ANATOMY 102 MIDTERM |COMPLETE STUDY GUIDE WITH
100% ACCURATE QUESTIONS & ANSWERS | ACE EVERY
TEST | GUARANTEED EXCELLENCE.
The white matter of the spinal cord is: Answer: located around the outside
Injury to which nerve or nerves can result in numbness, tingling, and pain in the palm and
fingers? Answer: median nerve
Which nerve from the cervical plexus causes contraction of the diaphragm? Answer:
phrenic nerve
The ulnar nerve arises from which plexus? Answer: brachial
Inability to contract the gastrocnemius muscle could indicate damage to the Answer: tibial
nerve
List the parts of a reflex arc in the correct sequence? Answer: receptor, sensory neuron,
association neuron, motor neuron, effector
The spinal cord is held in place by the Answer: filum terminale and denticulate ligaments
Which reflex is contralateral? Answer: Crossed extensor
Where are the spinal meninges located? Answer: covering the spinal cord
The space between the middle layer of the meninges and the deepest layer of the
meninges is: Answer: subarachnoid space
The spinal cord ends between the first and second lumbar vertebrae. This area is called
the: Answer: conus medullaris
A mixed spinal nerve has: Answer: a posterior and anterior root
Which space contains cerebrospinal fluid? Answer: subarachnoid space
reflexes are
,a. fast
b. automatic
c. unplanned
d. integrated in the brain stem or spinal cord
e. all are correct Answer: e
A reflex:
a. may activate skeletal muscles
b. may activate smooth muscle, cardiac muscle or glands
c. may be for protection
d. may regulate homeostasis
e. all are correct Answer: e
Which reflex protects a muscle and tendon from damage due to developing excess tension
(e.g. causing you to drop a heavy load) Answer: tendon reflex
Which of the three spinal meninges is the most superficial? Answer: dura mater
Which of the structure contains cerebrospinal fluid? Answer: subarachnoid space
What spinal cord feature is the area where the nerves that supply the lower limb emerge?
Answer: lumbar enlargement
Which structure contains only sensory axons that conduct nerve impulses from sensory
receptors in the skin, muscles and internal organs to the CNS? Answer: posterior root of
spinal nerves
Which parts of a reflex arc receives sensory information and decides how to respond to a
change in the body's condition? Answer: integration center
Which parts of a nervous reflex arc is usually a muscle or gland? Answer: effector
, Which parts of a reflex arc would have a cell body in the posterior root ganglion? Answer:
sensory neuron
In response to a muscle being stretched, a muscle spindle initiates a somatic spinal reflex
that causes
1. contraction of the agonist muscle.
2. relaxation of the antagonist muscle.
3. contraction of the antagonist muscle.
4. relaxation of the agonist muscle. Answer: 1 and 2
In response to a tendon being stretched excessively, a tendon organ initiates a somatic
spinal reflex that causes
1. contraction of the agonist muscle.
2. relaxation of the antagonist muscle.
3. contraction of the antagonist muscle.
4. relaxation of the agonist muscle. Answer: 3 and 4
Which structure carries exclusively sensory information towards the spinal cord? Answer:
posterior root
Which structure carries exclusively motor information away from the spinal cord? Answer:
anterior root
The area of the skin that provides sensory input to the CNS via one pair of spinal nerve is
called Answer: a dermatome
A severed obturator nerve will lead into paralysis of which region of the body? Answer:
thigh
During childbirth, anesthesia is administered into the epidural space of the spinal column
between which of the following vertebrae? Answer: L4 and L5
100% ACCURATE QUESTIONS & ANSWERS | ACE EVERY
TEST | GUARANTEED EXCELLENCE.
The white matter of the spinal cord is: Answer: located around the outside
Injury to which nerve or nerves can result in numbness, tingling, and pain in the palm and
fingers? Answer: median nerve
Which nerve from the cervical plexus causes contraction of the diaphragm? Answer:
phrenic nerve
The ulnar nerve arises from which plexus? Answer: brachial
Inability to contract the gastrocnemius muscle could indicate damage to the Answer: tibial
nerve
List the parts of a reflex arc in the correct sequence? Answer: receptor, sensory neuron,
association neuron, motor neuron, effector
The spinal cord is held in place by the Answer: filum terminale and denticulate ligaments
Which reflex is contralateral? Answer: Crossed extensor
Where are the spinal meninges located? Answer: covering the spinal cord
The space between the middle layer of the meninges and the deepest layer of the
meninges is: Answer: subarachnoid space
The spinal cord ends between the first and second lumbar vertebrae. This area is called
the: Answer: conus medullaris
A mixed spinal nerve has: Answer: a posterior and anterior root
Which space contains cerebrospinal fluid? Answer: subarachnoid space
reflexes are
,a. fast
b. automatic
c. unplanned
d. integrated in the brain stem or spinal cord
e. all are correct Answer: e
A reflex:
a. may activate skeletal muscles
b. may activate smooth muscle, cardiac muscle or glands
c. may be for protection
d. may regulate homeostasis
e. all are correct Answer: e
Which reflex protects a muscle and tendon from damage due to developing excess tension
(e.g. causing you to drop a heavy load) Answer: tendon reflex
Which of the three spinal meninges is the most superficial? Answer: dura mater
Which of the structure contains cerebrospinal fluid? Answer: subarachnoid space
What spinal cord feature is the area where the nerves that supply the lower limb emerge?
Answer: lumbar enlargement
Which structure contains only sensory axons that conduct nerve impulses from sensory
receptors in the skin, muscles and internal organs to the CNS? Answer: posterior root of
spinal nerves
Which parts of a reflex arc receives sensory information and decides how to respond to a
change in the body's condition? Answer: integration center
Which parts of a nervous reflex arc is usually a muscle or gland? Answer: effector
, Which parts of a reflex arc would have a cell body in the posterior root ganglion? Answer:
sensory neuron
In response to a muscle being stretched, a muscle spindle initiates a somatic spinal reflex
that causes
1. contraction of the agonist muscle.
2. relaxation of the antagonist muscle.
3. contraction of the antagonist muscle.
4. relaxation of the agonist muscle. Answer: 1 and 2
In response to a tendon being stretched excessively, a tendon organ initiates a somatic
spinal reflex that causes
1. contraction of the agonist muscle.
2. relaxation of the antagonist muscle.
3. contraction of the antagonist muscle.
4. relaxation of the agonist muscle. Answer: 3 and 4
Which structure carries exclusively sensory information towards the spinal cord? Answer:
posterior root
Which structure carries exclusively motor information away from the spinal cord? Answer:
anterior root
The area of the skin that provides sensory input to the CNS via one pair of spinal nerve is
called Answer: a dermatome
A severed obturator nerve will lead into paralysis of which region of the body? Answer:
thigh
During childbirth, anesthesia is administered into the epidural space of the spinal column
between which of the following vertebrae? Answer: L4 and L5
