Nervous System: Brain and Spinal Cord
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Questions and Answers

What is the main function of the spinal cord in the CNS?

  • To analyze information from the external environment
  • To regulate consciousness and thinking
  • To connect the brain to the spinal nerves and facilitate information exchange (correct)
  • To control involuntary body activities

Which system is responsible for regulating involuntary body activities such as heart beats and respiration?

  • Enteric Nervous System (ENS)
  • Peripheral Nervous System (PNS)
  • Central Nervous System (CNS)
  • Autonomic Nervous System (ANS) (correct)

What is the primary function of the brain in the CNS?

  • To connect to the spinal nerves
  • To regulate involuntary body activities
  • To receive and analyze information from the external environment (correct)
  • To control the movement of the GIT

What is the main difference between the cranial nerves and the spinal nerves?

<p>The cranial nerves are connected to the brain directly, while the spinal nerves are connected indirectly via the spinal cord (B)</p> Signup and view all the answers

What is the function of the Autonomic Nervous System (ANS) in the PNS?

<p>To regulate involuntary body activities such as heart beats and respiration (A)</p> Signup and view all the answers

What is the primary function of the CNS?

<p>To receive and analyze information from the external environment (C)</p> Signup and view all the answers

What is the primary function of the frontal lobe?

<p>Voluntary movement, speaking, and thinking (C)</p> Signup and view all the answers

What is the arrangement of neurons and glial cells in the brain?

<p>Neurons are gathered in the outer zone of the brain, forming the 'gray matter', while glial cells occupy the inner zone. (C)</p> Signup and view all the answers

Which part of the brain controls the left side of the body?

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

What is the function of the nuclei in the brainstem?

<p>Control of sleep, cranial nerves, and respiratory system (D)</p> Signup and view all the answers

What is the structure of the spinal cord?

<p>White matter outside and gray matter inside (D)</p> Signup and view all the answers

What is the function of the ascending and descending bundles of nerve fibers in the spinal cord?

<p>Transportation of signals from and to the brain (D)</p> Signup and view all the answers

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