In Pavlov's Research,what Was the CR

question 12

Multiple Choice

In Pavlov's research,what was the CR?

• A)pricking ears at the sound of the bell
• B)salivating upon food presentation
• C)a bell
• D)salivating at the sound of a bell

---

Definitions:

Muscle Fiber

A single muscle cell that contracts in response to stimulation and is capable of producing force.

Electrically Excitable Cells

Cells capable of generating and propagating electrical impulses, such as neurons and muscle cells.

Depolarization

A decrease in the difference in electrical charge between the inside and outside of a cell's membrane, critical for nerve impulse transmission.

Na+ Ion Channels

Protein channels in cell membranes that allow for the selective passage of sodium ions across the membrane, crucial for generating and transmitting electrical signals.