A patient asks how most antidepressants work. The nurse responds by saying that antidepressants improve mood by increasing levels of:

GABA and serotonin

Epinephrine and norepinephrine

Norepinephrine and serotonin

Reticular formation

Answer and Explanation

The Correct Answer is C

A. GABA (gamma-aminobutyric acid) is not typically targeted by antidepressants.

B. While some antidepressants may indirectly affect epinephrine and norepinephrine levels, the primary mechanism of action for most antidepressants is through increasing levels of serotonin and/or norepinephrine.

C. Antidepressants commonly work by increasing the levels of neurotransmitters such as norepinephrine and serotonin in the brain.

D. The reticular formation is not directly involved in the mechanism of action of antidepressants.

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Correct Answer is D

Explanation

A. To calculate the volume needed; dose/concentration = 6/15 = 0.4 mL.

B. To calculate the volume needed; dose/concentration = 6/15 = 0.4 mL.

C. To calculate the volume needed; dose/concentration = 6/15 = 0.4 mL.

D. To calculate the volume needed; dose/concentration = 6/15 = 0.4 mL.

A. “Leaving the patch off for 8 hours per day helps to delay the development of tolerance. B. “There is no reason to take the patch off each day." C. “You should wear the patch for day and then leave it off for 1 day." D. “You should only wear the patch off for 15 minutes."

Correct Answer is A

Explanation

Explanation:

A. Leaving the patch off for a certain period each day helps prevent tolerance, ensuring that the medication remains effective over time.

B. Continuous use of the patch without breaks may lead to tolerance, reducing its effectiveness.

C. Wearing the patch continuously without any breaks could lead to tolerance and decreased efficacy.

D. Wearing the patch off for only 15 minutes would not provide enough time for the medication to have a therapeutic effect and would not address the issue of tolerance.

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A patient asks how most antidepressants work. The nurse responds by saying that antidepressants improve mood by increasing levels of:

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Naxlex Comprehensive Predictor Exams

You are instructed to give morphine sulfate 6 mg to a client experiencing an MI. The drug label reads: 15 mg/mL How many mL would you give?

Correct Answer is D

Explanation

The client asks the nurse why the Transdermal Nitroglycerin patch needs to be off for 12 hours per day. What is the best response by the nurse?

Correct Answer is A

Explanation

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