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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Sleepiness is not typically associated with a low lithium level.
B. A relaxed appearance is not typically associated with a low lithium level.
C. Calm behavior is not typically associated with a low lithium level.
D. A lithium level of 0.3 mEq/L is considered below the therapeutic range, which typically falls between 0.6 and 1.2 mEq/L. Therefore, a nurse would expect to assess symptoms of under-medication, such as potential recurrence of manic symptoms, such hyperactivity.
Correct Answer is A
Explanation
A. High cholesterol can lead to the buildup of plaque in the arteries, which can narrow the blood vessels and decrease blood flow to the heart, increasing the risk of heart disease.
B. High cholesterol does not directly damage the heart muscle but can contribute to conditions like atherosclerosis, which can affect heart function.
C. High cholesterol does not directly thicken the blood but can contribute to the formation of blood clots when combined with other factors.
D. High cholesterol does not typically interfere with the conduction system of the heart but can contribute to conditions like coronary artery disease.
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