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
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 14, Problem 20RQ
Which location on the body has the largest region of somatosensory cortex representing it, according to the sensory homunculus?
- lips
- thigh
- elbow
- neck
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Which of the following words is not associated with the spinoreticular tract?
pain
cutaneous receptors
descending tracts
dorsal root ganglion
all of the above are associated
Which of the following statements about the corpus callosum is false?
The corpus callosum is inferior to the cerebrum.
The corpus callosum is anterior to the brainstem.
The corpus callosum is lateral to the hippocampus.
The corpus callosum is caudal to the olfactory bulbs.
According 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 False
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...
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...
Additional Science Textbook Solutions
Find more solutions based on key concepts
21. Two -diameter aluminum electrodes are spaced apart.
The electrodes are connected to a battery.
...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
In tomato plants, purple leaf color is controlled by a dominant allele A, and green leaf by a recessive allele ...
Genetic Analysis: An Integrated Approach (3rd Edition)
Johnny was vigorously exercising the only joints in the skull that are freely movable. What would you guess he ...
Anatomy & Physiology (6th Edition)
MAKE CONNECTIONS The gene that causes sickle-cell disease is present in a higher percentage of residents of su...
Campbell Biology (11th Edition)
4. What five specific threats to biodiversity are described in this chapter? Provide an example of each.
Biology: Life on Earth (11th Edition)
What is the difference between cellular respiration and external respiration?
Human Physiology: An Integrated Approach (8th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The 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_forwardWhich parts of the body have the greatest amount of space dedicated to them in the primary somatosensory cortex?Why?arrow_forwardWhich 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_forward
- Dorothy received a severe blow to her head and can no longer move the fingers on her right hand The area of her brain that may be damaged is the right somatosensory cortex left parietal lobe left motor cortex central neural cortexarrow_forwardWhich of the following tracts and decussation is correctly matched? Lateral pyramidal tract – decussation in the spinal cord Reticulospinal tract – decussation in the spinal cord Anterior pyramidal tract – decussation in the spinal cord Rubrospinal tract – decussation in the spinal cordarrow_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
- The signal must travel from the to the cerebral cortex to have conscious awareness of the sensation. Cerebellum Thalamus Ponsarrow_forwardFigure shows a map of the specific areas of the primary somatosensory cortex that represent areas of the body. The cerebral cortex localizes the precise area of the body that sends sensory nerve impulses. Based on the size of the area represented on the cortex and the size of the body area, circle which body area has the greatest density of receptors:1. The lips or the hip2. The tongue or the toes3. The foot or the handarrow_forwardAs a result of injury of the spinal cord the victim had a loss of tactile sensitivity, sense of body position and vibration. What conducting tracts are damagedarrow_forward
- Two major somatosensory ascending pathways in the spinal cord, for touch and proprioception and pain and temperature, respectively, as discussed in class, are: gracile fasciculus; cuneate fasciculus dorsal column medial lemniscal system; anterolateral system posterior spinocerebellar tract; anterior spinocerebellar tract lateral corticospinal tract; anterior corticospinal tractarrow_forwardYou are recording from a touch receptor in skin. When you stimulate a spot on the skin, the receptor fires continuously until you stop the skin stimulation. Which of the following pieces of information would you need to be able to identify what kind of receptor this is? Group of answer choices Whether the area of skin that can activate this receptor is big or small Whether the receptor sends its output to the somatosensory cortex or not You don’t need any more information; you can identify this receptor just from the information provided Whether the touch receptor is connected to an Alpha-Delta fiber or a C-fiberarrow_forwardWhat 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_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage Learning
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning
The Sensorimotor System and Human Reflexes; Author: Professor Dave Explains;https://www.youtube.com/watch?v=M0PEXquyhA4;License: Standard youtube license