Which of the Following Is a Disadvantage of Dry Heat

question 28

Multiple Choice

Which of the following is a disadvantage of dry heat methods such as using a Bunsen burner to incinerate microbes from an inoculating loop and the use of a hot air oven?

• A)Bunsen burners and hot air ovens only reach a maximum of 100^oC so they are not effective against endospores.
• B)Neither of these methods actually sterilize; they only kill vegetative cells.
• C)Bunsen burners take too long to sterilize and hot air ovens are hazardous for the operators.
• D)Use of an open flame can be dangerous and hot air ovens take much longer to sterilize than autoclaves.

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Definitions:

Reflexes

Reflexes are involuntary and nearly instantaneous movements in response to a stimulus, serving as basic building blocks of behavior and survival mechanisms.

Peripheral Nervous System

A part of the nervous system that lies outside the brain and spinal cord, responsible for transmitting information to and from the central nervous system and the rest of the body.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and sending out information to and from the body.

Brain

The organ in the head of an animal or human that controls functions, movements, sensations, and thoughts.