You Are Using Triple Sugar Iron Agar to Differentiate Intestinal

question 14

Multiple Choice

You are using triple sugar iron agar to differentiate intestinal bacteria.You believe you have isolated Pseudomonas.What appearance would you see in the culture tube?

• A)Red slant,red butt
• B)Yellow slant,red butt
• C)Red slant,yellow butt
• D)Yellow slant,yellow butt
• E)Red slant,yellow butt with black H₂S production

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Definitions:

Secondary Reinforcer

A stimulus reinforcing a behavior through its association with a primary reinforcer, not inherently rewarding.

Negative Reinforcement

A behavioral principle where the removal of an undesirable or negative outcome or stimulus strengthens or increases the likelihood of a particular behavior.

Aversive Punishment

A type of behavior modification that involves the use of unpleasant stimuli to decrease the likelihood of a behavior being repeated.

Positive Reinforcer

A stimulus that, when presented after a behavior, increases the likelihood of that behavior being repeated.