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A nurse is preparing to teach a client with a new prescription for levothyroxine about the timing of the medication. Which instruction should the nurse prioritize to ensure optimal absorption and therapeutic effect?

Take levothyroxine first thing in the morning on an empty stomach, waiting at least 30 to 60 minutes before eating or taking other medications

Take levothyroxine at bedtime immediately after eating to prevent stomach upset and improve compliance

Take levothyroxine with your second meal of the day to ensure it works through the evening

Take levothyroxine anytime during the day as long as it is consistently taken at the same time daily, regardless of meals.

Answer and Explanation

The Correct Answer is A

A. Take levothyroxine first thing in the morning on an empty stomach, waiting at least 30 to 60 minutes before eating or taking other medications: Levothyroxine is best absorbed when taken on an empty stomach. Waiting 30–60 minutes before food or other medications maximizes absorption and ensures optimal therapeutic effect, which is essential for managing hypothyroidism.

B. Take levothyroxine at bedtime immediately after eating to prevent stomach upset and improve compliance: Taking levothyroxine with food reduces its absorption and effectiveness. Bedtime administration after a meal is not recommended unless specifically advised and carefully timed.

C. Take levothyroxine with your second meal of the day to ensure it works through the evening: Administering levothyroxine with any meal decreases absorption. Timing with meals does not optimize the therapeutic effect and may lead to subtherapeutic dosing.

D. Take levothyroxine anytime during the day as long as it is consistently taken at the same time daily, regardless of meals: Consistency is important, but taking levothyroxine with food or other medications can significantly reduce absorption. Empty-stomach administration remains the priority for effectiveness.

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Correct Answer is D

Explanation

A. Slower onset and longer duration of a medication's action:A slower onset with prolonged effect is characteristic of oral or some subcutaneous medications, not intravenous administration. IV administration delivers the drug directly into the bloodstream, resulting in rapid onset.

B. Onset is moderate and can be used to space out medication frequency:Moderate onset applies to routes like intramuscular or subcutaneous injections. IV administration provides almost immediate therapeutic effects, so spacing doses for gradual onset is not relevant.

C. Route of administration is minimally invasive:IV administration is invasive, requiring cannulation of a vein, and carries risks such as infection or phlebitis. Minimal invasiveness is more applicable to oral or topical routes.

D. Onset is rapid, and absorption into the blood is immediate, which provides an immediate response:Medications administered intravenously bypass absorption barriers, entering directly into systemic circulation. This allows for rapid therapeutic effects, making IV administration ideal for emergencies or situations requiring immediate pharmacologic action.

A. Verify the medication and dose with another nurse before administration B. Administer the medication without a second nurse check C. Rely on the automated dispensing system to prevent errors D. Ask the client if they have taken this medication before

Correct Answer is A

Explanation

A. Verify the medication and dose with another nurse before administration: High-alert medications carry a higher risk of causing significant harm if used incorrectly. Independent double-checking by another nurse ensures correct drug, dose, route, and patient, reducing the risk of serious medication errors.

B. Administer the medication without a second nurse check: Skipping a double-check increases the risk of administering an incorrect dose or medication. High-alert drugs require verification procedures because errors can have severe or fatal consequences.

C. Rely on the automated dispensing system to prevent errors: Automated systems reduce errors but are not foolproof. Human verification is still necessary, especially for high-alert medications, to catch potential mistakes that machines may miss.

D. Ask the client if they have taken this medication before: While patient history can provide context, clients may not accurately recall medications or doses. Verification through medical records and independent nurse checks is essential for safe administration.

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A nurse is preparing to teach a client with a new prescription for levothyroxine about the timing of the medication. Which instruction should the nurse prioritize to ensure optimal absorption and therapeutic effect?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What is a key advantage of the intravenous route of medication administration in terms of absorption rate?

Correct Answer is D

Explanation

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Correct Answer is A

Explanation

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