Juan is reviewing the effects of neurotransmitter imbalances in mental health disorders. A decrease in which neurotransmitter is most commonly associated with depression?
Serotonin.
Histamine.
Glutamate.
Norepinephrine.
The Correct Answer is A
Choice A reason: Reduced serotonin levels are strongly associated with depression, as serotonin regulates mood, sleep, and emotional stability. Many antidepressants, such as SSRIs, work by increasing serotonin availability in the brain, supporting its role in depression.
Choice B reason: Histamine is primarily involved in immune responses, wakefulness, and allergic reactions, not mood regulation. It is not commonly linked to depression, making it an incorrect choice.
Choice C reason: Glutamate is an excitatory neurotransmitter involved in learning and memory. While imbalances may play a role in some psychiatric conditions, it is not the primary neurotransmitter associated with depression.
Choice D reason: Norepinephrine is involved in arousal and stress responses, and its dysregulation can contribute to depression. However, serotonin is more consistently and prominently linked to the pathophysiology of depression, making it the better choice.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","E"]
Explanation
Choice A reason:Sleeping for long periods is more characteristic of the depressive phase of bipolar disorder, not mania. Manic behavior typically involves reduced need for sleep, making this an incorrect choice.
Choice B reason:Spending large sums of money impulsively is a hallmark of manic behavior, reflecting poor judgment and heightened energy typical of the manic phase in bipolar disorder.
Choice C reason:Flirtatious interactions are common in mania, as clients may exhibit increased sociability, disinhibition, or hypersexuality, making this a correct indicator of manic behavior.
Choice D reason:Dressing in black or grey clothing is not specifically associated with mania. Manic clients may choose bright or eccentric clothing, but color preference alone is not a reliable indicator of manic behavior.
Choice E reason:Rapid, continuous speech, often pressured, is a classic sign of mania, reflecting the client’s heightened energy, racing thoughts, and difficulty slowing down their communication.
Correct Answer is C
Explanation
Choice A reason:Clozapine is an antipsychotic used primarily for schizophrenia, not for preventing seizures. While it may lower the seizure threshold as a side effect, it is not prescribed for seizure control, making this statement incorrect.
Choice B reason:Clozapine is typically administered orally, not by intramuscular injection every 2 weeks. Long-acting injectable antipsychotics exist, but clozapine is not one of them, so this statement does not reflect correct understanding.
Choice C reason:Clozapine can cause orthostatic hypotension, leading to dizziness or fainting upon standing. Rising slowly from a lying position helps prevent this, indicating the client understands an important precaution for safe use of the medication.
Choice D reason:Ringing in the ears (tinnitus) is not a common side effect of clozapine. More common side effects include sedation, weight gain, and agranulocytosis, so this statement does not show correct understanding.
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