Which of the following herbal products or supplements is considered psychoactive?
Melatonin
Tryptophan
SAM-e
Valerian
The Correct Answer is D
Choice A reason: Melatonin is a hormone that regulates the sleep-wake cycle and induces drowsiness. While it affects consciousness and is technically psychoactive, it is not classified as an herbal supplement but rather a hormone. Its psychoactivity is mild and primarily limited to sleep regulation.
Choice B reason: Tryptophan is an amino acid precursor to serotonin, which influences mood and sleep. It has psychoactive properties due to its role in serotonin synthesis, but it is not typically categorized as a standalone psychoactive herbal supplement.
Choice C reason: SAM-e (S-Adenosyl-L-methionine) is a compound involved in neurotransmitter synthesis and is used for mood disorders. It alters mental states and is considered psychoactive, but it is a synthesized supplement rather than a traditional herbal product.
Choice D reason: Valerian is a well-known herbal supplement with sedative properties. It acts on GABA receptors in the brain, promoting relaxation and drowsiness. Among the choices, it is the most classically recognized psychoactive herbal product due to its direct central nervous system effects.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: While encouraging autonomy is important, this response overlooks the potential danger of combining serotonergic agents. It may inadvertently reinforce unsafe behavior.
Choice B reason: Although tryptophan has been studied for its role in mood regulation, combining it with SSRIs like escitalopram increases the risk of serotonin syndrome—a potentially life-threatening condition. This response fails to address the safety concern.
Choice C reason: This response acknowledges the client’s progress while appropriately warning about the risk of serotonin syndrome. It maintains therapeutic rapport and provides necessary education about drug interactions.
Choice D reason: This response is overly critical and may damage the therapeutic relationship. It does not validate the client’s intent or provide constructive guidance.
Correct Answer is C
Explanation
Choice A reason: Glutamate is the primary excitatory neurotransmitter in the brain and is involved in learning, memory, and neuroplasticity. While dysregulation of glutamate has been implicated in mood disorders, it is not produced in the raphe nuclei and is not the primary neurotransmitter associated with depression, anxiety, or OCD.
Choice B reason: Acetylcholine plays a role in attention, learning, and memory. It is not synthesized in the raphe nuclei and is more commonly associated with neurodegenerative disorders like Alzheimer’s disease rather than mood or anxiety disorders.
Choice C reason: Serotonin is synthesized in the raphe nuclei of the brainstem and is critically involved in mood regulation, anxiety control, and obsessive-compulsive behaviors. A deficiency in serotonin transmission has been strongly linked to depression, anxiety disorders, and OCD. This neurotransmitter is the target of many antidepressants, including SSRIs, which aim to increase its availability in the synaptic cleft.
Choice D reason: Norepinephrine is involved in arousal, alertness, and the stress response. Although it plays a role in mood disorders, it is primarily produced in the locus coeruleus, not the raphe nuclei. Its deficiency is more closely associated with fatigue and concentration issues in depression rather than obsessive-compulsive symptoms.
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