PLAB VaultPractice questions › Medicine › Suspected cancer referral
Suspected cancer referral
A practice question in the style of the PLAB 1 exam. Choose your answer to see the explanation.
A 66-year-old woman with persistent bloating has a CA125 of 30 IU/ml. The threshold for her age band is 24 IU/ml. What should be arranged?
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The answer is A: An urgent ultrasound of the abdomen and pelvis.
From April 2026 the threshold varies by age. The level is above the threshold for 60 to 69 (24), so the next step is an urgent ultrasound.
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This question comes from Week 7 of PLAB Vault: Infection and cancer care. 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 7, as part of a four-month plan with full mock exams along the way.
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