Prothrombin time (PT)/INR. Warfarin affects the clotting ability of the blood by inhibiting vitamin K-dependent clotting factors. Monitoring the prothrombin time (PT) and international normalized ratio (INR) is crucial to assess the effectiveness and safety of warfarin therapy. These tests help determine if the patient is within the desired anticoagulation range to prevent either clotting issues or excessive bleeding.

2. In a patient with chronic kidney disease (CKD) receiving erythropoietin therapy, what laboratory result should the nurse monitor to evaluate the effectiveness of this therapy?

• A. Serum creatinine
• B. White blood cell count
• C. Hemoglobin level
• D. Serum potassium

Correct answer: C

Rationale: The correct answer is C: Hemoglobin level. Erythropoietin therapy is used to stimulate red blood cell production in patients with chronic kidney disease who often develop anemia due to reduced erythropoietin production by the kidneys. Monitoring the hemoglobin level is essential to evaluate the effectiveness of erythropoietin therapy as an increase in hemoglobin indicates improved red blood cell production and better management of anemia in these patients. Serum creatinine, white blood cell count, and serum potassium levels are important parameters to monitor in CKD patients but are not specific indicators of the effectiveness of erythropoietin therapy for managing anemia.

3. When assessing a client with suspected meningitis, which finding is indicative of meningeal irritation?

• A. Brudzinski's sign
• B. Positive Babinski reflex
• C. Kernig's sign
• D. Both A and C

Correct answer: D

Rationale: Both Brudzinski's sign and Kernig's sign are classic signs of meningeal irritation, commonly associated with meningitis. Brudzinski's sign is positive when flexing the neck causes involuntary flexion of the hips and knees due to irritation of the meninges. Kernig's sign is positive when there is pain and resistance with knee extension after hip flexion, indicating meningeal irritation or inflammation. The Babinski reflex, mentioned in choice B, is a test used to assess upper motor neuron damage and is not specific to meningitis. Therefore, choices A and C are the correct options as they are indicative of meningeal irritation in a suspected case of meningitis.

4. A patient with asthma is prescribed a corticosteroid inhaler. What is the most important instruction to give to the patient?

• A. Use the inhaler only during asthma attacks.
• B. Rinse the mouth after using the inhaler.
• C. Take a double dose if symptoms worsen.
• D. Avoid using a spacer with the inhaler.

Correct answer: B

Rationale: The most important instruction to give to a patient using a corticosteroid inhaler is to rinse the mouth after each use. This is crucial to prevent the development of oral thrush, a common side effect of corticosteroid inhalers. Failure to rinse the mouth can lead to the overgrowth of yeast in the mouth, causing oral thrush, which can be uncomfortable and require additional treatment. Therefore, reminding patients to rinse their mouth after using the inhaler is essential in preventing this potential complication. Choices A, C, and D are incorrect. Using the inhaler only during asthma attacks may lead to uncontrolled asthma symptoms. Taking a double dose without healthcare provider instruction can result in overdose or side effects. Avoiding a spacer with the inhaler can reduce the effectiveness of delivering the medication to the lungs.

5. The healthcare provider is planning care for a non-potty-trained child with nephrotic syndrome. Which intervention provides the best means of determining fluid retention?

• A. Weigh the child daily.
• B. Observe the lower extremities for pitting edema.
• C. Measure the child's abdominal girth weekly.
• D. Weigh the child's wet diapers.

Correct answer: A

Rationale: Daily weighing is the most accurate method to monitor fluid retention in a child with nephrotic syndrome. Changes in weight can indicate fluid retention or loss, which is crucial in managing nephrotic syndrome. Observing for pitting edema and measuring abdominal girth are also important assessments, but daily weighing provides more immediate and precise information about fluid status.

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