Functions of the nasal cavity include all of the following except
A) filtering the air.
B) warming the air.
C) humidifying the air.
D) housing tonsils.
E) housing olfactory receptors.
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Question 2) Preganglionic fibers of parasympathetic neurons are present in all of the following cranial nerves except
A) III.
B) VII.
C) IX.
D) X.
E) XII.
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Question 3) The conchae
A) divide the nasal cavity into a right and a left side.
B) provide an opening into the pharynx.
C) provide a increase in surface area for the sense of smell.
D) create turbulence in the air to trap particulate matter in mucus.
E) provide an opening to paranasal sinuses.
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Question 4) The statement It initiates contraction of urinary bladder smooth muscle is
A) true only for the parasympathetic nervous system.
B) true only for the sympathetic nervous system.
C) true for both the parasympathetic and sympathetic nervous systems.
D) not true for either the parasympathetic or sympathetic nervous systems.
E) true only for the somatic nervous system.
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Question 5) Which of the following organs is not part of the lower respiratory system?
A) pharynx
B) trachea
C) larynx
D) bronchi
E) alveoli
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Question 6) Disorders involving the vagus nerve might cause
A) food to remain in your stomach longer.
B) a drop in blood pressure.
C) constriction of the pupils.
D) more saliva production.
E) increased sweating.
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Question 7) The ________ is shared by the respiratory and digestive systems.
A) pharynx
B) esophagus
C) trachea
D) windpipe
E) right mainstem bronchus
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Question 8) If the receptor on the postsynaptic membrane binds to norepinephrine, the synapse is called
A) cholinergic.
B) anergic.
C) adrenergic.
D) synergic.
E) noradrenergic.
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Question 9) The nasopharynx transitions into the oropharynx at the level of the
A) hard palate.
B) soft palate.
C) cribriform plate.
D) internal nares.
E) pharyngeal septum.
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Question 10) Sympathomimetic drugs might be used to
A) decrease heart rate.
B) decrease blood pressure.
C) dilate airways.
D) increase gastric motility.
E) reduce blood sugar levels.
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