Deck 3: Muscle Structure and Function

Question 1

Extensibility is the ability of muscle tissue to be stretched.

Answer 1

True

Question 2

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

Answer 2

True

Question 3

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

Answer 3

False

Question 4

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

Question 5

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

A) Excitability
B) Extensibility
C) Contractility
D) Elasticity

Question 6

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

A) Cardiac
B) Skeletal
C) Smooth
D) Visceral

Question 7

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.

A) Isometric muscle action
B) Concentric muscle action
C) Eccentric muscle action
D) Isokinetic muscle action