CH 6 : Central Nervous System
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Questions and Answers

What is the main function of the spinal cord?

  • Facilitating voluntary muscle movement
  • Coordinating reflexes independently from the brain (correct)
  • Processing sensory information
  • Interpreting sensory input

Which type of neurons transmit impulses from sense organs to the spinal cord and brain?

  • Photoreceptors
  • Sensory (Afferent) Neurons (correct)
  • Motor (Efferent) Neurons
  • Interneurons

Apart from muscles and glands, which other part of the body do motor neurons transmit impulses to?

  • Spinal Cord
  • Liver (correct)
  • Eyes
  • Brain

What is the role of interneurons in the central nervous system?

<p>Connect sensory and motor neurons (B)</p> Signup and view all the answers

What is the main function of the cerebrum?

<p>Interpreting sensations from sense organs (D)</p> Signup and view all the answers

Which part of the brain controls higher thought processes such as memory and reasoning?

<p>Cerebrum (D)</p> Signup and view all the answers

Which part of the nervous system is responsible for interpreting sensory data and coordinating voluntary muscle movements?

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

What is the role of the hypothalamus in the brain?

<p>Acting as a control center for autonomic functions (D)</p> Signup and view all the answers

Which part of the brain ensures both sides can work together efficiently by connecting them?

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

Which part of the brain is responsible for coordinating all voluntary movements and maintaining balance?

<p>Cerebellum (D)</p> Signup and view all the answers

What is the main role of the spinal cord in the central nervous system?

<p>Acting as the main pathway for information between the brain and peripheral nervous system (A)</p> Signup and view all the answers

Which neurons are responsible for detecting stimuli and transmitting impulses from sense organs to the brain?

<p>Sensory (Afferent) Neurons (D)</p> Signup and view all the answers

What is the function of motor (efferent) neurons in the central nervous system?

<p>Transmit impulses from the brain and spinal cord to effectors like muscles and glands (A)</p> Signup and view all the answers

Which part of the body do interneurons typically connect?

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

What is the primary function of neurons in the central nervous system?

<p>Transmitting signals throughout the body (D)</p> Signup and view all the answers

Which part of the body does not fall under the role of motor (efferent) neurons?

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

What is the main purpose of sensory (afferent) neurons in the central nervous system?

<p>&quot;Detecting stimuli and transmitting impulses from sense organs to the spinal cord and brain&quot; (D)</p> Signup and view all the answers

Which part of the central nervous system is responsible for controlling involuntary actions like breathing and heartbeat?

<p>Medulla Oblongata (D)</p> Signup and view all the answers

What is the primary function of the corpus callosum in the brain?

<p>Facilitate communication between brain hemispheres (C)</p> Signup and view all the answers

Which part of the brain is involved in interpreting sensations from sense organs like sight, sound, and touch?

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

What is the role of the cerebellum in the central nervous system?

<p>Coordinate voluntary movements and balance (D)</p> Signup and view all the answers

Which part of the brain is responsible for higher thought processes like memory and reasoning?

<p>Cerebrum (D)</p> Signup and view all the answers

What function does the hypothalamus serve in the central nervous system?

<p>Control autonomic functions (C)</p> Signup and view all the answers

If a person has difficulty maintaining body balance and muscle coordination, which part of the brain might be affected?

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

What happens if there is damage to the corpus callosum?

<p>Memory loss may occur (A)</p> Signup and view all the answers

What is the significance of the medulla oblongata for life support?

<p>It transmits nerve impulses for involuntary actions like breathing and heartbeat (B)</p> Signup and view all the answers

Which type of neurons typically connect sensory and motor neurons?

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

What is the main function of the vertebrae in relation to the spinal cord?

<p>Protect the spinal cord (B)</p> Signup and view all the answers

Apart from the brain, where else does higher function processing take place?

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

What is the primary function of interneurons in the central nervous system?

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

Which part of the body do motor (efferent) neurons transmit impulses to, apart from muscles and glands?

<p>Bones (D)</p> Signup and view all the answers

What is the significance of meninges in relation to the spinal cord?

<p>Provide protection and support for the spinal cord (D)</p> Signup and view all the answers

If the vertebral column was damaged, how might this impact signal transmission within the central nervous system?

<p>Compromise information exchange between brain and body (A)</p> Signup and view all the answers

What is the main role of sensory (afferent) neurons in the central nervous system?

<p>Transmit impulses from sense organs to the brain (C)</p> Signup and view all the answers

How do motor (efferent) neurons contribute to responding to stimuli in the body?

<p>They transmit impulses from the brain to effectors like muscles and glands. (A)</p> Signup and view all the answers

Which part of the brain is primarily responsible for maintaining the body's homeostasis?

<p>Medulla Oblongata (C)</p> Signup and view all the answers

If a person experiences difficulty in coordinating voluntary movements and muscle tension, which part of the brain could be affected?

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

Which part of the brain is crucial for ensuring both sides of the brain can work together efficiently?

<p>Corpus Callosum (A)</p> Signup and view all the answers

What is the main function of the cerebellum in the central nervous system?

<p>Coordinating voluntary movements (B)</p> Signup and view all the answers

Which part of the central nervous system is responsible for controlling involuntary actions like heartbeat and breathing?

<p>Medulla Oblongata (A)</p> Signup and view all the answers

If a person struggles with memory, reasoning, and intelligence, which part of the brain may be affected?

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

What is the primary role of the hypothalamus in the central nervous system?

<p>Regulating hunger, thirst, and emotions (A)</p> Signup and view all the answers

If there is damage to the corpus callosum, what might be affected in the brain's functionality?

<p>'Communication between both brain hemispheres' (C)</p> Signup and view all the answers

'Interpretation of sensations from sight, sound, and touch' is a primary function of which part of the brain?

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

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