2 - Basic Exercise Science

Question 1

Which of the following is true of type I, or slow-twitch, muscle fibers?

Answer 1

They contain more capillaries, mitochondria, and myoglobin than type II muscle fibers.

Question 2

Which of the following characteristics distinguishes type II muscle fibers from type I muscle fibers?

Answer 2

Decreased oxygen delivery

Question 3

Which of the following is a characteristic of joint receptors in the human body?

Answer 3

They respond to pressure, acceleration, and deceleration of joints.

Question 4

What are sensitive to changes in tension and the rate of that change, protecting a muscle from possible injury?

Answer 4

Golgi tendon organs

Question 5

Which of the following is a catabolic hormone secreted by the adrenal glands and serves to maintain energy supply through the breakdown of carbohydrates, fats, and protein?

Answer 5

Cortisol

Question 6

Which term refers to fibrous connective tissues that connect bone to bone and provide static and dynamic stability as well as input to the nervous system?

Answer 6

Ligaments