Transcript Nervous Tissue

Spinal Cord and Spinal Nerves
Spinal Cord
Anatomy
Reflexes
Nerve
Anatomy
Upper Body
Plexuses
Lower Body
Plexuses
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FINAL ROUND
Spinal Cord Anatomy:
$100 Question
The following statement about spinal
nerves is true:
a. contain sensory axons
b. contain motor axons
c. are formed from the convergence
of dorsal and ventral roots
d. exit the vertebral column via
intervertebral foramina
e. all of the above
ANSWER
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Spinal Cord Anatomy:
$100 Answer
The following statement about spinal
nerves is true:
a. contain sensory axons
b. contain motor axons
c. are formed from the convergence
of dorsal and ventral roots
d. exit the vertebral column via
intervertebral foramina
e. all of the above
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Spinal Cord Anatomy:
$200 Question
The anterior (ventral) gray horn of the
spinal cord contains the cell bodies of this:
a. motor neurons to skeletal muscle
b. sensory neurons
c. association neurons
d. motor neurons to the ANS
e. the posterior funiculus
ANSWER
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Spinal Cord Anatomy:
$200 Answer
The anterior (ventral) gray horn of the
spinal cord contains the cell bodies of this:
a. motor neurons to skeletal muscle
b. sensory neurons
c. association neurons
d. motor neurons to the ANS
e. the posterior funiculus
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Spinal Cord Anatomy:
$300 Question
The spinal cord is anchored within the
vertebral canal by this structure:
a. conus medullaris
b. cauda equina
c. filum terminale
d. coccyx
ANSWER
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Spinal Cord Anatomy:
$300 Answer
The spinal cord is anchored within the
vertebral canal by this structure:
a. conus medullaris
b. cauda equina
c. filum terminale
d. coccyx
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Spinal Cord Anatomy:
$400 Question
Anesthetics are injected into this area,
which contains blood vessels, loose
connective tissue and fat:
a. epidural space
b. subdural space
c. subarachnoid space
d. cerebrospinal fluid
ANSWER
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Spinal Cord Anatomy:
$400 Answer
Anesthetics are injected into this area,
which contains blood vessels, loose
connective tissue and fat:
a. epidural space
b. subdural space
c. subarachnoid space
d. cerebrospinal fluid
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Spinal Cord Anatomy:
$500 Question
These statements explain the presence of
enlargements found in the cervical and
lumbosacral (lumbar) region of the spinal
cord except:
a. large number of motor fibers exit to
the limbs
b. large number of sensory fibers enter
from the limbs
c. thicker dura mater
d. large number of cell bodies
ANSWER
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Spinal Cord Anatomy:
$500 Answer
These statements explain the presence of
enlargements found in the cervical and
lumbosacral (lumbar) region of the spinal
cord except:
a. large number of motor fibers exit to
the limbs
b. large number of sensory fibers enter
from the limbs
c. thicker dura mater
d. large number of cell bodies
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Reflexes:
$100 Question
Given these components of a reflex:
1. association neuron
2. skeletal muscle
3. afferent neuron
4. efferent neuron
5. sensory receptor
Choose the sequence below that best
represents the order followed in a reflex, from
stimulus to response.
a. 5, 4, 3, 2, 1
c. 5, 4, 3, 1, 2
b. 5, 3, 2, 4, 1
d. 5, 3, 1, 4, 2
ANSWER
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Reflexes:
$100 Answer
Given these components of a reflex:
1. association neuron
2. skeletal muscle
3. afferent neuron
4. efferent neuron
5. sensory receptor
Choose the sequence below that best
represents the order followed in a reflex, from
stimulus to response.
a. 5, 4, 3, 2, 1
c. 5, 4, 3, 1, 2
b. 5, 3, 2, 4, 1
d. 5, 3, 1, 4, 2
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Reflexes:
$200 Question
A polysynaptic reflex involve a pathway in
which sensory neurons synapse directly
with motor neurons.
True/False
ANSWER
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Reflexes:
$200 Answer
A polysynaptic reflex involve a pathway in
which sensory neurons synapse directly
with motor neurons.
