Epidemiology — Flashcards

Flashcard 141: lead time is the time between _____

Answer: 1st possible point of diagnosis and usual point of diagnosis

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Flashcard 142: 1 untreated TB case can infect upto _____ cases per year

Answer: 10-12

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Flashcard 143: _____ is at the heart of randomized controlled trials (RCT)

Answer: Randomisation

Flashcard 144: In the standard 10-case epidemiology diagram, which cases are included in the **period prevalence** between March and April?

Answer: All except 4 and 9

Extra: Period prevalence includes all cases (old and new) present at any time during the specified interval. In the standard diagram: - Case 4 starts after the period ends. - Case 9 ends before the period starts.

Flashcard 145: _____ study is aka snapshot study

Answer: cross sectional

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Flashcard 146: _____ and _____  regions are involved with lymphatic filariasis

Answer: bihar belt

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Flashcard 147: inductive research applies _____ approach

Answer: bottom to top

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Flashcard 148: primordial prevention prevents _____

Answer: emergence of risk factors

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Flashcard 149: mc mode of transmission of ameobiasis is _____

Answer: faeco-oral route

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Flashcard 150: types of experimental trials are _____

Answer: randomised and non randomised

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