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 12, Problem 22RQ
What is the target of an upper motor neuron?
- cerebral cortex
- lower motor neuron
- skeletal muscle
- thalamus
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
What function do unipolar neurons provide and where is their cell body found?
They are motor neurons with their cell body in the central nervous system
They are sensory neurons with their cell body located in the central nervous system
They are motor neurons with their cell body located outside of the central nervous system
They are sensory neurons with their cell body located outside of the central nervous system
On this motor neuron,
Add in and label:
dendritic spines
an axon collateral, with
axon terminals
synaptic knobs
myelin on the axon and axon
collateral
synaptic knobs
Draw arrows and label:
ахon
axon terminals
synaptic knobs
cell body
dendrites and dendritic spines
And draw an arrow showing the
direction the action potential
travels.
Somatic sensory and somatic motor information are propagated via specialized
neurons. If you dip your toes in a hot tub before entering the tub, the action
potentials generated by the water temperature travels via which of the following
structures before it can be perceived by you?
O unipolar neurons from the toes to the spinal nerve, ventral root, spinal cord, thalamus,
primary somatosensory cortex
O unipolar neurons from the toes to the spinal nerve, dorsal root, spinal cord, thalamus,
primary somatosensory cortex
O multipolar neurons from the toes to the spinal nerve, ventral root, spinal cord,
thalamus, primary somatosensory cortex
O multipolar neurons from the toes to the spinal nerves, dorsal root, spinal cord,
thalamus, primary somatosensory cortex
Chapter 12 Solutions
Anatomy & Physiology
Ch. 12 - In 2003, the Nobel Prize in Physiology or Medicine...Ch. 12 - Visit this site...Ch. 12 - Visit this site...Ch. 12 - View the University of Michigan Webscope...Ch. 12 - What happens across the membrane of an...Ch. 12 - Visit this site...Ch. 12 - Watch this video...Ch. 12 - Watch this video...Ch. 12 - Which of the following cavities contains a...Ch. 12 - Which structure predominates in the white matter...
Ch. 12 - Which part of a neuron transmits an electrical...Ch. 12 - Which term describes a bundle of axons in the...Ch. 12 - Which functional division of the nervous system...Ch. 12 - What type of glial cell provides myelin for the...Ch. 12 - Which part of a neuron contains the nucleus?...Ch. 12 - Which of the following substances is least able to...Ch. 12 - What type of glial cell is the resident macrophage...Ch. 12 - What two types of macromolecules are the main...Ch. 12 - If a thermoreceptor is sensitive to temperature...Ch. 12 - Which of these locations is where the greatest...Ch. 12 - How long does all the signaling through the...Ch. 12 - What is the target of an upper motor neuron?...Ch. 12 - What ion enters a neuron causing depolarization of...Ch. 12 - Voltage-gated Na+ channels open upon leaching what...Ch. 12 - What does a ligand-gated channel require in order...Ch. 12 - What does a mechanically gated channel respond to?...Ch. 12 - Which of the following voltages would most likely...Ch. 12 - Which of the following is probably going to...Ch. 12 - How much of a change in the membrane potential is...Ch. 12 - A channel opens on a postsynaptic membrane that...Ch. 12 - What neurotransmitter is released at the...Ch. 12 - What type of receptor requires an effector protein...Ch. 12 - Which of the following neurotransmitters is...Ch. 12 - What responses are generated by the nervous system...Ch. 12 - When eating food, what anatomical and functional...Ch. 12 - Multiple sclerosis is a demyelinating disease...Ch. 12 - Which type of neuron, based on its shape, is best...Ch. 12 - Sensory fibers, or pathways, are referred to as...Ch. 12 - If a person has a motor disorder and cannot move...Ch. 12 - What does it mean for an action potential to be an...Ch. 12 - The conscious perception of pain is often delayed...Ch. 12 - If a postsynaptic cell has synapses from five...Ch. 12 - Why is the receptor the important element...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Taking the age of Earth to be about 4109 years and assuming its orbital radius of 1.51011 has not changed and i...
College Physics
Fibrous connective tissue consists of ground substance and fibers that provide strength, support, and flexibili...
Human Biology: Concepts and Current Issues (8th Edition)
If someone at the other end of a room smokes a cigarette, you may breathe in some smoke. The movement of smoke ...
Campbell Essential Biology with Physiology (5th Edition)
Compare the roles of CO2 and H2O in cellular respiration and photosynthesis.
