22 The part of the central nervous system that conducts information to arid from thebrain is theO spinal cord.motor neuron.O medulla oblongata.O cerebellumO sensory neuron.

Name: 22 The part of the central nervous system that conducts information to
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Description: 22 The part of the central nervous system that conducts information to arid from thebrain is theO spinal cord.motor neuron.O medulla oblongata.O cerebellumO sensory neuron.

Motor neurons are components of peripheral nervous system which conduct efferent impulses from the…

Science

Biology

22

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter16: The Body's System

Section: Chapter Questions

Problem 25RQ: The part of the brain that is responsible for coordination during movement is the ______. a. limbic...

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Watch this video (http://openstaxcollege.org/l/graymatter) to learn about the gray matter of the spinal cord that receives input from fibers of the dorsal (posterior) root and sends information out through the fibers of the ventral (anterior) root. As discussed in this video, these connections represent the interactions of the CNS with peripheral structures for both sensory and motor functions. The cervical and lumbar spinal cords have enlargements as a result of larger populations of neurons. What are these enlargements responsible for?
The corpus callosum is a broad band of axons which carry impulses between O gyri of the same hemisphere. O the cerebrum to the brainstem. O the brains stem and the spinal cord. O the gyri in opposite hemispheres.
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
DRAW IT The reflex that pulls your hand away when you prickyour finger on a sharp object relies on a neuronal circuit withtwo synapses in the spinal cord. (a) Using a circle to represent across section of the spinal cord, draw the circuit. Label the typesof neurons, the direction of information flow in each, and thelocations of synapses. (b) Draw a simple diagram of the brainindicating where pain would eventually be perceived.
Most of the neurons from the fasciculus gracilis synapse in the inferior thoraxand enter the spinocerebellar system, whereas most of the neurons fromthe fasciculus cuneatus synapse in the nucleus cuneatus and then continueto the thalamus and cerebrum. Therefore, it can be deduced that most ofthe proprioception from the lower limbs is unconscious and most of theproprioception from the upper limbs is conscious. Explain why this differencein the two sets of limbs is of value.
Communication between the motor cortex and the spinal cord is likely to be mediated by fiber tracts. commissural O corpus callosum O projection association none of the answers. 身
After hitting your thumb accidentally with a hammer, you quickly withdraw your hand. You donot feel pain for a short period of time. This sequence of events may be explained by the fact that theA. threshold of the receptor has been so greatly exceeded that the neuron does not pass themessage to the brainB. neural impulse is so large that the brain is unable to interpret the signal because it is beyond therange of toleranceC. neural processing occurred in the spinal cord first, which caused you to quickly remove yourthumb from further damageD. sensory receptors in the thumb were damaged by the blow and are unable to initiate a stimulusto the sensory nerve
All of the following are true about cranial nerves except : * The 2nd cranial nerve related to sense of vision. The 1st cranial nerve related to sense of smell. The 8th cranial nerve related to sense of hearing. There are 10 pairs of cranial nerves. : Connective tissue that attaches bone to bone at a joint. * The non striated muscle The striated muscle The tendon O The ligament
Which of the following is/are a component of the central nervous system (CNS)? Select all that apply. O Cranial nerves O Ventral roots Brain Spinal cord O Spinal nerves
Contrast the somatic nervous system with the ANS foreach of the following:a. number of neurons between the CNS and the effectororganb. location of neuron cell bodiesc. structures each innervatesd. inhibitory or excitatory effectse. conscious or unconscious controlf. neurotransmitter(s) used
Gray matter and white matter are the two types of brain matter found in the central nervous system. Gray matter contains nerves that are and white matter contains nerves that are O Unmyelinated , Unmyelinated O Myelinated , Unmyelinated O Myelinated, Myelinated O Unmyelinated , Myelinated
The somatic portions of the nervous system innervate: O your brachialis O everything on this list O your heart your blood vessels your intestines