Attenuation

question 8

Multiple Choice

Attenuation:

• A)is the increase in the pathogenicity of a microbe
• B)is the process that weakens the disease-producing ability of a pathogen
• C)does not affect the capacity to produce disease
• D)is the process that decreases the number of organisms that enter the body

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Definitions:

Rectification

The process of converting alternating current (AC) to direct current (DC) using diodes or other rectifying devices.

Direct Current

Electrical current that flows only from zero to positive and does not alternate negative and positive as AC does; the type of current created by the use of a battery.

Alternating Current

The form in which electrical current is generated at power stations and transmitted along power lines to customers. Alternating current is created by causing electrons to flow in an alternating positive and negative manner.

AC Generator

A machine that converts mechanical energy into alternating current electrical energy.