Nervous System and Autonomic Nervous System Quiz
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Questions and Answers

What are the two parts of the nervous system mentioned in the text?

  • Sympathetic and parasympathetic
  • Somatic and autonomic (correct)
  • Skeletal and smooth muscles
  • Cervical and lumbar

Which division of the autonomic nervous system is associated with the 'fight or flight' response?

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

In which part of the spinal cord does the sympathetic division originate from?

  • Thoracolumbar region (correct)
  • Lumbar region
  • Cervical region
  • Sacral region

What type of axons are present before the ganglia in the sympathetic nervous system?

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

What is the function of the medial forebrain bundle?

<p>It communicates to the brain (B)</p> Signup and view all the answers

Which part of the brain is involved in memory and emotional response?

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

How do sympathomimetic drugs function?

<p>Increase the heart output (D)</p> Signup and view all the answers

What is the role of anticholinergic drugs?

<p>Enhance the parasympathetic response (A)</p> Signup and view all the answers

What type of synapse do the sympathetic fibers running to the adrenal medulla have?

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

Which type of receptors does the cholinergic system have?

<p>Ligand-gated and G protein-coupled (C)</p> Signup and view all the answers

What does the term 'nor' refer to in the adrenergic system?

<p>Removal of a methyl group (A)</p> Signup and view all the answers

What is the main function of baroreceptors in the autonomic reflexes?

<p>Regulate blood pressure (C)</p> Signup and view all the answers

Which organ is under a parasympathetic tone?

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

What is the purpose of orthostatic hypotension?

<p>Ensure oxygen supply to the brain (C)</p> Signup and view all the answers

In which system does autonomic control happen bilaterally?

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

What is the main difference between short reflexes in the autonomic system and somatic reflexes?

<p>The role of ganglia (A)</p> Signup and view all the answers

'Referred pain' is best described as pain that:

<p>Is felt in an unexpected area distant from the site of origin (B)</p> Signup and view all the answers

What is the function of varicosities in autonomic synapses?

<p>Release neurotransmitters at the end of nerves (D)</p> Signup and view all the answers

What is the main function of sympathetic fibers that activate chromaffin cells?

<p>Trigger release of epinephrine and norepinephrine (C)</p> Signup and view all the answers

What is the main difference between sympathetic and parasympathetic fibers regarding ganglia?

<p>The length of pre- and postganglionic fibers (A)</p> Signup and view all the answers

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