ch. 14
glossopharyngeal
15) Damage to this nerve may cause difficulties in swallowing, decrease in saliva production and some difficulties in tasting, in particular sour and bitter substances.
B
15) Which cranial nerve pair is characterized by somatic sensory fibers crossing at the ventral midline of the brain? A) I B) II C) IV D) V E) VIII
C
16) Which cranial nerve pair, along with cranial nerve III, has fibers that pass through the superior orbital fissure? A) I B) II C) IV D) VII E) VIII
E
17) Which cranial nerve pair, similar to cranial nerve II, runs through a canal that bears the same name? A) IV B) V C) VIII D) XI E) XII
T
6) Of the exteroceptors, only tactile corpuscles, lamellar corpuscles, and bulbous corpuscles are encapsulated.
T2-T12
6) Ventral rami from all spinal nerves except numbers ________ contribute to nerve plexuses.
E
6) Which letter indicates the cranial nerve with nerve fibers that pass through the hypoglossal canal?
T
10) A dermatome is an area of skin that is innervated by the cutaneous branches from one spinal nerve pair.
sternocleidomastoid
10) The cervical plexus is found deep in the neck region covered by by what superficial muscle?
D
10) Which letter indicates the cranial nerve that has motor fibers that innervate muscles of facial expression?
peripheral
1) The portion of the nervous system that does NOT include the brain and spinal cord.
F
1) When you contract your Biceps brachii muscle, you are utilizing the somatic sensory portion of the nervous system.
B
1) Which letter indicates a tactile corpuscle (Meissner's corpuscle) that is responsive to light pressure?
posterior
11) A nerve from the ________ cord of the brachial plexus innervates the posterior extensor muscles of the upper limb.
T
11) Shingles is a latent viral infection in adults that involves both the nervous system and the cutaneous system.
E
11) Which cranial nerve, along with cranial nerve pair II, relays specific somatic sensory impulses? A) I B) II C) IV D) V E) VIII
lumbar
12) The obturator nerve is part of which nerve plexus?
T
12) The vagus nerve (CN X) is the only cranial nerve pair found inferior to the diaphragm.
C
12) Which cranial nerve, along with the abducens and oculomotor nerves, has somatic motor fibers that pass through the superior orbital fissure? A) I B) II C) IV D) VII E) VIII
F
13) A nerve plexus is formed by interconnected dorsal and ventral rami of spinal nerves.
phrenic
13) This nerve innervates the diaphragm.
E
13) Which cranial nerve pair has two sensory branches which both pass through the internal acoustic meatus? A) I B) II C) IV D) V E) VIII
C
14) Of the cranial nerve pairs listed below, which nerve, along with XI and XII, relays only somatic motor impulses? A) I B) II C) IV D) V E) VIII
olfactory
14) The ________ and optic nerves are the only cranial nerves that do not have nuclei within the brain.
T
14) The sequence of brachial plexus components from the spinal cord to the distal targets is as follows: roots, trunks, divisions, cords.
F
15) An interoceptor receives information from receptors in the skin, such as temperature, pressure, and pain.
E
18) Damage to which cranial nerve pair can cause difficulties in speech and swallowing? A) IV B) V C) VIII D) XI E) XII
D
19) The spinal root of which cranial nerve pair innervates the sternocleidomastoid and trapezius muscles? A) IV B) V C) VIII D) XI E) XII
F
2) Both the parasympathetic and sympathetic divisions are part of the somatic motor nervous division.
ganglia
2) This term refers to clusters of peripheral cell bodies outside the CNS.
D
2) Which letter indicates a lamellar corpuscle (Pacinian corpuscle) that rapidly adapts to deep pressure stimuli?
C
20) Damage to which cranial nerve pair can cause deafness and problems with equilibrium? A) IV B) V C) VIII D) XI E) XII
B
30) A receptor that monitors stretch of the patellar tendon can be classified as a A) mechanoreceptor and interoceptor. B) mechanoreceptor and proprioceptor. C) nociceptor and exteroceptor. D) baroreceptor and proprioceptor.
A
33) The tibial and common fibular nerves branch from the ________ nerve. A) sciatic B) pudendal C) axillary D) femoral
A
5) Which letter indicates tactile epithelial cells (Merkel discs), light pressure receptors found in the epidermis?
B
21) Which cranial nerve pair has three major branches, the maxillary, mandibular, and ophthalmic divisions? A) IV B) V C) VIII D) XI E) XII
B
22) Which of the cranial nerve listed below is the largest in diameter? A) IV B) V C) VIII D) XI E) XII
D
23) Which cranial nerve pair along with the vagus and glossopharyngeal nerves, exits through the jugular foramen? A) IV B) V C) VIII D) XI E) XII
A
24) Sensory fibers of which cranial nerve pair pass through the cribriform plate of the ethmoid bone? A) I B) II C) IV D) V E) VIII
A
25) Damage to which cranial nerve pair may result in anosmia? A) I B) II C) IV D) V E) VIII
D
26) An example of an encapsulated receptor is A) a hair follicle receptor. B) a tendon organ. C) a tactile epithelial cell (Merkel disc). D) a lamellar corpuscle (Pacinian corpuscle).
