Chapter 13 Exam Part 2 Labels and T/F
Match the following: A) Projection level B) Segmental level C) Precommand level Includes cortical and brain stem motor areas.
A
Using Figure 13.2, identify the following components of the reflex arc: Receptor
1
Match the following: A) Projection level B) Segmental level C) Precommand level Intermediate relay for incoming and outgoing neurons.
A
Match the following: A) Vagus B) Olfactory C) Accessory D) Abducens E) Vestibulocochlear Helps to regulate blood pressure and digestion
A
Using Figure 13.2, identify the following components of the reflex arc: Sensory Neuron
2
Using Figure 13.2, identify the following components of the reflex arc: Integration Center
3
Using Figure 13.2, identify the following components of the reflex arc: Motor Neuron
4
Using Figure 13.2, identify the following components of the reflex arc: Effector
5
Match the following reflexes to their function: A) Stretch B) Abdominal C) Flexor D) Plantar Prevents muscle overstretching and maintains muscle tone.
A
Match the following: A) Lumbar plexus B) Brachial plexus C) Cervical plexus D) Sacral plexus The obturator and femoral nerves branch from this plexus.
A
Match the following reflexes to their function: A) Stretch B) Abdominal C) Flexor D) Plantar Checks the integrity of the spinal cord and dorsal rami at the level of T8 to T12.
B
Match the following: A) Vagus B) Olfactory C) Accessory D) Abducens E) Vestibulocochlear Turns the eyeball laterally
D
Match the following: A) Vagus B) Olfactory C) Accessory D) Abducens E) Vestibulocochlear Serves the senses of hearing and equilibrium
E
Using Figure 13.1, match the following: Damage to this nerve would cause difficulty in speech and swallowing, but no effect on visceral organs.
E
12) The obturator nerve branches from the sacral plexus.
False
13) Reciprocal inhibition means that while one sensory nerve is stimulated, another sensory neuron for synergistic muscles in the same area is inhibited and cannot respond.
False
3) There are 41 pairs of spinal nerves.
False
4) The glossopharyngeal nerve is the only cranial nerve that contains sensory fibers.
False
8) The dorsal ramus consists only of motor fibers bringing information to the spinal cord.
False
1) The meningeal branch of a spinal nerve actually reenters the vertebral canal to innervate the meninges and blood vessels.
True
10) Dorsal and ventral rami are similar in that they both contain sensory and motor fibers.
True
11) Irritation of the phrenic nerve may cause diaphragm spasms called hiccups.
True
14) External strabismus and ptosis could be caused by damage to the oculomotor nerve.
True
15) In order to regulate motor activity, to start and stop movements, and to coordinate postural movements, the cerebellum and basal nuclei are involved.
True
Match the following: A) Lumbar plexus B) Brachial plexus C) Cervical plexus D) Sacral plexus Striking the ʺfunny boneʺ (ulnar nerve) may cause injury to a nerve of this plexus.
B
Match the following: A) Lumbar plexus B) Brachial plexus C) Cervical plexus D) Sacral plexus Trauma to a nerve of this plexus may cause wrist drop.
B
Match the following: A) Projection level B) Segmental level C) Precommand level Central pattern generators. Diff: 1 Page Ref: 519; Fig. 13.13
B
Match the following: A) Projection level B) Segmental level C) Precommand level The neural machinery of the spinal cord, including spinal cord circuits.
B
Match the following: A) Vagus B) Olfactory C) Accessory D) Abducens E) Vestibulocochlear Receptors located in epithelium of the nasal cavity
B
Using Figure 13.1, match the following: Damage to this nerve would keep the eye from rotating inferolaterally.
B
Using Figure 13.1, match the following: Innervates the superior oblique
B
Match the following reflexes to their function: A) Stretch B) Abdominal C) Flexor D) Plantar Produces a rapid withdrawal of the body part from a painful stimulus; ipsilateral.
C
Match the following: A) Lumbar plexus B) Brachial plexus C) Cervical plexus D) Sacral plexus The phrenic nerve branches from this plexus.
C
Match the following: A) Projection level B) Segmental level C) Precommand level Controls the outputs of the cortex and regulates motor activity.
C
Match the following: A) Projection level B) Segmental level C) Precommand level The cerebellum and basal nuclei.
C
Match the following: A) Vagus B) Olfactory C) Accessory D) Abducens E) Vestibulocochlear Former by the union of a cranial and a spinal root
C
Using Figure 13.1, match the following: Damage to this nerve would cause dizziness, nausea, and loss of balance.
C
Match the following reflexes to their function: A) Stretch B) Abdominal C) Flexor D) Plantar Tests both upper and lower motor pathways. The sole of the foot is stimulated with a dull instrument.
D
Match the following: A) Lumbar plexus B) Brachial plexus C) Cervical plexus D) Sacral plexus A fall or improper administration of an injection to the buttocks may injure a nerve of this plexus.
D
Using Figure 13.1, match the following: Involved in movement of the digestive tract
D
Using Figure 13.1, match the following: Longest Cranial Nerve
D
2) In the somatosensory system there are no third-order neurons in the cerebellum.
True
5) The musculocutaneous nerve is a major nerve of the brachial plexus.
True
6) The second cranial nerve forms a chiasma at the base of the brain for partial crossover of neural fibers.
True
7) The only cranial nerves to extend beyond the head and neck region are the vagus nerves.
True
9) Dermatomes are skin segments that relate to sensory innervation regions of the spinal nerves.
True
