Two Infectious Disease Epidemiologists Want to Investigate a New Laboratory

question 13

Multiple Choice

Two infectious disease epidemiologists want to investigate a new laboratory test that identifies TB infections.Dr.Merritt uses the standard test,which has a sensitivity of 80% and a specificity of 90%.Dr.Foundry uses the new laboratory test,which is 90% sensitive and 99% specific.Now,epidemiologists decide to run those two test as sequential tests (two-stage testing) .What is the effect on net sensitivity of sequential tests?

• A) 72%
• B) 80%
• C) 89%
• D) 90%
• E) 98%

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Definitions:

Racial Identity

An individual's awareness and experience of being a member of a racial group, including the attitudes, culture, and social perceptions associated with that group.

Cultural Traditions

The shared beliefs, practices, arts, institutions, and behaviors passed down within a society or group, often reflecting values and heritage.

Racial Categorization

The process of classifying people into groups based on physical characteristics, often leading to societal implications and stereotypes.

Homogenizing Headings

Refers to the process of making headings consistent in style or format across a document or group of documents.