Descriptive Epidemiology — Flashcards

Flashcard 1: A _____ case-control study is essentially a case-control study that is present inside a cohort study.

Answer: nested

Flashcard 2: Incidence and prevalence rates are included in _____ indicators

Answer: morbidity (mortality/morbidity)

Flashcard 3: A study to evaluate the effect of water fluoridation on dental health is categorized as a _____ study.

Answer: community intervention

Flashcard 4: _____ = # of existing cases / total # of people in a population at a point in time

Answer: Prevalence

Flashcard 5: Duration of illness is _____ a part of the epidemiological triad

Answer: not

Flashcard 6: In _____ transmission, the disease agent changes in form and in number

Answer: Cyclo-propagative

Flashcard 7: Excluding skin cancer, which of the listed three demographics count the incidence of the following cancers as their top 3 most common in the United States? _____

Answer: Children

Flashcard 8: The **validity** of a screening test is defined by its _____ and specificity .

Answer: sensitivity

Extra: Validity (Accuracy) refers to the ability of a test to distinguish between those who have the disease and those who do not. It is measured by Sensitivity and Specificity. In contrast, Reliability (Precision/Repeatability) refers to the ability of a test to give consistent results when repeated under the same conditions.

Flashcard 9: POC of influenza is _____

Answer: 1-2 days before symptoms to 1-2 days after onset of symptoms

Extra: 

Flashcard 10: demographic gap starts increasing in stage _____

Answer: 2 

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