The Portal of Exit for Pathogens

question 12

Multiple Choice

The portal of exit for pathogens:

• A) is always the same as the portal of entry.
• B) is always different from the portal of entry.
• C) may or may not be the same as the portal of entry.
• D) is a critical requirement if the pathogen is to cause disease.
• E) is lacking in almost all human diseases.

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Definitions:

Regression

A statistical method used to determine the strength and character of the relationship between one dependent variable and one or more independent variables.

Foreign Born

Individuals who were born outside of the country in which they currently reside.

Linear Model

A statistical model used to describe the relationship between one or more explanatory variables and a continuous response variable by a linear equation.

Scatterplot

A graphical representation that uses dots to show the relationship between two sets of data.