The auditory tubes open into the
A) nasopharynx.
B) oropharynx.
C) laryngopharynx.
D) larynx.
E) nasal cavity.
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Question 2) Parasympathetic preganglionic fibers leave the CNS in all of the following locations except
A) the midbrain.
B) the pons.
C) the medulla oblongata.
D) spinal segments T1-L2.
E) spinal segments S2-S4.
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Question 3) The common passageway shared by the respiratory and digestive systems is the
A) larynx.
B) glottis.
C) vestibule.
D) pharynx.
E) trachea.
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Question 4) Which of the following statements concerning the parasympathetic division of the autonomic nervous system is false?
A) Preganglionic neurons are located in the brain stem and sacral region of the spinal cord.
B) Ganglionic neurons are located in ganglia within or near to effectors.
C) Preganglionic fibers are relatively short and postganglionic fibers are relatively long.
D) The actions of the parasympathetic division are more localized than those of the sympathetic division.
E) The ganglionic neurons always release acetylcholine.
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Question 5) The nasal cavity is separated from the oral cavity by the
A) hard palate.
B) soft palate.
C) cribriform plate.
D) internal nares.
E) pharyngeal septum.
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Question 6) Parasympathetic functions include all of the following, except
A) decrease in the rate of cardiac contraction.
B) constriction of the pupils.
C) dilation of the airways.
D) stimulation of urination.
E) stimulation of defecation.
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Question 7) The portion of the nasal cavity contained within the flexible tissues of the external nose is the
A) nasopharynx.
B) vestibule.
C) internal chamber.
D) conchae.
E) nasal septum.
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Question 8) Which of the following is not a parasympathetic ganglion?
A) ciliary
B) pterygopalatine
C) submandibular
D) otic
E) celiac
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Question 9) The openings to the nasal cavity are the
A) external nares.
B) internal nares.
C) nasal meatuses.
D) nasal conchae.
E) nasal sinuses.
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Question 10) Almost 75 percent of all parasympathetic outflow travels along the ________ nerve(s).
A) splanchnic
B) facial
C) vagus
D) glossopharyngeal
E) trigeminal
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