Chapter 2 NASM

Question 1

What is the main characteristic of motor (efferent) neurons?

Answer 1

They stimulate muscle contraction and create movement

Question 2

Which of the following is not a characteristic of Type II (fast-twitch) muscle fibers?

Answer 2

Slow to Fatigue

Question 3

The human movement system (kinetic chain) consists of the:

Answer 3

Muscular, skeletal, Nervous System

Question 4

Neurons are comprised of which three parts?

Answer 4

Cell body, Axon, dendrites

Question 5

What structures are responsible for sensing distortions of body tissue brought about through stretch, pressure and touch?

Answer 5

Mechanoreceptors

Question 6

Which of the following sensory receptors are MOST sensitive to change in length of muscle and the rate of that change?

Answer 6

Muscle Spindles

Question 7

Which of the following sensory receptors will cause a muscle to relax when excited?

Answer 7

Golgi Tendon Organ

Question 8

Which of the following neurons transmit nerve impulses from effector sites to the brain or spinal cord?

Answer 8

Afferent

Question 9

Which of the following muscle fibers are smaller in size, receive more oxygen and are more mitochondrial dense

Answer 9

Type 1