A
31) A receptor that monitors stretch of the stomach can be classified as a A) mechanoreceptor and interoceptor. B) mechanoreceptor and proprioceptor. C) nociceptor and exteroceptor. D) baroreceptor and proprioceptor.
D
32) Which spinal nerve relays motor impulses to most of the muscles of the posterior forearm? A) ulnar B) median C) axillary D) radial
A
27) A lesion to the common fibular nerve causes A) footdrop. B) paralysis of the peroneal muscles. C) hammer toe. D) the same deficit as a ruptured calcaneal tendon causes.
D
28) A pudendal nerve block may be given A) to treat pain from sciatica. B) in surgery to halt breathing temporarily. C) in surgery to relax the muscles that cover the fibula. D) to a woman giving birth.
B
29) Sensory impulses from the skin would be transmitted into the spinal cord on the A) ventral root of spinal nerves. B) dorsal root of spinal nerves. C) sympathetic nerve pathway. D) pathway of parasympathetic neurons.
T
3) All of the special senses taste, smell, vision, hearing, and equilibrium are part of the afferent division of the peripheral nervous system.
Schwann cells
3) The capsules of tactile and lamellar corpuscles consist of layer(s) of ________ wrapped by connective tissue.
C
3) Which letter indicates receptors that respond chiefly to pain and temperature?
C
34) If one likens a spinal nerve to the trunk of a tree, then the two roots of this tree are the dorsal and ventral roots. What would represent the two large branches of this tree? A) rami communicantes B) dorsal and ventral root ganglia C) ventral and dorsal rami D) the brachial plexus
C
35) Anesthetic injection to which nerve may block pain during childbirth? A) sciatic B) femoral C) pudendal D) obturator
B
36) Which of the cranial nerves listed below provides innervation to one of the extrinsic eye muscles? A) trigeminal B) trochlear C) optic D) facial
A
37) The major nerve plexus to the upper limbs is the A) brachial plexus. B) sacral plexus. C) cervical plexus. D) lumbar plexus.
A
38) Contraction rate of the diaphragm is controlled by which nerve? A) phrenic B) vagus C) trigeminal D) trochlear
A
39) Of the following, the nerve that forms from fibers of both the medial and lateral cords of the brachial plexus is the A) median. B) axillary. C) ulnar. D) musculocutaneous.
F
4) Exteroceptors process information from visceral organs.
nociceptors
4) This category of receptors elicit a response of "Ouch!"
E
4) Which letter indicates a bulbous corpuscle (Ruffini ending) that slowly adapts to deep pressure stimuli?
C
40) Extrafusal muscle fibers that surround a muscle spindle and resist excessive muscle stretching are innervated by A) primary sensory endings. B) secondary sensory endings. C) α efferent neurons. D) γ efferent neurons.
T
5) All of the following are exteroceptors: tactile corpuscles, lamellar corpuscles, and tactile epithelial cells.
chemoreceptors
5) These sensory receptors are found not only on your tongue and nose, but also internally so your body can respond to changes in blood chemistry.
C
41) What is the only cranial nerve that has fibers that enter and leave the skull through different foramen? (Hint: It enters through the foramen magnum and leaves through the jugular foramen.)
B
42) Which of the cranial nerves listed below is a special somatic sensory nerve? A) facial B) vestibulocochlear C) accessory D) trochlear
D
43) Which cranial nerves have fibers that relay somatic motor impulses to pharyngeal muscles during swallowing? A) I and II B) V and XII C) VI and VII D) IX and X
B
44) Which of these receptors would not be found within a synovial joint capsule? A) free nerve endings B) tactile corpuscles (Meissner's corpuscles) C) lamellar corpuscles (Pacinian corpuscles) D) bulbous corpuscles (Ruffini endings)
B
45) Mixed cranial nerves containing both motor and sensory fibers include all of the following except the A) facial. B) optic. C) trigeminal. D) vagus.
D
46) The cranial nerves that have neural connections with the tongue include all of the following except the A) trigeminal. B) facial. C) glossopharyngeal. D) accessory.
B
47) Which of these nerves does not arise primarily from the brachial plexus? A) median B) phrenic C) radial D) ulnar
C
48) The gastrocnemius muscle is innervated by the ________ nerve. A) obturator B) common peroneal C) tibial D) femoral
B
49) Which of the following regions is not innervated by nerves of the sacral plexus (L4 - S4)? A) posterior thigh B) anterior thigh muscles C) foot D) external genitalia
C
50) Which of these cranial nerve pairs do not pass through the superior orbital fissures? A) abducens B) oculomotor C) optic D) trochlear
C
51) Spinal nerves found at the level of L4 to about S4 form the A) lumbar plexus. B) femoral plexus. C) sacral plexus. D) thoracic plexus.
