Nervous System Structure and Function
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Questions and Answers

Which part of the nervous system is responsible for voluntary control of skeletal muscle?

  • Central nervous system
  • Somatic nervous system (correct)
  • Autonomic nervous system
  • Peripheral nervous system

What is the role of motor neurons in the peripheral nervous system?

  • Convey signals from the central nervous system to muscles (correct)
  • Convey sensory signals to the central nervous system
  • Interpret signals in the brain
  • Control metabolism of the neurons

What is the function of dendrites in a neuron?

  • Control metabolism of the neuron
  • Receive messages from other cells (correct)
  • Control voluntary muscle movement
  • Pass messages away from the cell body

Which division of the peripheral nervous system is responsible for involuntary control of glands and smooth muscle?

<p>Parasympathetic (B)</p> Signup and view all the answers

Which part of the neuron controls metabolism and maintenance of the cell?

<p>Cell body/Soma (A)</p> Signup and view all the answers

What type of control does the sympathetic division of the autonomic nervous system exhibit?

<p>Fight or flight (A)</p> Signup and view all the answers

What is the function of the myelin sheath in neural transmission?

<p>Insulates the axon and speeds up the transmission of information (A)</p> Signup and view all the answers

Which type of neuron carries messages from the CNS to muscles for movement?

<p>Motor neurons (A)</p> Signup and view all the answers

What is the role of sensory neurons in neural transmission?

<p>Receive messages from the outside world into the CNS (A)</p> Signup and view all the answers

What is the direction of transmission from the dendrites to the axon terminal in neural signaling?

<p>Electrical/neuron (A)</p> Signup and view all the answers

What process involves excess neurotransmitters being re-absorbed by the pre-synaptic neuron?

<p>Reuptake (B)</p> Signup and view all the answers

In what way does the myelin sheath impact neural transmission?

<p>Speeds up transmission by insulating the axon (D)</p> Signup and view all the answers
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