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 14, Problem 29CTQ
Following a motorcycle accident, the victim loses the ability to move the right leg but has normal control over the left one, suggesting a hemisection somewhere in the thoracic region of the spinal cord. What sensory deficits would be expected in terms of touch versus pain? Explain your answer.
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Students have asked these similar questions
In some cases, phantom limb pain appears to be related to the patient's perception that the phantom limb is held in an uncomfortable position.
True or False?
Explain the ascending pathway of how the information about touch sensation travels from the right arm up to the brain where he is aware that he has been touched. (Use complete sentences.) Use these key words in this order: sensory neuron, radial nerve in brachial plexus, spinal nerve, dorsal root ganglion, dorsal root, dorsal horn in cervical spinal cord, ascending tract, decussate, somatosensory cortex in postcentral gyrus, parietal lobe, Mr. Dexter thinks “Someone touched my arm.”)
In the _____ pathway involving slow pain, the first neuron passes from a pain receptor to the posterior horn of the spinal cord, the second neuron crosses over and passes to the thalamus where it causes poorly localized sensations of aching pain.
options:
lateral spinothalamic
vestibulospinal
dorsal column medial lemniscal
lateral corticospinal
Chapter 14 Solutions
Anatomy & Physiology
Ch. 14 - Watch this video...Ch. 14 - Figure 14.9 The basilar membrane is the thin...Ch. 14 - Watch this video...Ch. 14 - Watch this animation...Ch. 14 - Watch this video...Ch. 14 - Watch this video...Ch. 14 - The inability to recognize people by their faces...Ch. 14 - Watch this video...Ch. 14 - Visit this site...Ch. 14 - Watch this video...
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Similar questions
- Describe the similarities between pain and the other somatic sensations. Describe the differences.arrow_forwardRegarding Spinal Cord Lesions: Damage to the lateral spinothalamic and anterior spinothalamic tracts results in contralateral loss of sensation. Why does damage to the dorsal columns result in ipsilateral loss of sensation, when this pathway also crosses the midline? Thank you.arrow_forwardWhy are some painful sensations perceived at a distance from the site of injury (referred)?arrow_forward
- A patient with a cerebral lesion exhibits loss of fine motor control ofthe left hand, arm, forearm, and shoulder. All other motor and sensoryfunctions appear to be intact. Describe the location of the lesion asprecisely as possiblearrow_forwardwhy does the injury of the spinal cord at the lumbar region would lead to paralysis and loss of sensations of the lower limbs (legs)?arrow_forwardA person with a spinal cord injury is experiencing loss of pain sensation in his left leg and loss of tactile sensation in his right leg. On which side of the spinal cord is the injury located? Explainarrow_forward
- describe the difference between pain and other somatic sensations describe the similarities between pain and other somatic sensationsarrow_forwardIn a syndrome called word blindness, a person loses the ability to read (even single letters), although the person can still see and speak. What is a possible neurological explanation? That is, can you imagine a pattern of brain damage that might produce this result?arrow_forwardComplete 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_forward
- A child has one eye that seems to move medially on its own at rest, and she is unable to move the eye laterally. You are told this is a strabismus due to malfunction of one of the cranial nerves. Which nerve and which muscle are affected? Explain your answerarrow_forwardUnilateral Cerebral strokes can cause deficits in motor control, somatic sensation and vision. However, they do not cause deficits in hearing. The explanation for this is: Auditory information does not reach the cortex Auditory information only goes to one hemisphere. Auditory information goes to both hemispheres How are the outer segments of photoreceptors positioned? between bipolar cells and horizontal cells in the outermost layer of the retina in the ganglion cell layer farthest from the pigment epitheliumarrow_forwardFill out the information indicated for tactile receptors in the table below: Name Structure Location Function. (encapsulated or unencapsulated?) Tactile disc Tactile corpuscle Free nerve endings End bulb Bulbous corpuscle Root hair plexus Lamellated corpusclearrow_forward
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