"In Classical Conditioning,as in Telling a Good Joke,timing Is Critical

question 38

Multiple Choice

"In classical conditioning,as in telling a good joke,timing is critical." What did the authors of the textbook mean?

• A)The CR and the UCR must be presented closely enough in time to be perceived as related.
• B)The CR and the UCR must be presented far enough apart in time to be perceived as unrelated.
• C)The CS and the UCS must be presented far enough apart in time to be perceived as unrelated.
• D)The CS and the UCS must be presented closely enough in time to be perceived as related.

---

Definitions:

Protein

Essential nutrients required by the body for growth, repair, and maintenance of cells.

Trypsin

A pancreatic enzyme that digests proteins.

Hydrochloric Acid

A strong, corrosive acid found in the stomach that aids in digestion by breaking down foods and killing pathogens.

Parietal Cells

Stomach cells that secrete hydrochloric acid, which is necessary to convert pepsinogen to pepsin. Parietal cells also secrete intrinsic factor, which is necessary for vitamin B12 absorption.