HUMAN ANATOMY
6th Edition
ISBN: 9781260210262
Author: SALADIN
Publisher: RENT MCG
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Textbook Question
Chapter 14.2, Problem 1AWYK
How does the structure of a nerve compare to that of a skeletal muscle? Which of the descriptive terms for nerves have similar counterparts in muscle histology?
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Chapter 14 Solutions
HUMAN ANATOMY
Ch. 14.1 - Prob. 1AWYKCh. 14.1 - Prob. 1BYGOCh. 14.1 - Prob. 2BYGOCh. 14.1 - Prob. 3BYGOCh. 14.1 - Prob. 4BYGOCh. 14.1 - Identify each of the following spinal tracts with...Ch. 14.2 - How does the structure of a nerve compare to that...Ch. 14.2 - Prob. 6BYGOCh. 14.2 - Prob. 7BYGOCh. 14.2 - List the five plexuses of spinal nerves and state...
Ch. 14.2 - State which plexus gives rise to each of the...Ch. 14.3 - Prob. 1AWYKCh. 14.3 - Prob. 10BYGOCh. 14.3 - Prob. 11BYGOCh. 14.3 - Describe a situation in which each of the...Ch. 14.4 - Prob. 1AWYKCh. 14.4 - Prob. 13BYGOCh. 14.4 - Prob. 14BYGOCh. 14.4 - Prob. 15BYGOCh. 14 - Four functions of the spinal cord and their...Ch. 14 - Prob. 14.1.2AYLOCh. 14 - Prob. 14.1.3AYLOCh. 14 - Prob. 14.1.4AYLOCh. 14 - Prob. 14.1.5AYLOCh. 14 - Prob. 14.1.6AYLOCh. 14 - Prob. 14.1.7AYLOCh. 14 - Prob. 14.1.8AYLOCh. 14 - The funiculi and tracts of spinal white matterCh. 14 - Prob. 14.1.10AYLOCh. 14 - Prob. 14.1.11AYLOCh. 14 - Prob. 14.1.12AYLOCh. 14 - Prob. 14.1.13AYLOCh. 14 - Prob. 14.2.1AYLOCh. 14 - The differences between afferent and efferent...Ch. 14 - Prob. 14.2.3AYLOCh. 14 - Prob. 14.2.4AYLOCh. 14 - The number of spinal nerves and the system for...Ch. 14 - The structure of the proximal portion of a spinal...Ch. 14 - Prob. 14.2.7AYLOCh. 14 - The five plexuses of spinal nerves-their names,...Ch. 14 - Prob. 14.3.1AYLOCh. 14 - The components of a reflex arc and the path...Ch. 14 - Prob. 14.3.3AYLOCh. 14 - The differences between ipsilateral,...Ch. 14 - Prob. 14.3.5AYLOCh. 14 - Prob. 14.4.1AYLOCh. 14 - Prob. 14.4.2AYLOCh. 14 - Prob. 14.4.3AYLOCh. 14 - Below L2, the vertebral canal is occupied by a...Ch. 14 - The brachial plexus gives rise to all of the...Ch. 14 - Prob. 3TYRCh. 14 - Prob. 4TYRCh. 14 - Prob. 5TYRCh. 14 - Prob. 6TYRCh. 14 - In the spinal cord, the neurosomas of the lower...Ch. 14 - Prob. 8TYRCh. 14 - Prob. 9TYRCh. 14 - Prob. 10TYRCh. 14 - Prob. 11TYRCh. 14 - Prob. 12TYRCh. 14 - Prob. 13TYRCh. 14 - Motor innervation of the leg proper comes...Ch. 14 - Prob. 15TYRCh. 14 - The _______ nerves arise from the servical plexus...Ch. 14 - The crossing of a nerve fiber actract from the...Ch. 14 - Prob. 18TYRCh. 14 - Prob. 19TYRCh. 14 - Prob. 20TYRCh. 14 - Prob. 1BYMVCh. 14 - Prob. 2BYMVCh. 14 - Prob. 3BYMVCh. 14 - Prob. 4BYMVCh. 14 - State a meaning of each word element and give a...Ch. 14 - Prob. 6BYMVCh. 14 - Prob. 7BYMVCh. 14 - Prob. 8BYMVCh. 14 - Prob. 9BYMVCh. 14 - Prob. 10BYMVCh. 14 - Prob. 1WWWTSCh. 14 - Prob. 2WWWTSCh. 14 - Prob. 3WWWTSCh. 14 - Briefly explain why each of the following...Ch. 14 - Prob. 5WWWTSCh. 14 - Prob. 6WWWTSCh. 14 - Prob. 7WWWTSCh. 14 - Briefly explain why each of the following...Ch. 14 - Prob. 9WWWTSCh. 14 - Briefly explain why each of the following...Ch. 14 - Prob. 1TYCCh. 14 - Prob. 2TYCCh. 14 - Anthony gets into a fight between rival gangs. As...Ch. 14 - When a patient needs a tendon graft, surgeons...