A
52) The abducens nerve (CN VI) A) innervates the lateral rectus muscle of the eye. B) relays sensory information from the taste buds on the tongue. C) exits from the medulla. D) if paralyzed, results in Bell's palsy
A
53) An injury to the ulnar nerve causes A) claw hand. B) inability to oppose the thumb. C) the "hand of benediction." D) wrist drop.
A
54) Spinal nerves are A) present in 31 pairs. B) located exclusively in the vertebral canal. C) present only in the thoracic region where plexuses are absent. D) purely sensory nerves.
D
55) A person who cannot blink or smile could have damage to which cranial nerve? A) I B) III C) V D) VII
B
56) The trigeminal nerve contains which class(es) of nerve fibers? A) somatic sensory only B) somatic motor and general somatic sensory C) somatic sensory, visceral sensory, and visceral motor D) somatic motor only
D
57) The primary nerve to muscles of the anterior thigh is the A) sciatic. B) obturator. C) sural. D) femoral.
D
58) Which of these foramen does not include a branch of the trigeminal nerve? A) mandibular B) ovale C) rotundum D) spinosum
D
59) To avoid double vision, which of the following groups of cranial nerves must be functioning correctly? A) I, IX, and X B) VII, VIII, and XII C) V, XI, and XII D) III, IV, and VI
C
60) What specific dermatome lies at the level of the navel? A) C2 B) S4 C) T10 D) T1
B
61) Tactile corpuscles (Meissner's corpuscles) A) occur in hairy skin. B) occur in dermal papillae. C) are nociceptors. D) are free unencapsulated dendritic endings.
B
62) Which cranial nerve pair is comprised of ventral rootlets from C1-C5? A) abducens B) accessory C) glossopharyngeal D) hypoglossal
C
63) Which of these nerves arises from the posterior cord of the brachial plexus? A) median B) musculocutaneous C) radial D) ulnar
C
64) Which of these statements about intercostal nerves is true? A) They are part of a nerve plexus. B) They innervate only the intercostal muscles. C) The ventral rami of T1-T12 spinal nerves lie just inferior to each rib. D) They consist of 12 pairs.
C
65) The lateral cord of the brachial plexus forms directly from A) the upper, middle, and lower trunks. B) the posterior divisions of the middle and lower trunks. C) the anterior divisions of the upper and middle trunks. D) roots C7-T1.
C
66) Which nerve does not arise from the anterior division of the brachial plexus? A) median B) musculocutaneous C) radial D) ulnar
C
67) Migraine headaches result when cerebral arteries dilate in response to neurotransmitters released from the A) abducens nerve. B) facial nerve. C) trigeminal nerve. D) vestibulocochlear nerve.
C
68) The cranial nerve pair with large branches that passes through the foramen ovale of the skull is A) I. B) III. C) V. D) VII
D
69) A lesion/injury to the radial nerve causes A) footdrop. B) claw hand. C) the "hand of benediction." D) wrist-drop.
dermatomes
7) Clinicians use these to identify the level of spinal injuries and to trace the site of adult herpes zoster infections.
T
7) The primary proprioceptors are muscle spindles, tendon organs, and joint kinesthetic receptors.
C
7) Which letter indicates the cranial nerve that has three major branches, and is cranial nerve V?
70) The phrenic nerve receives fibers from A) C3-C5. B) T1-T7. C) CN X. D) CN XI.
70) The phrenic nerve receives fibers from A) C3-C5. B) T1-T7. C) CN X. D) CN XI.
A
71) The only cranial nerve that travels into the abdomen is the A) vagus. B) hypoglossal. C) glossopharyngeal. D) vestibulocochlear.
D
72) The muscles that initiate flexion at the elbow joint (biceps brachii and brachialis) are innervated by what nerve from the lateral cord? A) radial B) median C) ulnar D) musculocutaneous
A
73) Motor neurons to skeletal muscle belong to the A) somatic division of the nervous system. B) autonomic nervous system. C) afferent division of the autonomic nervous system. D) visceral division of the nervous system.
B
74) Disorders of balance may follow trauma to which nerve? A) abducens B) vestibulocochlear C) trigeminal D) accessory
A
75) Starting at the spinal cord and proceeding distally, the subdivisions of the brachial plexus are A) rami, trunks, divisions, cords. B) rami, divisions, cords, trunks. C) divisions, rami, trunks, cords. D) trunks, divisions, cords, rami.
lateral and medial
8) Nerves from the ________ cords of the brachial plexus innervate the anterior flexor muscles of the upper limb.
T
8) One of the largest branches of the sacral plexus is the sciatic nerve.
A
8) Which letter indicates the cranial nerve that transmits olfactory impulses?
median nerve
9) Damage to this nerve shows a typical hand position known as the "hand of benediction," or the "ape hand."
F
9) The accessory nerve (cranial nerve CN XI) contains fibers that assist the hypoglossal nerve (CN XII).
B
9) Which letter indicates the structure where cranial nerve fibers from the retina cross to the opposite side of the brain?