Epidemiology

A new screening blood test for a cancer has a sensitivity of 90% and a specificity of 95%. It is proposed for use in the general population aged 50–74, in whom…

General Practice and Population Health · Mechanisms of disease · common

A 70-year-old man presents with dysuria, a slow urinary stream, and a feeling of incomplete emptying. Urinalysis shows leukocytes and nitrites. He is afebrile a…

Year 1 · Mechanisms of disease · common

A 21-year-old woman presents to the GP with urinary urgency, suprapubic discomfort, and dysuria. This is her third similar episode in the past year. She does no…

Year 1 · Mechanisms of disease · middle twist

During an epidemiological study of a population of 100,500 people, 500 individuals were identified as existing cases of a certain disease. Over the course of on…

Year 4 · Mechanisms of disease · middle twist

Which of the following is the most common type of familial dyslipidemia associated with markedly elevated LDL cholesterol and a high risk of early cardiovascula…

Year 4 · Mechanisms of disease · common

What is the most common type of malignant tumor of the urinary tract?

Year 3 · Mechanisms of disease · common