Campbell Biology (11th Edition)
4. Three groups of nonvascular plants are _______, ______, and _______. Three groups of seedless vascular plant...
Biology: Life on Earth (11th 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
- Based on the attached figure (Fig. Box 18B of the textbook), what is the output structure of the basal ganglia for the limbic loop? NON-MOTOR LOOPS Oculomotor loop Prefrontal loop Limbic loop MOTOR LOOPS Body movement loop Primary motor, premotor, supplementary motor cortex Frontal eye field, supplementary eye field Frontal cortex Cortical input Thalamus Pallidum Striatum Motor, premotor, somatosensory cortex Putamen Cortical targets Cortical targets Dorsolateral prefrontal cortex Posterior pariétal, prefrontal cortex Dorsolateral prefrontal cortex Caudate (body) Anterior caudate Cortical targets Anterior cingulate, orbitofrontal cortex Amygdala, hippocampus, orbitofrontal, anterior cingulate, temporal cortex Ventral striatum (nucleus accumbens) Ventral HA Globus pallidus, internal segment Globus pallidus, Internal segment; substantia nigra pars reticulata Globus pallidus, internal segment substantia nigra pars reticulata pallidum Ventral lateral and ventral anterior nuclei Mediodorsal…arrow_forwardTemporal summation refers to: summation of action potentials in the temporal cortex. summation of postsynaptic potentials on a neuron occurring closely together in time. summation of postsynaptic potentials at different places on a neuron at the same time. summation of postsynaptic potentials in the temporal cortex.arrow_forwardMotor Pathways Fill in the blanks with the terms provided. Not all terms will be used. anterior interneurons receptors posterior effectors descending lower upper skeletal muscle Motor pathways are least two motor neurons are present in the motor pathway: an upper motor neuron and a lower motor neuron. The cell body of an within the brain stem. Axons of these synapse either directly on pathways in the brain and spinal cord that control At motor neuron is housed either within the cerebral cortex or a nucleus motor neurons, or on . The cell body of a lower motor neuron is housed either within the spinal cord or within a brainstem cranial nerve nucleus. Axons of the lower motor neurons exit the CNS and horn of the project to to be innervated.arrow_forward
- In the basal ganglia, which of the following occurs? disinhibition results in the inhibition of glutamate onto the thalamus the release of GABA onto the internal segment of the globus pallidus is excitatory In the indirect pathway, disinhibition blocks glutamate release from the subthalamic nucleus In the direct pathway, disinhibition blocks GABA release onto the thalamusarrow_forwardWhy is Parkinson's disease a movement disorder?arrow_forwardCompare and contrast the structure and function of the somatic and autonomic nervous systems, including sites of motor neuron synapses in the CNS, motor neuron differences, efferent pathways, control, function, neurotransmitters and their effects on target organs, target organs, and the effects of denervation.arrow_forward
- Match the neuron structure with its correct function or description. 1. Structure that receives stimuli and carries impulses to the cell body Grey matter 2. Part of the neuron that releases a chemical transmitter across the synapse + Myelin sheath 3. Cells that protect, nourish, and defend neurons + White matter 4. Structure that contains the neuron's nucleus and is the site of the neuron's cell metabolism : Synapse 5. The gap between two myelin sheaths that allows faster conduction of action potential 6. Lipid, fatty insulating layer around some axons that protects the neurons and speeds the impulses along the neuron + Dendrite 7. Unmyelinated neurons in the CNS + Axon 8. Structure that transmits impulses away from the cell body to another neuron, the muscles, or glands Axon terminal 9. Myelinated neurons in the CNS Cell body 10. The gap or junction between two neurons or between a neuron and a muscle Node of Ranvier * Glial cellarrow_forwardwhich of the following is a characteristic of both somatic and autonomic motor pathways? nicotonic acetylcholine receptors voluntary control pre and post ganglionic neurons inhibition of post synaptic. cellsarrow_forwardwhat is the Anatomical location of primarily motor cortex?What type of movement control occurs and What happens if this area is lesioned/injured?arrow_forward
- somatic motor fibers preganglionic visceral motor fibers postganglionic visceral motor fibers visceral somatic sensory fibers sensory fibers Dorsal root Dorsal ramus Dorsal ramus- Dorsal root ganglion Dorsal root Start Ventral ramus Ventral ramus Dorsal root ganglion Rami communicantes Rami communicantes Ventral Sympathetic ganglion root White ramus communicans Start Sympathetic Gray ramus communicans nerve Sympathetic nervearrow_forwardIdentify the location of the cell bodies of lower motor neurons of the lateral corticospinal tract? Ventral horn Dorsal root ganglia Dorsal horn Thalamus Medullaarrow_forwardAn individual diagnosed with CMT has difficulty holding a cup because: a. The myelin in the motor neurons is damaged thereby preventing an impulse frommoving along the axonb. The myelin in the sensory neurons is damaged thereby preventing an impulse frommoving along the axonc. The dendrites in the motor neurons are damaged thereby preventing an impulse frommoving along the axond. The dendrites in the sensory neurons are damaged thereby preventing an impulse frommoving along the axonarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Anatomy & PhysiologyBiologyISBN:9781938168130Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark WomblePublisher:OpenStax College
Anatomy & Physiology
Biology
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
Information Storage and the Brain: Learning and Memory; Author: Professor Dave Explains;https://www.youtube.com/watch?v=PQDiUKwXLVI;License: Standard youtube license