Chapter 9 Part 2

Question 1

Depends on oxygen-delivery and aerobic mechanisms.

A) Fast (oxidative or glycolytic), fatigable fibers
B) Slow (oxidative), fatigue-resistant fibers

Answer 1

B) Slow (oxidative), fatigue-resistant fibers

Question 2

Have very fast-acting myosin ATPases and depend upon anaerobic metabolism during contraction.

A) Fast (oxidative or glycolytic), fatigable fibers
B) Slow (oxidative), fatigue-resistant fibers

Answer 2

A) Fast (oxidative or glycolytic), fatigable fibers

Question 3

Red fibers, the smallest of the fiber types.

A) Fast (oxidative or glycolytic), fatigable fibers
B) Slow (oxidative), fatigue-resistant fibers

Answer 3

B) Slow (oxidative), fatigue-resistant fibers

Question 4

Contain abundant amounts of glycogen.

A) Fast (oxidative or glycolytic), fatigable fibers
B) Slow (oxidative), fatigue-resistant fibers

Answer 4

A) Fast (oxidative or glycolytic), fatigable fibers

Question 5

Abundant in muscles used to maintain posture.

A) Fast (oxidative or glycolytic), fatigable fibers
B) Slow (oxidative), fatigue-resistant fibers

Answer 5

B) Slow (oxidative), fatigue-resistant fibers

Question 6

A relatively high percentage are found in successful marathon runners.

A) Fast (oxidative or glycolytic), fatigable fibers
B) Slow (oxidative), fatigue-resistant fibers

Answer 6

B) Slow (oxidative), fatigue-resistant fibers