Module 6f: Perception and Coordination in Nervous System

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Questions and Answers

Which part of the neuron is responsible for receiving electrochemical changes?

  • Nuclei
  • Dendrites (correct)
  • Axon
  • Ganglia

What is the main function of the Central Nervous System?

  • Motor sensory activities
  • Autonomic activities
  • Cognitive activities
  • Regulation of the body's activities (correct)

What speeds up the conduction of electrical impulses in some axons?

  • Synaptic vesicles
  • Myelinated sheets (correct)
  • Nuclei
  • Ganglia

What is the function of neurotransmitters in the nervous system?

<p>Communicate messages from one neuron to another (D)</p>
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Where are nerve cell bodies occurring in clusters called?

<p>Ganglia (D)</p>
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What is the role of the Peripheral Nervous System?

<p>Control of motor sensory activities (A)</p>
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Which lobe is responsible for visual interpretation and memory?

<p>Occipital lobe (B)</p>
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What is the function of the Thalamus?

<p>Relay station for all sensation except sense of smell (A)</p>
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Which structure is responsible for appetite control and emotional responses?

<p>Hypothalamus (B)</p>
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Where is the Basal Ganglia located?

<p>Deep in the cerebral hemisphere (B)</p>
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What is the function of the Brainstem?

<p>Regulates respiration (B)</p>
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Which part of the brain connects the two hemispheres and is responsible for transmitting information?

<p>Corpus Callosum (D)</p>
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What type of circulation supplies blood to the brain from the subclavian arteries?

<p>Posterior circulation (A)</p>
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Which membrane that protects the brain and spinal cord resembles a spider web?

<p>Arachnoid (A)</p>
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Which part of the brain's surface does the pia mater closely hug?

<p>Gray matter (B)</p>
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What are unique fingerlike projections that absorb cerebrospinal fluid (CSF) to the venous system?

<p>Arachnoid villi (D)</p>
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Where is the anterior horn located within the spinal cord?

<p>Gray matter (B)</p>
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What is responsible for preventing backflow in cerebral veins?

<p>Valves (C)</p>
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Which part of the brain contains the thalamus, hypothalamus, and basal ganglia?

<p>Cerebellum (A)</p>
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What is the function of the gray matter in the brain?

<p>Contains billions of neuron cell bodies (C)</p>
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What is the main function of the temporal lobe?

<p>Plays a role in memory of sound (D)</p>
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Which part of the brain is responsible for high-level activity despite its small appearance?

<p>Gangli (C)</p>
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What is the function of the white matter in the brain?

<p>Forms tracks connecting different parts of the brain (D)</p>
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What divides the cerebrum into two hemispheres?

<p>Corpus callosum (A)</p>
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What is the function of the lateral horns in the spinal cord?

<p>Contain cells that give rise to autonomic fibers of the sympathetic division (B)</p>
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What happens when there is a blockage of cerebrospinal fluid (CSF) in the ventricular system?

<p>Development of obstructive hydrocephalus (A)</p>
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Which part of the brain produces around 500 ml of cerebrospinal fluid (CSF) per day?

<p>Choroid plexus (A)</p>
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How much of the cardiac output does the brain receive for oxygen supply?

<p>15% (D)</p>
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Which spinal tract is involved in autonomic functions such as sweating and pupil dilation?

<p>Vestibulo spinal tract (B)</p>
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What type of impulses does the corticobulbar tract conduct responsible for?

<p>Head and facial muscle movements (A)</p>
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