True/False
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Reflexes:
$300 Question
A knee-jerk reflex is an example of this:
a. crossed extensor reflex
b. withdrawal reflex
c. Golgi tendon reflex
d. stretch reflex
ANSWER
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Reflexes:
$300 Answer
A knee-jerk reflex is an example of this:
a. crossed extensor reflex
b. withdrawal reflex
c. Golgi tendon reflex
d. stretch reflex
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Reflexes:
$400 Question
These are responsible for regulating the
sensitivity of the muscle spindle:
a. alpha motor neurons
b. sensory neurons
c. gamma motor neurons
d. Golgi tendon organs
e. inhibitory interneurons
ANSWER
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Reflexes:
$400 Answer
These are responsible for regulating the
sensitivity of the muscle spindle:
a. alpha motor neurons
b. sensory neurons
c. gamma motor neurons
d. Golgi tendon organs
e. inhibitory interneurons
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Reflexes:
$500 Question
Excitatory interneurons are involved in this
spinal reflex:
a. Golgi tendon reflex
b. knee jerk reflex
c. stretch reflex
d. withdrawal reflex
ANSWER
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Reflexes:
$500 Answer
Excitatory interneurons are involved in this
spinal reflex:
a. Golgi tendon reflex
b. knee jerk reflex
c. stretch reflex
d. withdrawal reflex
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Nerve Anatomy:
$100 Question
There are this many spinal nerves that exit
the spinal cord in the cervical region:
a. 6
b. 7
c. 8
d. 12
ANSWER
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Nerve Anatomy:
$100 Answer
There are this many spinal nerves that exit
the spinal cord in the cervical region:
a. 6
b. 7
c. 8
d. 12
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Nerve Anatomy:
$200 Question
The dorsal (posterior) rami innervate:
a. the deep muscles of the back
b. connective tissue and skin of the
back
c. intercostal muscles
d. a and b
e. all of these
ANSWER
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Nerve Anatomy:
$200 Answer
The dorsal (posterior) rami innervate:
a. the deep muscles of the back
b. connective tissue and skin of the
back
c. intercostal muscles
d. a and b
e. all of these
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Nerve Anatomy:
$300 Question
Each axon and its myelin sheath are
surrounded by a delicate connective tissue
layer called this:
a. epineurium
b. perineurium
c. endoneurium
ANSWER
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Nerve Anatomy:
$300 Answer
Each axon and its myelin sheath are
surrounded by a delicate connective tissue
layer called this:
a. epineurium
b. perineurium
c. endoneurium
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Nerve Anatomy:
$400 Question
Damage to the ventral ramus of a spinal
nerve results in this:
a. loss of sensation
b. loss of motor function
c. both a and b
ANSWER
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Nerve Anatomy:
$400 Answer
Damage to the ventral ramus of a spinal
nerve results in this:
a. loss of sensation
b. loss of motor function
c. both a and b
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Nerve Anatomy:
$500 Question
A patient who suffered whiplash in a car
wreck has developed numbness in the left
arm, forearm and hand. This is the most
probable site of nerve damage:
a. C3, C4, C5
b. C5-T1
c. T1-T12
d. C1-T1
ANSWER
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Nerve Anatomy:
$500 Answer
A patient who suffered whiplash in a car
wreck has developed numbness in the left
arm, forearm and hand. This is the most
probable site of nerve damage:
a. C3, C4, C5
b. C5-T1
c. T1-T12
d. C1-T1
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Upper Body Plexuses:
$100 Question
The cervical plexus originates from these
spinal nerves:
a. C1-C2
b. C1-C4
c. C1-C5
d. C5-T1
ANSWER
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Upper Body Plexuses:
$100 Answer
The cervical plexus originates from these
spinal nerves:
a. C1-C2
b. C1-C4
c. C1-C5
d. C5-T1
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Upper Body Plexuses:
$200 Question
This nerve arises from the cervical plexus:
a. median
b. musculocutaneous
c. phrenic
d. obturator
e. ulnar
ANSWER
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Upper Body Plexuses:
$200 Answer
This nerve arises from the cervical plexus:
a. median
b. musculocutaneous
c. phrenic
d. obturator
e. ulnar
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Upper Body Plexuses:
$300 Question
Loss of ability to extend the arm, forearm,
