Anatomy and Physiology by OpenStax
17th Edition
ISBN: 9781506698021
Author: J. Gordon Betts;Dean H. Kruse;Kelly A. Young;Peter DeSaix;Brandon Poe;Oksana Korol;James A. Wise;Eddie Johnson;Jody E. Johnson;Mark Womble
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 14, Problem 26RQ
What is the name for the topographical representation of the sensory input to the somatosensory cortex?
- homunculus
- homo sapiens
- postcentral gyms
- primary cortex
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Chapter 14 Solutions
Anatomy and Physiology by OpenStax
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...
Ch. 14 - Watch this video...Ch. 14 - What type of receptor cell is responsible for...Ch. 14 - Which of these cranial nerves is part of the...Ch. 14 - Which submodality of taste is sensitive to the pH...Ch. 14 - Axons from which neuron in the retina make up the...Ch. 14 - What type of receptor cell is involved in the...Ch. 14 - Which of these sensory modalities does not pass...Ch. 14 - Which nucleus in the medulla is connected to the...Ch. 14 - Visual stimuli in the upper-left visual field will...Ch. 14 - Which location on the body has the largest region...Ch. 14 - Which of the following is a direct target of the...Ch. 14 - Which region of the frontal lobe is responsible...Ch. 14 - Which exuapyramidal tract incorporates equilibrium...Ch. 14 - Which region of gray matter in the spinal cord...Ch. 14 - What type of reflex can protect the foot when a...Ch. 14 - What is the name for the topographical...Ch. 14 - The sweetener known as stevia can replace glucose...Ch. 14 - Why does the blind spot from the optic disc in...Ch. 14 - Following a motorcycle accident, the victim loses...Ch. 14 - A pituitary tumor can cause perceptual losses in...Ch. 14 - The prefrontal lobotomy is a drastic—and largely...Ch. 14 - If a reflex is a limited circuit within the...
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- In the ___, neurons are arranged like maps that correspond to different parts of the body surface. a. retina b. somatosensory cortex c. basilar membrane d. occipital lobearrow_forwardWhich receptor is responsible for tendon reflexes? Muscle Spindles Golgi Tendon Organs Pacinian Corpuscles Korra Monstersarrow_forwardAccording to the somatotopic map of the primary somatosensory cortex (S1), the amount of sensory information received is proportional to the size of the body part it maps to. True O Falsearrow_forward
- What are the main pathway(s) for immediate reaction to something that is suspicious? Descending auditory cortico-thalamic pathway to the basilar nucleus Ascending retina-thalamic pathways to the amygdala Ascending dorso-medial thalamic sensory pathways to the amygdala Superior colliculus to the mastication musclesarrow_forwardThe cell bodies for somatosensory receptors from the body are located in what structure? the dorsal horn O the dorsal root ganglion the dorsal column the medial lemniscusarrow_forwardAll sensory organs relay information through the thalamus but not in the same way. How does the pathways of information from sensory organs to the primary sensory vortices and organization differ between the 3 systems? How are they the same? You may focus on one of the somatosensory pathways (touch or pain/ temp)arrow_forward
- The sensory system is involved in all except Initiation of reflex movement Initiation of voluntary movement Learning process Initiation of emotional responsearrow_forwardA lesion to the medial lemniscus results in what type of sensory loss? Ipsilateral TPV C1 down Contralateral TPV C1 down Ipsilateral loss of pain and temperature C1 down Ipsilateral loss of pain and temperature L1 down Contralateral TPV and CP proprioception at L1 A lesion to the left anterior corticospinal tract at T3 would result in which of the following loss? Ipsilateral unconscious proprioception from T3 down Contralateral unconscious proprioception from T3 down Ipsilateral unconscious proprioception at T3 Ipsilateral unconscious proprioception from L1 down Contralateral unconscious proprioception from L1 down A lesion of the dorsal root ganglion at L4 would result in which of the following? Ipsilateral loss of all sensation L4 down Ipsilateral loos of all sensation at L4 dermatome Contralateral loss of all sensation at L4 dermatome Contralateral loss of all sensation at L4 down Contralateral loss of touch, pressure, and vibration at L4 A lesion to the lateral…arrow_forwardIf a human suffers a hand amputation as an adult, what will happen to the area of the somatosensory cortex that previously received information from the lost hand? The projections from the hand will still be there, but will be inactive. The projections from the hand will die, and that area of the cortex will be empty. Projections from the face and neighboring limb will expand to control that cortical area. That cortical area will die.arrow_forward
- Which of the following nerve fibers exhibits EFFERENT nerve function? Group of answer choices: Facial nerve receiving gustatory impulses from the tongue Trochlear nerve activating extraocular muscles Optic nerve carrying photo signals Trigeminal nerve sending pain, touch and temperature sensations from your face to your brainarrow_forwardWhat is the best physiological explanation as to why a particular area has a low two-point threshold? A greater skin surface area always results in a lower two-point threshold because there is physically more room in which to house sensory receptors. With a low two-point threshold, there is a greater density of sensory receptors to allow for more precise location of the sensation by the somatosensory cortex. O A low threshold suggests a decreased sensation in that area, meaning a wide receptive field on that area of skin.arrow_forwardAfferent sensory information from the periphery will: Go directly towards Central Nervous System Synapse with interneurons in the spinal cord Synapse with lower motor neurons (LMN) All of the above are correctarrow_forward
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