When Muscle Is Stimulated Directly to Contract, Does the Rising

question 24

Multiple Choice

When muscle is stimulated directly to contract, does the rising phase of the twitch begin immediately? If not, why not?

• A)No, electrical and chemical changes at the muscle membrane must occur before contraction.
• B)No, the rising phase occurs only after a substantial number of muscle fibers have contracted.
• C)No, the falling phase of the twitch must occur first.
• D)Yes, it does begin immediately.

Understand the fundamental concepts of classical conditioning.

Describe the preparedness hypothesis and its implications for conditioned learning.

Understand the principle of operant conditioning and its application in learning and behavior modification.

Explain systematic desensitization and its relevance in counterconditioning.

---

Definitions:

Unrelated

Not connected or relevant to something.

Prevalence

The percentage of people identified with a disease or condition at a given moment.

Incidence

a measure used in epidemiology to refer to the rate at which new cases of a disease or condition occur in a population over a specified period of time.

Correlation Coefficient

A statistical measure that describes the extent to which two variables change together and thus how well one variable predicts the other.