Question 1
A randomised controlled trial reports that an antidepressant reduces the absolute risk of relapse from 40% to 25% over 12 months. What is the number needed to treat (NNT) to prevent one relapse?
Correct Answer:
About 7
Question 2
A case-control study examines the association between a rare adverse drug reaction and a new antipsychotic. Which measure of association is most appropriately derived from this design?
Correct Answer:
Odds ratio
Question 3
In a study comparing mean Hamilton Depression scores between two independent groups of patients, the data are normally distributed with equal variances. Which statistical test is most appropriate?
Correct Answer:
Unpaired (independent) t-test
Question 4
A trial reports a relative risk of 0.70 with a 95% confidence interval of 0.45 to 1.10 for the effect of an intervention on hospital readmission. How should this result be interpreted?
Correct Answer:
A non-significant result because the confidence interval crosses 1
Question 5
Which type of bias is most directly minimised by ensuring that outcome assessors in a trial are unaware of treatment allocation?
Correct Answer:
Detection (ascertainment) bias
Question 1
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Prepare with the MRCPsych Paper B Practice Questions - MRCPsych Paper B Exam practice quiz. This question bank includes 100 questions covering year-old, treatment, trial, reports, and risk. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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MRCPsych Paper B Practice Questions - MRCPsych Paper B Exam

This practice set contains 100 questions from the matching question bank and focuses on year-old, treatment, trial, reports, and risk. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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