Neurons and the Autonomic Nervous System

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Questions and Answers

What type of neurons carry information from the Central Nervous System to the muscles?

  • Afferent neurons
  • Motor neurons
  • Sensory neurons
  • Efferent neurons (correct)

Which division of the autonomic nervous system is associated with preparing the body for stress-related activities?

  • Somatic division
  • Sympathetic division (correct)
  • Parasympathetic division
  • Motor division

What does 'afferent' mean in terms of neuron function?

  • Moving toward (correct)
  • Transmitting motor signals
  • Causing muscle contractions
  • Moving away from

Which division of the autonomic nervous system is involved in returning the body to routine, day-to-day operations?

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

How many types of neurons are typically found within a single nerve?

<p>Thousands of both efferent and afferent neurons (B)</p> Signup and view all the answers

Which system controls involuntary functions of internal organs and glands?

<p>Autonomic nervous system (A)</p> Signup and view all the answers

What is the function of the somatic nervous system?

<p>Relays sensory and motor information consciously (D)</p> Signup and view all the answers

Which part of the nervous system is responsible for controlling volitional behaviors?

<p>Somatic Nervous System (D)</p> Signup and view all the answers

What is the main function of the autonomic nervous system?

<p>Regulates involuntary actions (A)</p> Signup and view all the answers

Which division of the central nervous system consists of the brain, brain stem, and spinal cord?

<p>Central Nervous System (A)</p> Signup and view all the answers

What types of neurons are involved in the somatic nervous system?

<p>Both sensory and motor neurons (C)</p> Signup and view all the answers

Which part of the nervous system interacts with the peripheral nervous system?

<p>Central Nervous System (D)</p> Signup and view all the answers

What are the main components of the central nervous system?

<p>The brain, the brainstem, and the spinal cord (A)</p> Signup and view all the answers

Which part of the central nervous system is responsible for activities like sensation, perception, thinking, and emotions?

<p>The brain (A)</p> Signup and view all the answers

How do the brain and spinal cord communicate with each other?

<p>Through electrical signals sent by neurons (C)</p> Signup and view all the answers

Which of the following is NOT a function of the central nervous system?

<p>Digesting food (C)</p> Signup and view all the answers

How many neurons are approximately present in the human brain?

<p>About 100 billion neurons (D)</p> Signup and view all the answers

Which term refers to the 'information synthesising' function performed by the central nervous system?

<p>Motor output based on sensory input (A)</p> Signup and view all the answers

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