EBK ANATOMY & PHYSIOLOGY: THE UNITY OF
EBK ANATOMY & PHYSIOLOGY: THE UNITY OF
7th Edition
ISBN: 8220102796409
Author: SALADIN
Publisher: YUZU
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Chapter 13, Problem 3TYR

Nerve fibers that adjust the tension in a muscle spindle are called

  1. a. intrafusal fibers.
  2. b. extrafusal fibers.
  3. c. alpha motor neurons.
  4. d. gamma motor neurons.
  5. e. primary afferent fibers.
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If a stretch reflex is activated, the muscle will   a. lengthen.   b. relax.   c. shorten.   d. none of above
The fast fatigable motor units are used predominantly for which of the following activities?     a. The action potentials fired by alpha motor neurons become slower. b. Slow twitch muscle fibers show increased myosin ATPase. c. Fast fatigable motor units are recruited before slow twitch motor units. d. None of the answers. e.All of the answers.
In the stretch reflex,a. Golgi tendon organs activate contraction in extrafusal muscle fibersconnected to that tendon.b. lengthening of muscle-spindle receptors in a muscle leads tocontraction in an antagonist muscle.c. action potentials from muscle-spindle receptors in a muscle formmonosynaptic excitatory synapses on motor neurons to extrafusal fiberswithin the same muscles.d. slackening of intrafusal fibers within a muscle activates gamma motorneurons that form excitatory synapses with extrafusal fibers within thatsame muscle.e. afferent neurons to the sensorimotor cortex stimulate the agonist muscle to contract and the antagonist muscle to be inhibited

Chapter 13 Solutions

EBK ANATOMY & PHYSIOLOGY: THE UNITY OF

Ch. 13.1 - Prob. 6AYLOCh. 13.1 - Prob. 7AYLOCh. 13.1 - Prob. 8AYLOCh. 13.1 - Prob. 9AYLOCh. 13.1 - Prob. 10AYLOCh. 13.1 - Prob. 11AYLOCh. 13.1 - Prob. 12AYLOCh. 13.1 - Prob. 13AYLOCh. 13.1 - Prob. 14AYLOCh. 13.1 - Prob. 15AYLOCh. 13.1 - Prob. 16AYLOCh. 13.2 - Prob. 6BYGOCh. 13.2 - Prob. 7BYGOCh. 13.2 - Prob. 8BYGOCh. 13.2 - Prob. 9BYGOCh. 13.2 - Prob. 1AYLOCh. 13.2 - Prob. 2AYLOCh. 13.2 - Prob. 3AYLOCh. 13.2 - Prob. 4AYLOCh. 13.2 - Prob. 5AYLOCh. 13.2 - Prob. 6AYLOCh. 13.2 - Prob. 7AYLOCh. 13.2 - Prob. 8AYLOCh. 13.2 - Prob. 9AYLOCh. 13.2 - Prob. 10AYLOCh. 13.2 - Prob. 11AYLOCh. 13.2 - Prob. 12AYLOCh. 13.3 - Prob. 10BYGOCh. 13.3 - Prob. 11BYGOCh. 13.3 - Prob. 12BYGOCh. 13.3 - Prob. 13BYGOCh. 13.3 - Prob. 14BYGOCh. 13.3 - Prob. 1AYLOCh. 13.3 - Prob. 2AYLOCh. 13.3 - Prob. 3AYLOCh. 13.3 - Prob. 4AYLOCh. 13.3 - Prob. 5AYLOCh. 13.3 - Prob. 6AYLOCh. 13.3 - Prob. 7AYLOCh. 13.3 - Prob. 8AYLOCh. 13.3 - Prob. 9AYLOCh. 13 - Below L2. the vertebral canal is occupied by a...Ch. 13 - Prob. 2TYRCh. 13 - Nerve fibers that adjust the tension in a muscle...Ch. 13 - A stretch reflex requires the action of _______ to...Ch. 13 - Prob. 5TYRCh. 13 - Prob. 6TYRCh. 13 - Prob. 7TYRCh. 13 - Prob. 8TYRCh. 13 - Prob. 9TYRCh. 13 - Prob. 10TYRCh. 13 - Prob. 11TYRCh. 13 - Prob. 12TYRCh. 13 - The cerebellum receives feedback from the muscles...Ch. 13 - In the ______ reflex, contraction of flexor...Ch. 13 - Prob. 15TYRCh. 13 - Prob. 16TYRCh. 13 - Prob. 17TYRCh. 13 - Prob. 18TYRCh. 13 - Prob. 19TYRCh. 13 - Prob. 20TYRCh. 13 - arachno-Ch. 13 - Prob. 2BYMVCh. 13 - Prob. 3BYMVCh. 13 - Prob. 4BYMVCh. 13 - Prob. 5BYMVCh. 13 - Prob. 6BYMVCh. 13 - Prob. 7BYMVCh. 13 - Prob. 8BYMVCh. 13 - Prob. 9BYMVCh. 13 - tecto-Ch. 13 - Prob. 1TFCh. 13 - Prob. 2TFCh. 13 - Prob. 3TFCh. 13 - Some spinal nerves are sensory and others are...Ch. 13 - Prob. 5TFCh. 13 - Prob. 6TFCh. 13 - Prob. 7TFCh. 13 - Prob. 8TFCh. 13 - Prob. 9TFCh. 13 - Prob. 10TFCh. 13 - Jillian is thrown from a horse. She strikes the...Ch. 13 - Wallace is the victim of a hunting accident. A...Ch. 13 - Anthony gets into a fight between rival gangs As...Ch. 13 - Stand with your right shoulder, hip, and foot...Ch. 13 - When a patient needs a tendon graft, surgeons...
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