In psychopharmacology, the term efficacy means:
the maximal therapeutic effect that a drug can achieve.
the amount of the drug needed to achieve that maximum effect.
the time it takes for half of the drug to be removed from the bloodstream.
the dosage of the medication.
The Correct Answer is A
A. Efficacy refers to the maximal therapeutic effect that a drug can achieve, regardless of the dose. In psychopharmacology, this indicates how well a medication can alleviate symptoms when used appropriately.
B. The amount of drug needed to achieve its maximum effect refers to potency, not efficacy. Potency is about the dose required, while efficacy is about the maximum possible benefit.
C. The time it takes for half the drug to be removed from the bloodstream is the half-life, a pharmacokinetic property, not efficacy.
D. The dosage of the medication simply describes the prescribed amount and schedule of administration. It does not define efficacy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Defining boundaries is correct because the nurse is reinforcing the professional limits of the therapeutic relationship and clarifying that it cannot become personal.
B. Reprimanding the client would be punitive and non-therapeutic.
C. Defining therapy focuses on explaining the process and purpose of therapy, not setting relationship limits.
D. Letting the client down gently avoids the necessary professional discussion about boundaries and could blur roles.
Correct Answer is D
Explanation
A. Lack of a therapist can be a challenge, but it is not considered the primary barrier to reintegration.
B. Being on probation is a legal status, not in itself a major barrier if support services are in place.
C. Lack of a job can hinder reintegration, but it is often a consequence of broader issues rather than the core barrier.
D. Substance use is a significant barrier to successful community reintegration, as it can interfere with treatment adherence, stability, and social functioning.
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