lOMoAR cPSD| 47061011
1. Which spinal meninges is composed of collagen fibers arranged in an irregular
patternthat is very strong?
a. Arachnoid mater *b. Dura mater c. epineurium
d. Pia mater
2. Which structure listed contains cerebrospinal fluid?
a. epidural space *b. subarachnoid space c. subdural space
d. foramen magnum
3. The nerves that supply the thigh and calf of leg emerge from the *a. lumbar
enlargement b. filum terminale
c. cauda equina
d. conus medullaris
e. cervical enlargement
4. If these structures were severed, the nerve impulses from pain and stretch receptors
would not reach the CNS.
a. white columns
b. gray horns
c. anterior root of spinal nerves *d. posterior root of spinal nerves
5. Which layer of protective connective tissue covers a nerve and fuses with the outer
menix layer?
a. dura mater
b. pia mater
c. endoneurium
d. perineurium
*e. epineurium
6. What parts of a neuron within a nerve is/are wrapped in a protective endoneurium?
I. Myelinated axon
II. Unmyelinated axon
III. Dendrites
a. 1 only
b. 2 only
, lOMoAR cPSD| 47061011
c. 3 only *d. Both 1 and 2 e. 1, 2 and 3
7. Spinal nerves
I. Are part of the PNS.
II. connect the CNS to sensory receptors and effectors in all parts of the body.
III. are named according to the region of the vertebral column from which they emerge.
IV. are mixed nerves.
V. only transmit sensory information.VI. only transmit motor information.
a. 1, 2, 3 *b.
1, 2, 3, 4 c.
1, 3, 6
d. 1 and 3
e. 1, 2, 3, 4
8. In the 400 meter relay, runners handoff the baton to the person in front of them.
The second runner in the relay team had to be replaced . They were unable to
pronate their forearm to reach behind for the baton because of injury to their
brachial plexus. What is the most likely site of their injury?
a. Dorsal scapular nerve
b. Intercostal nerve
c. Phrenic nerve *d. Median nerve e. Radial nerve
9. Which region of the spinal cord allows a dancer to be aware of their movements and
body position?
*a. Posterior white column b.
Anterior gray horn
c. Anterior white column
d. Lateral white column
e. Gray commissure
10. Sensory information travels to the brain via
*a. Ascending tracts
b. Descending tracts
c. Integration tracts
d. Anterior roots
e. Direct motor pathways
11. Which type of descending motor pathway conveys nerve impulses that originate in
the cerebral cortex and allows you to use your fingers for sewing and sign language?
a. vestibulospinal tract *b. corticospinal tract c. reticulospinal tract
d. spinothalamic tract
, lOMoAR cPSD| 47061011
12. Which type of descending motor pathway excites antigravity muscles in order to
exert control over postural changes necessary to compensate for tilts and
movements of the body.?
*a. vestibulospinal tract b.
corticospinal tract
c. corticobulbar tract
d. spinothalamic tract
e. gracile fasciculus
13. Which of the following parts of a reflex arc monitors the rectus femoris muscle
stretching?
*a. Sensory receptor b.
Integrating center
c. Motor neuron
d. Effector
e. Interneuron
14. Which of the following parts of a reflex arc can be monosynaptic or polysynaptic? a.
Sensory receptor
b. Sensory neuron
c. Motor neuron
d. Effector
*e. Integrating center
15. Which of the following parts of a reflex arc would be represented by the contraction
of the gastrocnemius muscle or the radial iris muscles?
a. Sensory receptor
b. Sensory neuron
c. Motor neuron
*d. Effector
e. Integrating center
16. Which of the following parts of a reflex arc would involve the posterior root
ganglion?
a. Integrating center *b. Sensory neuron c. Motor neuron
d. Effector
e. Interneuron
17. A nerve impulse initiated at a muscle spindle has to travel through which of the
following structures to enter the integrating center?
