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The nurse is explaining the differences between uncontrolled and controlled substances.
Which of the following medications is a controlled substance?

Lisinopril.

Naloxone (Narcan).

Tetracycline.

Morphine.

Answer and Explanation

The Correct Answer is D

Choice A rationale

Lisinopril is an antihypertensive medication and is not classified as a controlled substance.

Choice B rationale

Naloxone (Narcan) is an opioid antagonist used to reverse opioid overdoses and is not a controlled substance.

Choice C rationale

Tetracycline is an antibiotic and not classified as a controlled substance.

Choice D rationale

Morphine is an opioid analgesic used for pain management and is classified as a controlled substance due to its potential for abuse and dependence.

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Correct Answer is D

Explanation

Choice A rationale

Intravenous, intramuscular, and intradermal routes bypass the first-pass effect as they do not pass through the liver first.

Choice B rationale

Enteric-coated tablets and capsules are designed to bypass the stomach and dissolve in the intestines, reducing the first-pass effect.

Choice C rationale

The first-pass effect involves the liver metabolizing and inactivating a portion of the medication on its first pass through the liver.

Choice D rationale

Enteral medications, which pass through the digestive system, may require higher doses due to the first-pass effect where the liver metabolizes the medication before it reaches systemic circulation. .

A. Administer metoprolol as scheduled. B. Withhold the medication and notify the provider. C. Administer an additional dose of metoprolol. D. Administer lisinopril instead of the prescribed dose of metoprolol.

Correct Answer is B

Explanation

Choice B rationale

Withholding the medication and notifying the provider is the appropriate intervention when a client's blood pressure is significantly low, such as 80/60 mmHg. Administering metoprolol, a beta-blocker, in this scenario could further lower the blood pressure, causing more harm. The provider needs to be informed to reassess the treatment plan.

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The nurse is explaining the differences between uncontrolled and controlled substances.Which of the following medications is a controlled substance?

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Naxlex Comprehensive Predictor Exams

Which of the following responses indicate that the nurse understands the first-pass effect?

Correct Answer is D

Explanation

A nurse is caring for a client with hypertension that is prescribed metoprolol due at 0900.The nurse took the client's blood pressure at 0855, and it was noted to be 80/60. The client also notes that he feels dizzy and weak.What is the next intervention for the nurse?

Correct Answer is B

Explanation

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The nurse is explaining the differences between uncontrolled and controlled substances.
Which of the following medications is a controlled substance?