and hand indicates damage to this nerve:
a. axillary nerve
b. median nerve
c. musculocutaneous nerve
d. radial nerve
e. ulnar nerve
ANSWER
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Upper Body Plexuses:
$300 Answer
Loss of ability to extend the arm, forearm,
and hand indicates damage to this nerve:
a. axillary nerve
b. median nerve
c. musculocutaneous nerve
d. radial nerve
e. ulnar nerve
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Upper Body Plexuses:
$400 Question
This nerve innervates the deltoid muscle
and provides sensory input from the
shoulder:
a. axillary nerve
b. median nerve
c. musculocutaneous nerve
d. radial nerve
e. ulnar nerve
ANSWER
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Upper Body Plexuses:
$400 Answer
This nerve innervates the deltoid muscle
and provides sensory input from the
shoulder:
a. axillary nerve
b. median nerve
c. musculocutaneous nerve
d. radial nerve
e. ulnar nerve
BACK TO GAME
Upper Body Plexuses:
$500 Question
As a result of repetitive movements,
inflammation within the carpal tunnel
compresses this nerve which results in
numbness, tingling, and pain in the fingers:
a. ulnar
b. radial
c. median
d. axillary
ANSWER
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Upper Body Plexuses:
$500 Answer
As a result of repetitive movements,
inflammation within the carpal tunnel
compresses this nerve which results in
numbness, tingling, and pain in the fingers:
a. ulnar
b. radial
c. median
d. axillary
BACK TO GAME
Lower Body Plexuses:
$100 Question
The plexus that originates from spinal
nerves L1-L4 is this:
a. cervical plexus
b. brachial plexus
c. lumbar plexus
d. sacral plexus
e. coccygeal plexus
ANSWER
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Lower Body Plexuses:
$100 Answer
The plexus that originates from spinal
nerves L1-L4 is this:
a. cervical plexus
b. brachial plexus
c. lumbar plexus
d. sacral plexus
e. coccygeal plexus
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Lower Body Plexuses:
$200 Question
This nerve arises from the lumbosacral
plexus and is the largest peripheral nerve
in the body:
a. femoral nerve
b. ischiadic (sciatic) nerve
c. obturator nerve
d. pudendal nerve
ANSWER
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Lower Body Plexuses:
$200 Answer
This nerve arises from the lumbosacral
plexus and is the largest peripheral nerve
in the body:
a. femoral nerve
b. ischiadic (sciatic) nerve
c. obturator nerve
d. pudendal nerve
BACK TO GAME
Lower Body Plexuses:
$300 Question
The muscles of the anterior compartment
of the thigh are supplied by this nerve:
a. obturator nerve
b. gluteal nerve
c. sciatic nerve
d. femoral nerve
e. ilioinguinal nerve
ANSWER
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Lower Body Plexuses:
$300 Answer
The muscles of the anterior compartment
of the thigh are supplied by this nerve:
a. obturator nerve
b. gluteal nerve
c. sciatic nerve
d. femoral nerve
e. ilioinguinal nerve
BACK TO GAME
Lower Body Plexuses:
$400 Question
Before a doctor performs an episiotomy, a
cut in the perineum that makes the
opening of the birth canal larger, branches
these nerves arising from the lumbosacral
plexuses are anesthetized:
a. femoral nerves
b. ischiadic nerves
c. obturator nerves
ANSWER
d. pudendal nerves
BACK TO GAME
Lower Body Plexuses:
$400 Answer
Before a doctor performs an episiotomy, a
cut in the perineum that makes the
opening of the birth canal larger, branches
these nerves arising from the lumbosacral
plexuses are anesthetized:
a. femoral nerves
b. ischiadic nerves
c. obturator nerves
d. pudendal nerves
BACK TO GAME
Lower Body Plexuses:
$500 Question
In an automobile accident a woman suffers
a crushing hip injury, and she is unable to
adduct the thigh. This nerve is most likely
damaged:
a. obturator nerve
b. femoral nerve
c. sciatic (tibial) nerve
d. gluteal nerve
ANSWER
BACK TO GAME
Lower Body Plexuses:
$500 Answer
In an automobile accident a woman suffers
a crushing hip injury, and she is unable to
adduct the thigh. This nerve is most likely
damaged:
a. obturator nerve
b. femoral nerve
c. sciatic (tibial) nerve
d. gluteal nerve
BACK TO GAME
FINAL ROUND Question
In spinal anethesia (spinal block), drugs
that block action potential transmission
and prevent pain sensations are injected
into this:
a. epidural space
b. subarachnoid space
c. gluteal muscles
d. between L1 and L2
ANSWER
BACK TO GAME
FINAL ROUND Answer
In spinal anethesia (spinal block), drugs
that block action potential transmission
and prevent pain sensations are injected
into this:
a. epidural space
b. subarachnoid space
c. gluteal muscles
d. between L1 and L2
BACK TO GAME