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. Oxygen saturation within the normal range does not indicate a need to question administering atenolol.

B. Respiratory rate within the normal range does not indicate a need to question administering atenolol.

C. Blood pressure within the normal range does not indicate a need to question administering atenolol.

D. Atenolol is a beta blocker, which can lower heart rate. A pulse of 52 beats per minute may be too low, especially if the client is experiencing angina, and the nurse should assess further before administering the medication.

A. “I need to call my physician if I excessively sweat during exercise," B. “I can stop taking my lithium when my moods are stable." C. I don't need to have my blood checked anymore after I leave the hospital." D. "I need to restrict my intake of salt while I am taking lithium."

Correct Answer is A

Explanation

Explanation:

A. This is because lithium levels can be affected by changes in sodium balance and hydration levels in the body. Excessive sweating can lead to dehydration, which can increase lithium levels and potentially lead to toxicity. Therefore, it is important for clients to be aware of the need to maintain hydration and to communicate with their healthcare provider if there are any significant changes in their fluid balance, such as those caused by excessive sweating.

B. Stopping lithium abruptly, especially when moods are stable, can lead to relapse of bipolar disorder symptoms and is not recommended.

C. Regular monitoring of blood levels of lithium is essential to ensure therapeutic levels and prevent toxicity; therefore, the statement indicating the client no longer needs blood checks is incorrect.

D. Restricting salt intake lowers the sodium levels which can decrease lithium elimination, hence increasing the risk of toxicity.

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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

The nurse is preparing to administer atenolol (Tenormin) to a client with angina. Which vital sign would cause the nurse to question administering this drug?

Correct Answer is D

Explanation

The nurse has been doing medication education for the client receiving lithium (Eskalith).Which statement by the client indicates that teaching has been effective?

Correct Answer is A

Explanation

The patient on methylphenidate (Ritalin) should be assessed for:

In the treatment of angina, the mechanism of action of an organic nitrate is:

Lipoproteins transport lipids through the blood for utilization by tissues, storage in adipose tissue, or excretion by the

The nurse informs the patient to remain well hydrated while taking lithium because dehydration can lead to:

Aspirin may be used in the treatment of angina and MI for which of the following reasons?

What is the correct medical term used to describe impaired blood flow in the coronary arteries?

A client has just begun therapy with lithium (Eskalith). The nurse notices the serum level of lithium for this client is 1.3 mEq/L What is the normal range of lithium?

Which lifestyle changes should the nurse recommend to the client to lower blood lipid levels? (Select all that apply.)