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- A motor unit associated with the stimulation of skeletal muscle is designated as a 1:8 motor unit. Which of the following statements is correct? The motor unit consists of one somatic neuron and 8 myofibers (muscle fibers) Each of the myofibers in the motor unit is innervated by more than one neuron It is part of the autonomic nervous system The neuron in the motor unit is an afferent neuronarrow_forwardIn a general sense, how do skeletal muscles produce movement?arrow_forwardWhy is the innervation of single-unit smooth muscle often restricted to only a few cells in the tissue?arrow_forward
- Repetitive extension of the hand at the wrist and abduction of the hand can lead to lateral epicondylitis. Although sometimes called "tennis elbow". it more often affects individuals who don't play tennis. Based on the name lateral epicondylitis and the action described above, which muscle would most likely have microscopic tears in the tendon?arrow_forward________and______ muscles are striped because they have a regular alignment of sarcomeres.______and_______ muscles are usually not under conscious control._______ And________ muscles are interconnected by gap junctions.arrow_forwardHow would you explain the following observation? When motor nerve fibers in the leg are severed, the muscles they innervate become paralyzed; however, in time, control over the muscles often returns.arrow_forward
- Muscle cells are stimulated by neurotransmitters released from the synaptic terminals of what structures? T tubules motor neuron axons. sensory neuron axons motor neuron dendrites. sensory neuron dendrites.arrow_forwardWhich statement or statements describe the role of calcium in the stimulation of muscle fibers? Select all that apply. When the action potential reaches the axon terminals of a neuron, calcium channels open and calcium floods into the axon terminal, triggering the release of synaptic vesicles. When calcium ions flood out of the sarcoplasmic reticulum, they bind troponin molecules and troponin removes tropomyosin from the active sites on thin filaments. When myosin thick filaments are walking along actin thin filaments (the cross bridge cycle), calcium ions must be available to bind to myosin so that it can let go of the thin filaments and take another "step". When synaptic vesicles fuse with the plasma membrane of axon terminals, calcium is released into the synaptic cleft and binds to receptors in the motor end plate.arrow_forwardHow does the brain initiate a muscle contraction? Please order the steps that occur at the neuromuscular junction. Arrange responses in the correct order to answer the question.arrow_forward
- How is an aponeurosis functionally similar to a tendon?arrow_forwardWhich of the following step(s) about the excitation of skeletal muscle is/are incorrect? 1. Acetylcholine is released and binds to motor end plate receptors 2. An action potential is created and moves down T-tubules 3. Calcium is released from the sarcoplasmic reticulum 4. Calcium ions bind to tropomyosin to shift troponin off the binding sites for cross-bridging 5. Myosin forms cross-bridges and binds with actin to pull it towards middle of sarcomerearrow_forwardA physically active 13-year-old boy is complaining of pain at the posterior heel below the attachment of the achilles tendon. What are the possible reasons for his pain and what is the most likely cause? Explain your reasoning. What is the anatomical significance of the location of his pain? Does his age make a difference in how he should be managed? Are there any risks in ignoring the problem? Are there other locations in the body in which similar conditions occur?arrow_forward
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