a. Anterior root of spinal nerve *b. Posterior root of spinal nerve c. Tectospinal
tract
d. Gray commissure
1. Which spinal meninges is composed of collagen fibers arranged in an irregular
patternthat is very strong?
a. Arachnoid mater *b. Dura mater c. epineurium
d. Pia mater
2. Which structure listed contains cerebrospinal fluid?
a. epidural space *b. subarachnoid space c. subdural space
d. foramen magnum
3. The nerves that supply the thigh and calf of leg emerge from the *a. lumbar
enlargement b. filum terminale
c. cauda equina
d. conus medullaris
e. cervical enlargement
4. If these structures were severed, the nerve impulses from pain and stretch receptors
would not reach the CNS.
a. white columns
b. gray horns
c. anterior root of spinal nerves *d. posterior root of spinal nerves
5. Which layer of protective connective tissue covers a nerve and fuses with the outer
menix layer?
a. dura mater
b. pia mater
c. endoneurium
d. perineurium
*e. epineurium
6. What parts of a neuron within a nerve is/are wrapped in a protective endoneurium?
I. Myelinated axon
II. Unmyelinated axon
III. Dendrites
a. 1 only
b. 2 only
, lOMoAR cPSD| 47061011
c. 3 only *d. Both 1 and 2 e. 1, 2 and 3
7. Spinal nerves
I. Are part of the PNS.
II. connect the CNS to sensory receptors and effectors in all parts of the body.
III. are named according to the region of the vertebral column from which they emerge.
IV. are mixed nerves.
V. only transmit sensory information.VI. only transmit motor information.
a. 1, 2, 3 *b.
1, 2, 3, 4 c.
1, 3, 6
d. 1 and 3
e. 1, 2, 3, 4
8. In the 400 meter relay, runners handoff the baton to the person in front of them.
The second runner in the relay team had to be replaced . They were unable to
pronate their forearm to reach behind for the baton because of injury to their
brachial plexus. What is the most likely site of their injury?
a. Dorsal scapular nerve
b. Intercostal nerve
c. Phrenic nerve *d. Median nerve e. Radial nerve
9. Which region of the spinal cord allows a dancer to be aware of their movements and
body position?
*a. Posterior white column b.
Anterior gray horn
c. Anterior white column
d. Lateral white column
e. Gray commissure
10. Sensory information travels to the brain via
*a. Ascending tracts
b. Descending tracts
c. Integration tracts
d. Anterior roots
e. Direct motor pathways
11. Which type of descending motor pathway conveys nerve impulses that originate in
the cerebral cortex and allows you to use your fingers for sewing and sign language?
a. vestibulospinal tract *b. corticospinal tract c. reticulospinal tract
d. spinothalamic tract
, lOMoAR cPSD| 47061011
12. Which type of descending motor pathway excites antigravity muscles in order to
exert control over postural changes necessary to compensate for tilts and
movements of the body.?
*a. vestibulospinal tract b.
corticospinal tract
c. corticobulbar tract
d. spinothalamic tract
e. gracile fasciculus
13. Which of the following parts of a reflex arc monitors the rectus femoris muscle
stretching?
*a. Sensory receptor b.
Integrating center
c. Motor neuron
d. Effector
e. Interneuron
14. Which of the following parts of a reflex arc can be monosynaptic or polysynaptic? a.
Sensory receptor
b. Sensory neuron
c. Motor neuron
d. Effector
*e. Integrating center
15. Which of the following parts of a reflex arc would be represented by the contraction
of the gastrocnemius muscle or the radial iris muscles?
a. Sensory receptor
b. Sensory neuron
c. Motor neuron
*d. Effector
e. Integrating center
16. Which of the following parts of a reflex arc would involve the posterior root
ganglion?
a. Integrating center *b. Sensory neuron c. Motor neuron
d. Effector
e. Interneuron
17. A nerve impulse initiated at a muscle spindle has to travel through which of the
following structures to enter the integrating center?
a. Anterior root of spinal nerve *b. Posterior root of spinal nerve c. Tectospinal
tract
d. Gray commissure
