Epidemiology — Flashcards

Flashcard 31: _____ study is aka longitudinal prospective study

Answer: cohort

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Flashcard 32: A density of 1 microfilaria per 20 mm³ of blood can infect _____% of mosquitoes.

Answer: 2.6

Extra: This highlights the importance of low-density microfilaraemia in the transmission of Lymphatic Filariasis. Even at a density as low as 1 mf per 20 mm³ of blood, 2.6% of mosquitoes can become infected.

Flashcard 33: _____ study goes from cause to effect

Answer: cohort

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Flashcard 34: The census of _____ is known as the 'Year of the Great Divide'

Answer: 1921

Flashcard 35: _____ bias occurs when there is a long gap between exposure and observation.

Answer: Neyman

Extra: Neyman bias (also known as prevalence-incidence bias or late-look bias) occurs when a gap in time between exposure and selection of cases leads to the omission of cases that have already died or recovered.

Flashcard 36: States with maximum prevalence and incidence of HIV/AIDS in India are

Answer: Mizoram > Nagaland > Meghalaya

Flashcard 37: cluster sampling is done to _____

Answer: evaluate the health services

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Flashcard 38: 5ce54378cee641398d486f0bc8c03a91-ao-3

Answer: specificity definition

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Flashcard 39: annual blood examination rate(ABER) indicates _____

Answer: operational efficacy of NVBDCP

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Flashcard 40: de _____ survey method is based on permanent residence

Answer: jure

Extra: De jure census: people are counted at their permanent residence. De facto census: people are counted where they are found at the time of the census.