Behavioral Sciences and Psychiatry Flashcards
6 cards from real COMLEX-USA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Behavioral Sciences and Psychiatry flashcards as text
The placebo effect in clinical trials is best controlled by which study design?
Answer: Randomized double-blind placebo-controlled trial
A randomized double-blind placebo-controlled trial controls for placebo effect by ensuring neither patients nor investigators know who received the active treatment.
A patient with a history of mania, grandiosity, decreased need for sleep, and hypersexuality is most likely diagnosed with:
Answer: Bipolar I disorder
Bipolar I disorder requires at least one manic episode (lasting ≥7 days) with symptoms of elevated mood, grandiosity, decreased sleep, and hypersexuality.
Which benzodiazepine is preferred in elderly patients due to its lack of active metabolites?
Answer: Lorazepam
Lorazepam (along with oxazepam and temazepam — the 'LOT' drugs) lacks active metabolites and is safer in elderly patients with impaired hepatic metabolism.
Informed consent requires all of the following EXCEPT:
Answer: Patient agreement with the physician's recommendation
Informed consent requires disclosure, comprehension, capacity, and voluntariness — it does not require the patient to agree with the physician; they retain the right to refuse.
Which of the following is a positive symptom of schizophrenia?
Answer: Hallucinations
Hallucinations are positive symptoms of schizophrenia (additions to normal experience); flat affect, alogia, and avolition are negative symptoms (losses of normal function).
In classical conditioning, a previously neutral stimulus that elicits a conditioned response is called:
Answer: Conditioned stimulus (CS)
After repeated pairing with an unconditioned stimulus, a neutral stimulus becomes a conditioned stimulus that elicits the conditioned response on its own.