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.
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.
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.
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.
55) A person who cannot blink or smile could have damage to which cranial nerve?
A) I
B) III
C) V
D) VII
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
57) The primary nerve to muscles of the anterior thigh is the
A) sciatic.
B) obturator.
C) sural.
D) femoral.
58) Which of these foramen does
not
include a branch of the trigeminal nerve?
A) mandibular
B) ovale
C) rotundum
D) spinosum
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
60) What specific dermatome lies at the level of the navel?
A) C2
B) S4
C) T10
D) T1