Peripheral Nervous System can be separated into Controls voluntary movements of skeletal muscle and responses to conscious senses Controls involuntary stimulation of muscles and organs and responses to unconscious stimuli within the body Promotes a relaxed state Associated with a fight or flight response

Peripheral Nervous System can be separated into Controls voluntary movements of skeletal muscle and responses to conscious senses Controls involuntary stimulation of muscles and organs and responses to unconscious stimuli within the body Promotes a relaxed state Associated with a fight or flight response

An Illustrated Guide To Vet Med Term

4th Edition

ISBN:9781305465763

Author:ROMICH

Publisher:ROMICH

Chapter13: Nerves Of Steel

Section: Chapter Questions

Problem 2M

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A person who experienced paralysis occasionally was examined and found to have very lowlevels of potassium in the blood and other tissues. The paralysis likely resulted because of the inabilityofA. capillaries to provide adequate blood flowB. axon terminals to break down acetylcholineC. neurons to repolarize during the refractory periodD. neurons to remove acetylcholine from the synapse
Sufficient sleep is important, particularly during childhood and adolescence, because it is when most LTP occurs O is when most synaptic pruning occurs Ostrengthens learning and memories O all of these
What is an example of asituation in which the neuroncell body is located in a part ofthe body and its axonalterminal portion is in anotherdistant part of the body? Whydoes this happen?
Visit this site (http://openstaxcollege.org/l/neurolab)to see a virtual neurophysiology lab, and to observeelectrophysiological processes in the nervous system,where scientists directly measure the electrical signalsproduced by neurons. Often, the action potentials occur sorapidly that watching a screen to see them occur is nothelpful. A speaker is powered by the signals recorded froma neuron and it “pops” each time the neuron fires an actionpotential. These action potentials are firing so fast that itsounds like static on the radio. Electrophysiologists canrecognize the patterns within that static to understand whatis happening. Why is the leech model used for measuringthe electrical activity of neurons instead of using humans?
JO Sued əSa o1 pojusueJ are which are concerned with the and the maintenance of equilinrium at a subconscious level. b) And to the which is concerned with awareness of motion or changes in position. The following diagram depicts the inner car. Label the parts indicated.
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
This cell provides myelination within the centrallnervous system, allowing for, speed of conduction of the action potential O astrocytes, increased O microglia, decreased O neurons, decreased O oligodendrocytes, increased
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.
Regeneration of a severed axon has a better chance forsuccess in the PNS than in the CNS. Why is regeneration inthe CNS less likely to succeed?
Diagram a simple circuit that includes a sensory neuron thatsynapses with a motor neuron to produce a reflex. Indicatewhere in the nervous system this synapse is found
List the cellular components of the nervous system, and describethe function of each cell type.
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