PLAB VaultPractice questions › Primary care and professional practice › Evidence, screening and how the NHS works
Evidence, screening and how the NHS works
A practice question in the style of the PLAB 1 exam. Choose your answer to see the explanation.
A study compares people with a rare cancer and people without it, looking back at past exposures. What is this design?
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The answer is C: Case-control study.
A case-control study compares people with and without a disease, looking back for exposures. It suits rare diseases.
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This question comes from Week 17 of PLAB Vault: Older adults, ethics and the NHS. That week has 124 more exam-style questions like it, 5 short lessons and 154 flashcards. The course starts free with Week 1 and reaches this topic in week 17, as part of a four-month plan with full mock exams along the way.
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