Which of the Following Is a Way to Prevent Attenuation

question 36

Multiple Choice

Which of the following is a way to prevent attenuation and maintain virulence in a bacterium?

• A) laboratory subculture
• B) animal passage
• C) polymerase chain reaction (PCR)
• D) antibiotic therapy

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Definitions:

Kingpins

The main pivot in the steering mechanism of a vehicle, around which the front wheels turn.

Hard-surfacing

A welding process that adds a hard, wear-resistant layer of metal to the surface of a workpiece.

Kingpin Bushings

Components that provide a bearing surface for the kingpin in truck and trailer steering mechanisms, allowing for smooth pivoting.

Broached

A machining process that uses a toothed tool to remove material, typically used for making unique shapes or holes in metal.