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 B

Explanation

A. ACE inhibitors primarily lower blood pressure and are not commonly used to treat coronary artery spasms.

B. Calcium channel blockers are commonly used to treat both stable angina and coronary artery spasms because they relax blood vessels, improving blood flow to the heart.

C. Beta blockers primarily reduce heart rate and blood pressure and are not typically used to treat coronary artery spasms.

D. Thrombolytics are used to dissolve blood clots and are not indicated for coronary artery spasms.

A. 0.04 mL B. 4mL C. 0.5 mL D. 0.4 mL

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.

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What classification of antianginal medications is also used for coronary artery spasms?

Correct Answer is B

Explanation

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 is going to be started on cholestyramine (Questran), 6 mg three times daily.What instruction should the nurse provide to this client?

What is the most common adverse effect of nitroglycerin for which the patient is monitored?

A patient is taking a monoamine oxidase inhibitor for depression. In planning care for this patient, the nurse knows that a hypertensive crisis may be possible and plans on having what drug on hand as an antidote?

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