Nursing Elites

1. What is the pharmacological action of metformin?

• A. Blocks stimulation of beta1 and beta2.
• B. Blocks vasoconstriction and aldosterone.
• C. Acts at many levels in the CNS to produce an anxiolytic effect.
• D. Decreases hepatic glucose production.

Correct answer: D

Rationale: The correct answer is D: Decreases hepatic glucose production. Metformin's primary pharmacological action is to decrease hepatic glucose production, leading to lower blood sugar levels and improved insulin sensitivity in the liver. Choices A, B, and C are incorrect because metformin does not block stimulation of beta1 and beta2 receptors, vasoconstriction, aldosterone, or act in the CNS to produce an anxiolytic effect. Therefore, these options are not reflective of metformin's mechanism of action.

2. A client has a new prescription for Metoprolol to treat hypertension. Which of the following instructions should the nurse include?

• A. Stop taking the medication if your heart rate is below 70/min.
• B. Take the medication with food.
• C. Avoid sudden changes in position.
• D. Limit your sodium intake while taking this medication.

Correct answer: C

Rationale: The correct instruction for a client taking Metoprolol, a medication used to treat hypertension, is to avoid sudden changes in position. Metoprolol can cause orthostatic hypotension, a sudden drop in blood pressure when moving from lying down to standing up, leading to dizziness and falls. By advising the client to change positions slowly, the nurse helps prevent these adverse effects and promotes safety.

3. A client has a new prescription for Allopurinol. Which of the following instructions should be included by the healthcare provider?

• A. Take this medication at bedtime.
• B. Increase your fluid intake.
• C. Avoid foods high in calcium.
• D. Take this medication with meals.

Correct answer: B

Rationale: Allopurinol can increase the risk of kidney stones as a side effect. To prevent this adverse effect, it is essential for the client to increase their fluid intake. Adequate hydration can help in preventing the formation of kidney stones by keeping urine dilute and flushing out substances that can lead to stone formation.

4. 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.

5. A male client recently started taking Haloperidol. Which of the following findings is the highest priority to report to the provider?

• A. Shuffling gait
• B. Neck spasms
• C. Drowsiness
• D. Impotence

Correct answer: B

Rationale: Neck spasms are an indication of acute dystonia, a serious side effect of Haloperidol that can quickly progress to a crisis situation. Immediate medical attention is necessary to prevent complications. Shuffling gait and drowsiness are common side effects of Haloperidol but are not as urgent as neck spasms. Impotence is not typically associated with Haloperidol use. Therefore, identifying neck spasms as the priority finding is crucial for the client's safety.

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