SMLE

SMLE — Biostatistics MCQs

Practice 10 Biostatistics past-paper MCQs for SMLE, each with a detailed explanation and reference. Try free samples below, then start a full quiz.

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Part of the full SMLE QBank — 2,948 questions across all subjects.

Biostatistics is a core part of the SMLE syllabus. HighYield's Biostatistics question bank collects 10MCQs modelled on real past papers, so you practise the exact style and difficulty you'll face on exam day. Every question comes with a worked explanation and a subject reference, so you learn why an answer is right — not just which option to pick.

Work through Biostatistics in Tutor mode to learn as you go, or switch to Timed mode to simulate real exam pressure. Your accuracy is tracked per subject, so you always know whether Biostatistics is a strength to maintain or a weak area to drill.

Sample Biostatistics Questions

Q1

What is the study design used to compare two groups of pregnant women on different diets, following them to assess pregnancy outcomes?

  • A.Case series
  • B.Cross-sectional study
  • C.Cohort study
  • D.Case-control study
Q2

What does 'number needed to treat' (NNT) represent, and how is it calculated?

  • A.The number of patients who experience harm for every one who benefits
  • B.The number of patients who need to be treated to prevent one additional adverse outcome, calculated as 1 divided by the absolute risk reduction
  • C.The number of patients needed to enroll in a trial to reach statistical significance
  • D.The total number of patients studied in a clinical trial
Q3

What does attributable risk represent in epidemiology?

  • A.The overall prevalence of a disease in a population
  • B.The probability that exposure causes disease in an individual patient
  • C.The difference in disease incidence rate between an exposed population and an unexposed population
  • D.The ratio of disease incidence between exposed and unexposed groups

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