1) Which type of neuron is used to control motor units because they send 1 message to many places?
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1 Class: import Description: Test: neuron quiz Test Points: 37 Test Number: Printed: 6-April-09 07:44 1) Which type of neuron is used to control motor units because they send 1 message to many places? Multipolar Neuron Bipolar Neuron Unipolar Neuron Pyrimidal Neuron 2) Which type of neuron summerizes a lot of information into 1 averaged message? Unipolar Neuron Bipolar Neuron Pyrimidal Neuron Multipolar Neuron 3) where do you find unipolar nurons nerve endings and sensory organs in the cerebrum The spinal cord 4) What material do the Schawwn cells make? myelin myosin Node of Ranvier soma 5) what neuron connects two neurons or two small groups of neurons bipolar neurons multipolar neurons unipolar neurons pyramidal neurons 6) What makes Myelin? myelin
2 the axon the soma the spinal cord 7) What are the cells called that surround the axon? Schwann cells axon cells myelin cells surrounding cells 8) what is the body of a neuron called soma astreosites axon dendrite 9) Which type of neuron is used to control motor units? Multipolar Neuron Bipolar Neuron Unipolar Neuron Pyrimidal Neuron 10) What do the dendrites of the neuron do? they detect change and bring in information all parts are located sends information to places make equilibrium possible 11) Which type of neuron functions like a switch (sending messages sometimes and blocking messages at other times)? Bipolar Unipolar Multipolar Pyramidal 12) What's wrapped around the axon in non-myelinated neurons (grey matter)? schwann cell dendrites soma nothing is
3 13) What does a Pyramidal neuron do? Input: many messages, Output: many messages Input: many messages, Output: single message Input: single message, Output: many messages Input single message, Output: single message 14) What does the myelin sheath do? insulation reciever protects cell gathers information 15) If an axon is damaged, what acts as a path for the newly generating axon? myelin sheaths dendrites m & m's axon terminals 16) What part of the neuron gathers the information. dendrites neuroglia axon body 17) What function do astrocytes peform? Provide support and nourishment Provide electrical insulation Remove waste Lines ventricles 18) What does the Astrocyte do? form myelin within the brain for electrical insulation support and nourishment remove bacteria and cellular debris, especially after brain trauma line ventricles and spinal canal to contain cerebrospinal fluid 19) which one is not a type of neuroglia neuron astrocytes
4 oligodendrocyts mircoglia 20) What does the Neuroglia do? Cares for brain cells processes the memory makes myelin breaks down fat 21) what is the function of the microglia? removal of waste support and nourishment reflexs electrical insulation 22) What forms myelin within the brain for electrical insulation? oligodendrocytes astrocytes Microglia Ependyma 23) What is the purpose of a microglial cell? Remove bacteria and waste support and nourishment rebuilding damanged axons provide a barrier 24) What cell feeds the nerve? astrocytes dendrites microgial ependyma 25) What is the literal meaning of neurolgia? Nerve glue transmitter STD perfume 26) What type of neuroglia feeds the neurons.
5 astrocytes microglia ependyma oligodendrocytes 27) Which ways do nerve impulses go within one neuron? one way two ways three ways four ways 28) what does it mean to be a one way impulse? synapse can only carry impulse in one direction you can carry one type of impulse you can carry impulses two ways it is hard wired to many parts of the brain 29) What is the name of the stimulus that is the minimum to send a message Threshold Stimulus Maximum Stimulus Subtle Stimulus Stimuli Stimulus 30) Explain one way nerve impulses synapse can only carry impulse in one direction every nerve is hard wired to a specific park of the brain Sends the impulses two ways The nerve sends an impulse or it doesn't 31) What is specificity of receptors? all nerves are wired to a specific spot all or none one way impulses threshold stimulus 32) What is the all or none principle mean? Nerve sends an impule or it doesn't Nerve sends half an impulse
6 All nerve cells send the same message at once A nerve message is made of different strength nerve impulses 33) This is a Point and Click question. You must click the media button to see the image. Click on the Soma. 34) This is a Point and Click question. You must click the media button to see the image. Click on a dendrite.
7 35) This is a Point and Click question. You must click the media button to see the image. Click on the axon.
8 36) This is a Point and Click question. You must click the media button to see the image. Click on a Schwann Cell.
9 37) This is a Point and Click question. You must click the media button to see the image. Click on a Node of Ranvier.
10
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