The nurse administers a medication that potentiates the action of gamma-aminobutyric acid (GABA). Which effect would be expected?
Improved memory
Fewer visual hallucinations
Reduced anxiety
Increased alertness
The Correct Answer is C
Choice A reason: GABA, an inhibitory neurotransmitter, reduces neuronal activity, not enhances cognitive functions like memory. Memory improvement is associated with cholinergic or glutamatergic systems, not GABA, making this choice incorrect for the expected effect of GABA potentiation.
Choice B reason: Fewer visual hallucinations are associated with antipsychotics affecting dopamine, not GABA. GABA’s inhibitory effects calm the brain but do not directly target psychotic symptoms like hallucinations, making this choice incorrect for the medication’s effect.
Choice C reason: GABA potentiation, as with benzodiazepines, enhances inhibitory effects, reducing neuronal excitability and calming the central nervous system. This directly alleviates anxiety, a primary therapeutic effect, aligning with GABA’s role in anxiety disorders, making this the correct choice.
Choice D reason: Increased alertness is contrary to GABA’s inhibitory effects, which promote sedation. Stimulants, not GABAergic drugs, enhance alertness, making this choice incorrect, as GABA potentiation leads to calming, not stimulating, effects on the brain.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Zolpidem, a nonbenzodiazepine sedative, affects the central nervous system, causing sedation and impaired coordination, particularly in the elderly. Age-related declines in metabolism and balance increase fall risk, a critical nursing consideration. Monitoring mobility and ensuring safety measures are essential to prevent injuries, making this the correct choice.
Choice B reason: While zolpidem may cause daytime drowsiness, this is not the primary nursing consideration compared to fall risk in the elderly. Drowsiness is a general side effect, but the elderly’s heightened vulnerability to falls due to sedation and impaired coordination takes precedence, making this choice less critical.
Choice C reason: Zolpidem has a lower dependence risk than benzodiazepines, and dependence is not inevitable. This assumption overstates the risk and is not the primary nursing consideration. Fall prevention, especially in vulnerable populations like the elderly, is more urgent due to immediate safety concerns, making this choice incorrect.
Choice D reason: Zolpidem induces sedation rapidly, typically within 15–30 minutes, not requiring 4 weeks. This choice is factually incorrect, as prolonged use is not necessary for efficacy. The primary concern is immediate side effects like falls, not a delayed onset, making this an invalid nursing consideration.
Correct Answer is D
Explanation
Choice A reason: Dismissing the patient’s feelings by saying they will leave is non-therapeutic, as it invalidates their emotions. Therapeutic communication requires empathy and exploration of feelings, not reassurance that may feel dismissive, as it fails to address the patient’s underlying concerns, making this choice incorrect.
Choice B reason: Encouraging effort with a promise of discharge is overly optimistic and may pressure the patient, ignoring their emotional state. Therapeutic responses focus on understanding feelings, not conditional reassurance, which can undermine trust in psychiatric care, making this response non-therapeutic and incorrect.
Choice C reason: Generalizing the patient’s feelings as common minimizes their unique experience, reducing therapeutic engagement. It fails to explore the patient’s specific concerns or foster a trusting nurse-patient relationship, which is critical in mental health care, making this response non-therapeutic and incorrect.
Choice D reason: Reflecting the patient’s statement by exploring perceived lack of progress demonstrates active listening and empathy, key to therapeutic communication. It encourages the patient to elaborate on feelings, fostering trust and insight, aligning with psychiatric nursing principles, making this the most therapeutic and correct
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