Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 13, Problem 21RQ
What region of the spinal cord contains motor neurons that direct the movement of skeletal muscles?
- anterior hom
- posterior horn
- lateral horn
- alar plate
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When you touch a hot stove, action potentials are SENT to which part of the spinal
cord?
Anterior Horn
Posterior Horn
O Lateral Horn
O Central Canal
Which type of neuron is existed in motor
ganglion of the ventral root of spinal cord?
Bipolar neuron
Sensory neuron
Unipolar neuron
Multipolar neuron
Which statement is NOT true with respect to a posterior root of the spinal cord?
O Is considered sensory
O Is considered afferent
Cell bodies are housed outside the spinal cord
Can contain somatic and/or autonomic information
O Cell bodies are housed inside the spinal cord
Chapter 13 Solutions
Anatomy & Physiology
Ch. 13 - Watch this animation...Ch. 13 - Watch this video...Ch. 13 - Watch this video...Ch. 13 - Watch this video...Ch. 13 - Watch this video...Ch. 13 - Compared with the nearest evolutionary relative,...Ch. 13 - Watch this animation...Ch. 13 - Watch this video...Ch. 13 - Watch this animation...Ch. 13 - Figure 13.20 If you zoom in on the DRG, you can...
Ch. 13 - Figure 13.22 To what structures in a skeletal...Ch. 13 - Visit this site...Ch. 13 - Aside from the nervous system, which other organ...Ch. 13 - Which primary vesicle of the embryonic nervous...Ch. 13 - Which adult structure(s) arises from the...Ch. 13 - Which non-nervous tissue develops from the...Ch. 13 - Which structure is associated with the embryologic...Ch. 13 - Which lobe of the cerebral cortex is responsible...Ch. 13 - What region of the diencephalon coordinates...Ch. 13 - What level of the brain stem is the major input to...Ch. 13 - What region of the spinal cord contains motor...Ch. 13 - Brodmanns areas map different regions of the...Ch. 13 - What blood vessel enters the cranium to supply the...Ch. 13 - Which layer of the meninges surrounds and supports...Ch. 13 - What type of glial cell is responsible for...Ch. 13 - Which portion of the ventricular system is found...Ch. 13 - What condition causes a stroke? inflammation of...Ch. 13 - What type of ganglion contains neurons that...Ch. 13 - Which ganglion is responsible for cutaneous...Ch. 13 - What is the name for a bundle of axons within a...Ch. 13 - Which cranial nerve does not control functions in...Ch. 13 - Which of these structures is not under direct...Ch. 13 - Studying the embryonic development of the nervous...Ch. 13 - What happens in development that suggests that...Ch. 13 - Damage to specific regions of the cerebral cortex,...Ch. 13 - Why do the anatomical inputs to the cerebellum...Ch. 13 - Why can the circle of Willis maintain perfusion of...Ch. 13 - Meningitis is an inflammation of the meninges that...Ch. 13 - Why are ganglia and nerves not surrounded by...Ch. 13 - Testing for neurological function involves a...
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- Which of the following nerves controls movements of the neck? oculomotor vestibulocochlear spinal accessory hypoglossalarrow_forwardThe ventral root of spinal nerves contains a sensory neurons. b motor neurons. c efferent neurons. d interneurons.arrow_forwardEach spinal nerve branches into a ventral and dorsal: ganglion root tract plexus ramusarrow_forward
- Spinal nerves: Are part of the peripheral nervous system (PNS) Connect the central nervous system (CNS) to the sensory receptors and effectors in all parts of the body Are named according to the region of the vertebral column from which they emerge Are mixed nerves Only transmit sensory function Only transmit motor function Group of answer choicesarrow_forwardThe ventral root of spinal nerves contains___neurons, whereas the dorsal root contains___neuronsarrow_forwardWatch this video (http://openstaxcollege.org/l/graymatter) to learn about the gray matter of the spinalcord that receives input from fibers of the dorsal (posterior)root and sends information out through the fibers of theventral (anterior) root. As discussed in this video, theseconnections represent the interactions of the CNS withperipheral structures for both sensory and motor functions.The cervical and lumbar spinal cords have enlargements asa result of larger populations of neurons. What are theseenlargements responsible for?arrow_forward
- The dorsal root of a spinal nerve has axons on what neurons?arrow_forwardThe gray matter of the spinal cord is to the white matter of the spinal cord. deep superficialarrow_forwardWhich one of the following is not a major function of the spinal cord? O conduction locomotion cognition reflexesarrow_forward
- Complete transection of the spinal cord produces all of the following effects, except :-a- permanent loss of all sensations mediated by the cord below level of lesionb- permanent loss of voluntary movements by muscles innervated by the cord below level of lesionc- permanent loss of reflexes mediated by the cord below level of lesiond- temporary loss of micturition reflexesarrow_forwardA 25-year-old soldier suffers a gunshot wound on the lower part of his back and is unable to move his legs. A neurologic examination and magnetic resonance imaging (MRI) scan reveal injury of the cauda equina. No other dysfunction is noted. Damage to the following structure could explain the inability to move his legs: ventral roots of the lumbar spinal nerves. O True Falsearrow_forwardEach section of the spinal cord corresponds to a particular region on the body where sensory receptors are connected especially to the skin). These regions of the body are called _____. (plural, lowercase)arrow_forward
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