The Autonomic Nervous System

Review Questions

7. 

Which of these physiological changes would not be considered part of the sympathetic fight-or-flight response?

  1. increased heart rate
  2. increased sweating
  3. dilated pupils
  4. increased stomach motility
  8. 

Which type of fiber could be considered the longest?

  1. preganglionic parasympathetic
  2. preganglionic sympathetic
  3. postganglionic parasympathetic
  4. postganglionic sympathetic
  9. 

Which signaling molecule is most likely responsible for an increase in digestive activity?

  1. epinephrine
  2. norepinephrine
  3. acetylcholine
  4. adrenaline
  10. 

Which of these cranial nerves contains preganglionic parasympathetic fibers?

  1. optic, CN II
  2. facial, CN VII
  3. trigeminal, CN V
  4. hypoglossal, CN XII
  11. 

Which of the following is not a target of a sympathetic preganglionic fiber?

  1. intermural ganglion
  2. collateral ganglion
  3. adrenal gland
  4. chain ganglion
  12. 

Which of the following represents a sensory input that is not part of both the somatic and autonomic systems?

  1. vision
  2. taste
  3. baroreception
  4. proprioception
  13. 

What is the term for a reflex that does not include a CNS component?

  1. long reflex
  2. visceral reflex
  3. somatic reflex
  4. short reflex
  14. 

What neurotransmitter will result in constriction of the pupil?

  1. norepinephrine
  2. acetylcholine
  3. epinephrine
  4. serotonin
  15. 

What gland produces a secretion that causes fight-or-flight responses in effectors?

  1. adrenal medulla
  2. salivatory gland
  3. reproductive gland
  4. thymus
  16. 

Which of the following is an incorrect pairing?

  1. norepinephrine dilates the pupil
  2. epinephrine increases blood pressure
  3. acetylcholine decreases digestion
  4. norepinephrine increases heart rate
  17. 

Which of these locations in the forebrain is the master control center for homeostasis through the autonomic and endocrine systems?

  1. hypothalamus
  2. thalamus
  3. amygdala
  4. cerebral cortex
  18. 

Which nerve projects to the hypothalamus to indicate the level of light stimuli in the retina?

  1. glossopharyngeal
  2. oculomotor
  3. optic
  4. vagus
  19. 

What region of the limbic lobe is responsible for generating stress responses via the hypothalamus?

  1. hippocampus
  2. amygdala
  3. mammillary bodies
  4. prefrontal cortex
  20. 

What is another name for the preganglionic sympathetic fibers that project to the heart?

  1. solitary tract
  2. vasomotor nerve
  3. vagus nerve
  4. cardiac accelerator nerve
  21. 

What central fiber tract connects forebrain and brain stem structures with the hypothalamus?

  1. cardiac accelerator nerve
  2. medial forebrain bundle
  3. dorsal longitudinal fasciculus
  4. corticospinal tract
  22. 

A drug that affects both divisions of the autonomic system is going to bind to, or block, which type of neurotransmitter receptor?

  1. nicotinic
  2. muscarinic
  3. α-adrenergic
  4. β-adrenergic
  23. 

A drug is called an agonist if it ________.

  1. blocks a receptor
  2. interferes with neurotransmitter reuptake
  3. acts like the endogenous neurotransmitter by binding to its receptor
  4. blocks the voltage-gated calcium ion channel
  24. 

Which type of drug would be an antidote to atropine poisoning?

  1. nicotinic agonist
  2. anticholinergic
  3. muscarinic agonist
  4. α-blocker
  25. 

Which kind of drug would have anti-anxiety effects?

  1. nicotinic agonist
  2. anticholinergic
  3. muscarinic agonist
  4. α-blocker
  26. 

Which type of drug could be used to treat asthma by opening airways wider?

  1. sympatholytic drug
  2. sympathomimetic drug
  3. anticholinergic drug
  4. parasympathomimetic drug