A Muscle Fiber Is _________

question 19

Multiple Choice

A muscle fiber is _________ .

• A)a rod- like structure consisting of sarcomeres placed end to end.
• B)an arrangement of actin and myosin filaments deep within a muscle cell.
• C)a muscle cell.

---

Definitions:

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, famously demonstrated by Ivan Pavlov's experiments with dogs.

Operant Conditioning

A method of learning where the intensity of an action is altered by either rewards or penalties.

White Rat

Often used in laboratory experiments, these are albino rats specifically bred for research purposes.

Rosalie Rayner

An American psychologist known for her work with John B. Watson on the Little Albert experiment, demonstrating classical conditioning in humans.