The Recent Emergence of Epidemic Multidrug-Resistant Strains of M

question 25

Multiple Choice

The recent emergence of epidemic multidrug-resistant strains of M.tuberculosis,in conjunction with the end of the downward trend of reported cases of tuberculosis in the United States,has been largely attributed to:

• A)human immunodeficiency virus (HIV)epidemic.
• B)ineffective treatment regimens.
• C)political factors.
• D)shortened treatment regimens.

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Definitions:

Seat Belts

Devices aimed at protecting vehicle passengers from injurious motions that might occur in the event of an accident or abrupt halt.

Chi-Squared Test

A statistical test used to determine if there's a significant difference between the observed frequencies and the expected frequencies in one or more categories.

Nominal Variables

Categorical variables that represent qualitative data with no intrinsic ordering or ranking between the categories.

Alternative Hypothesis

The hypothesis that contradicts the null hypothesis, representing the possibility that there is an effect or a difference.