In a Case-Control Study, Why Are the Cases and Controls

question 16

Multiple Choice

In a case-control study, why are the cases and controls often matched on variables such as age and sex?

• A) So that cases and controls are similar except for the disease and health characteristic under study
• B) So that cases and controls are similar for all aspects of the study
• C) So that cases and controls are similar except for the disease under study only
• D) So that cases and controls are similar except for the health characteristic only

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Definitions:

Hg(OAc)2

Mercury acetate, a chemical compound used in organic chemistry as a reagent, particularly in reactions involving carbocations.

NaBH4

Sodium borohydride (NaBH4) is a reducing agent commonly used in organic synthesis to reduce aldehydes and ketones to alcohols.

Raney Nickel

A finely divided nickel alloy used as a catalyst in hydrogenation and other chemical reactions.

MgBr

Magnesium bromide is a chemical compound consisting of magnesium and bromine, often used in organic synthesis as a Grignard reagent.