Exam 3: Muscle Structure and Function

Extensibility is the ability of muscle tissue to be stretched.

Which one of the following refers to a situation in which a muscle contracts and tries to shorten but it is overcome by the resistance and is forced to lengthen? This occurs whenever you control the speed as you lower a weight.

Which one of the following types of muscle tissue is under your conscious voluntary control?

A motor unit includes one motor nerve and one muscle fiber.

Muscles that are not worked often enough or hard enough will atrophy.

Which one of the following refers to the ability of muscle tissue to be stretched?

Connective tissue that attaches a muscle to a bone is called a tendon.