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.
62) Which cranial nerve pair is comprised of ventral rootlets from C1-C5?
A) abducens
B) accessory
C) glossopharyngeal
D) hypoglossal
63) Which of these nerves arises from the posterior cord of the brachial plexus?
A) median
B) musculocutaneous
C) radial
D) ulnar
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.
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.
66) Which nerve does
not
arise from the anterior division of the brachial plexus?
A) median
B) musculocutaneous
C) radial
D) ulnar
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.
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.
69) A lesion/injury to the radial nerve causes
A) footdrop.
B) claw hand.
C) the "hand of benediction."
D) wrist-drop.
70) The phrenic nerve receives fibers from
A) C3-C5.
B) T1-T7.
C) CN X.
D) CN XI.
71) The only cranial nerve that travels into the abdomen is the
A) vagus.
B) hypoglossal.
C) glossopharyngeal.
D) vestibulocochlear.
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
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.
74) Disorders of balance may follow trauma to which nerve?
A) abducens
B) vestibulocochlear
C) trigeminal
D) accessory
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.