CH 6: Autonomic Nervous System
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Questions and Answers

Which branch of the autonomic nervous system is responsible for preparing the body for emergency situations?

  • Peripheral Nervous System
  • Parasympathetic Nervous System
  • Central Nervous System
  • Sympathetic Nervous System (correct)

Which action is NOT associated with the sympathetic nervous system?

  • Vasoconstriction
  • Dilating pupils
  • Increasing blood pressure
  • Decreasing heart rate (correct)

What is the main function of the parasympathetic nervous system?

  • Dilating blood vessels
  • Increasing peristalsis (correct)
  • Stimulating adrenaline secretion
  • Preparing the body for emergencies

What effect does the parasympathetic nervous system have on blood pressure?

<p>Decreases blood pressure (A)</p> Signup and view all the answers

Which of the following is a shared characteristic of both sympathetic and parasympathetic nervous systems?

<p>Causing relaxation of the bladder wall (D)</p> Signup and view all the answers

What physiological response is primarily controlled by the parasympathetic nervous system?

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

Which of the following is a specific effect of the sympathetic nervous system on blood vessels?

<p>Constriction in the skin (B)</p> Signup and view all the answers

Which system is responsible for the body's 'fight or flight' response?

<p>Sympathetic nervous system (C)</p> Signup and view all the answers

What role does the parasympathetic nervous system play in the bladder?

<p>Stimulates bladder wall contraction (A)</p> Signup and view all the answers

Which response is NOT characteristic of the sympathetic nervous system?

<p>Decrease in blood pressure (D)</p> Signup and view all the answers

Which neurotransmitter is primarily involved in the sympathetic nervous system response?

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

What is the main function of the autonomic nervous system?

<p>Maintain internal balance (A)</p> Signup and view all the answers

Which branch of the autonomic nervous system is responsible for maintaining a 'rest and digest' state?

<p>&quot;Rest and Digest&quot; Nervous System (C)</p> Signup and view all the answers

"The two systems work antagonistically to each other" implies that:

<p>&quot;They have opposing effects on the body.&quot; (A)</p> Signup and view all the answers

Which physiological effect is unique to the sympathetic nervous system?

<p>Stimulates sweat secretion (C)</p> Signup and view all the answers

If the parasympathetic nervous system is activated, what would you expect to happen to the pupil size?

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

Which of the following is an effect of the sympathetic nervous system on blood pressure?

<p>Constricts blood vessels in the skin (C)</p> Signup and view all the answers

What effect does the parasympathetic nervous system have on peristalsis?

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

In which situation would you expect the sympathetic nervous system to be more active?

<p>When faced with a sudden physical threat (A)</p> Signup and view all the answers

Which system is primarily responsible for causing vasodilation?

<p>Parasympathetic nervous system (D)</p> Signup and view all the answers

What role does adrenaline play in the functioning of the autonomic nervous system?

<p>Adrenaline is involved in the 'fight or flight' response activated by the sympathetic system. (B)</p> Signup and view all the answers

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

<p>Controlling voluntary movements (C)</p> Signup and view all the answers

Which statement best describes the relationship between the sympathetic and parasympathetic nervous systems?

<p>They are antagonistic, with opposite effects on physiological responses. (A)</p> Signup and view all the answers

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