Why Does the Microbiota of the Reproductive Tract Change as the Female

question 34

Multiple Choice

Why does the microbiota of the reproductive tract change as the female ages from childhood to adulthood to old age?

• A) Her estrogen and progesterone levels change over time.
• B) The pH of the vagina changes over time.
• C) The microbes in the vagina change the environment, which affects the populations of microbes living there.
• D) Post-menopausal women have a stable microbiota.
• E) All of these statements are true.

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Definitions:

Coefficient Matrix

A matrix consisting of the coefficients of the variables in a set of linear equations.

Linear Equations

Equations of the first degree, where variables are raised only to the power of one and graph as straight lines.

Augmented Matrix

An augmented matrix is a matrix used in linear algebra, consisting of the coefficient matrix of a system of linear equations and one or more columns added to the right, representing the constants from the equations' right-hand sides.

Linear Equations

Equations in which the highest power of the variable is one, graphically represented as straight lines.