Nursing Elites

1. A healthcare professional is reviewing the laboratory results of a client taking Warfarin for atrial fibrillation. Which of the following findings should the professional report to the provider immediately?

• A. INR of 4.0
• B. Potassium level of 4.5 mEq/L
• C. Creatinine level of 1.0 mg/dL
• D. BUN of 18 mg/dL

Correct answer: A

Rationale: An INR of 4.0 indicates that the client's blood is clotting too slowly, increasing the risk of bleeding. This level is above the therapeutic range for a client on Warfarin therapy. Therefore, the healthcare professional should notify the provider immediately to prevent potential bleeding complications. The other laboratory values are within normal limits and do not pose an immediate risk to the client's health while on Warfarin therapy.

2. When educating a client starting a new prescription for metoprolol, which instruction should the nurse include?

• A. Check your pulse before taking the medication.
• B. Take the medication with food to increase absorption.
• C. Avoid sudden changes in position.
• D. Monitor your blood pressure regularly.

Correct answer: C

Rationale: The correct instruction for a client starting metoprolol is to avoid sudden changes in position. Metoprolol can cause dizziness due to its blood pressure-lowering effects, increasing the risk of falls and injury. Instructing the client to change positions slowly helps prevent orthostatic hypotension and related adverse events. Checking the pulse before taking the medication (Choice A) is not typically necessary for metoprolol. Taking the medication with food (Choice B) is not required for absorption and can be taken with or without food. Monitoring blood pressure regularly (Choice D) is essential for clients taking metoprolol, but avoiding sudden changes in position is more critical to prevent dizziness and falls.

3. A client with peptic ulcer disease is prescribed omeprazole. Which finding should indicate to the nurse that the medication is effective?

• A. Relief of headache
• B. Relief of nausea
• C. Relief of abdominal pain
• D. Relief of heartburn

Correct answer: C

Rationale: Relief of abdominal pain is a key indicator of omeprazole effectively treating peptic ulcer disease. Omeprazole works by reducing stomach acid production, which helps alleviate abdominal pain associated with peptic ulcers. While relief of other symptoms like headache, nausea, and heartburn may also occur, the primary therapeutic goal of omeprazole in peptic ulcer disease is to reduce abdominal pain caused by gastric irritation. Therefore, the relief of abdominal pain is the most significant finding to indicate the effectiveness of omeprazole in this context. Choices A, B, and D may improve as a result of decreased stomach acid production, but they are not as specific or central to the therapeutic goal of treating peptic ulcer disease as the relief of abdominal pain.

4. A healthcare professional is preparing to administer vancomycin 1 g by intermittent IV bolus. Available is vancomycin 1 g in 100 mL of dextrose 5% in water (D5W) to infuse over 45 min. The drop factor of the manual IV tubing is 10 gtt/mL. How many gtt/min should the healthcare professional adjust the manual IV infusion to deliver?

• A. 22 gtt/min
• B. 24 gtt/min
• C. 20 gtt/min
• D. 18 gtt/min

Correct answer: A

Rationale: To calculate the flow rate, use the formula: (Volume in mL x Drop factor) / Time in minutes = Flow rate in gtt/min. In this case, (100 mL x 10 gtt/mL) / 45 min = 22 gtt/min. Thus, the healthcare professional should adjust the manual IV infusion to deliver 22 gtt/min. Choice B, 24 gtt/min, is incorrect because it miscalculates the flow rate. Choices C and D, 20 gtt/min and 18 gtt/min, are also incorrect as they do not accurately calculate the flow rate based on the given information.

5. When administering medications to a 4-month-old infant, which of the following pharmacokinetic principles should be considered? (Select all that apply.)

• A. Infants have a more rapid gastric emptying time.
• B. Infants have immature liver function.
• C. Infants' blood-brain barrier is poorly developed.
• D. Infants have an increased ability to absorb topical medications.

Correct answer: B

Rationale: When administering medications to a 4-month-old infant, the pharmacokinetic principle to consider is that infants have immature liver function until 1 year of age. This requires medications metabolized by the liver to be administered in smaller dosages. While infants do have a more rapid gastric emptying time, immature liver function is a more critical pharmacokinetic consideration in this context. Additionally, although infants have a poorly developed blood-brain barrier, this relates more to pharmacodynamic effects rather than pharmacokinetic principles. The statement about infants having an increased ability to absorb topical medications is not directly related to pharmacokinetic principles, making choice B the correct answer.

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