List the maters surrounding the brain from the deepest layer to the most superficial layer. (Figure 14-3)
A) dura, arachnoid, pia
B) pia, arachnoid, dura
C) arachnoid, dura, pia
D) arachnoid, pia, dura
E) pia, dura, arachnoid
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Question 2) The patient has the following symptoms: change in vocal tone, problems swallowing, inability to control urination, erratic heart rate, and gastric problems. You would identify the problem as being related to the
A) vagus nerve.
B) accessory nerve.
C) abducens nerve.
D) trigeminal nerve.
E) hypoglossal nerve.
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Question 3) Which of the following symptoms would you associate with damage to the spinal accessory nerve?
A) loss of the sense of taste
B) tooth pain
C) weakness of the sternocleidomastoid muscle
D) lack of facial expression
E) dry mouth from lack of saliva
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Question 4) A patient develops a tumor of a cranial nerve that leads to difficulty in speaking from a loss of tongue movement. Which cranial nerve is affected?
A) glossopharyngeal
B) hypoglossal
C) vagus
D) spinal accessory
E) trigeminal
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Question 5) At the optic chiasm,
A) axons from the medial halves of each retina cross.
B) axons from the lateral halves of each retina cross.
C) axons from the retinae synapse on those from the other half.
D) the olfactory nerve crosses to the opposite side of the brain.
E) the optic nerve enters the cerebellum.
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Question 6) Olfactory receptors send axons through the cribriform plate and synapse on neurons in the
A) medulla.
B) thalamus.
C) cerebral cortex.
D) olfactory bulb.
E) olfactory tract.
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Question 7) You suspect your friend has damage to cranial nerve I when he is unable to
A) smell his food.
B) smile.
C) blink his eyes.
D) nod his head.
E) hear your voice.
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Question 8) Jean needs to have a tooth in her mandible filled. Her dentist injects a local anesthetic to block pain afferents in one of her cranial nerves. What cranial nerve does the dentist numb?
A) trochlear
B) trigeminal
C) facial
D) glossopharyngeal
E) hypoglossal
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Question 9) Which sensation(s) does the vestibulocochlear nerve carry?
A) hearing
B) balance
C) atmospheric pressure
D) hearing and balance
E) hearing, balance, and taste
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Question 10) A reflex that is used to assess the sensory function of the trigeminal nerve is the ________ reflex.
A) corneal
B) tympanic
C) auditory
D) vestibulocochlear
E) spinal
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