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Spinal Cord and Spinal Nerves

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Spinal Cord and Spinal Nerves Upper Body Plexuses Nerve Anatomy Lower Body Plexuses Spinal Cord Anatomy Reflexes $100 $100 $100 $100 $100 $200 $200 – PowerPoint PPT presentation

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Title: Spinal Cord and Spinal Nerves


1
Spinal Cord and Spinal Nerves

Upper Body Plexuses
Nerve Anatomy
Lower Body Plexuses
Spinal Cord Anatomy
Reflexes
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FINAL ROUND
2
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
BACK TO GAME
3
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

BACK TO GAME
4
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
BACK TO GAME
5
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

BACK TO GAME
6
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
BACK TO GAME
7
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

BACK TO GAME
8
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
BACK TO GAME
9
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

BACK TO GAME
10
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
BACK TO GAME
11
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

BACK TO GAME
12
Reflexes 100 Question
  • Given these components of a reflex 1.
    association neuron2. skeletal muscle3. afferent
    neuron4. efferent neuron5. 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
BACK TO GAME
13
Reflexes 100 Answer
  • Given these components of a reflex 1.
    association neuron2. skeletal muscle3. afferent
    neuron4. efferent neuron5. 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

BACK TO GAME
14
Reflexes 200 Question
  • A polysynaptic reflex involve a pathway in which
    sensory neurons synapse directly with motor
    neurons.
  • True/False

ANSWER
BACK TO GAME
15
Reflexes 200 Answer
  • A polysynaptic reflex involve a pathway in which
    sensory neurons synapse directly with motor
    neurons.
  • True/False

BACK TO GAME
16
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
BACK TO GAME
17
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

BACK TO GAME
18
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
BACK TO GAME
19
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

BACK TO GAME
20
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
BACK TO GAME
21
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

BACK TO GAME
22
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
BACK TO GAME
23
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

BACK TO GAME
24
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
BACK TO GAME
25
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

BACK TO GAME
26
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
BACK TO GAME
27
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

BACK TO GAME
28
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
BACK TO GAME
29
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

BACK TO GAME
30
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
BACK TO GAME
31
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

BACK TO GAME
32
Upper Body Plexuses100 Question
  • The cervical plexus originates from these spinal
    nerves
  • a. C1-C2
  • b. C1-C4
  • c. C1-C5
  • d. C5-T1

ANSWER
BACK TO GAME
33
Upper Body Plexuses100 Answer
  • The cervical plexus originates from these spinal
    nerves
  • a. C1-C2
  • b. C1-C4
  • c. C1-C5
  • d. C5-T1

BACK TO GAME
34
Upper Body Plexuses 200 Question
  • This nerve arises from the cervical plexus
  • a. median
  • b. musculocutaneous
  • c. phrenic
  • d. obturator
  • e. ulnar

ANSWER
BACK TO GAME
35
Upper Body Plexuses 200 Answer
  • This nerve arises from the cervical plexus
  • a. median
  • b. musculocutaneous
  • c. phrenic
  • d. obturator
  • e. ulnar

BACK TO GAME
36
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
BACK TO GAME
37
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

BACK TO GAME
38
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
BACK TO GAME
39
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
40
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
BACK TO GAME
41
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
42
Lower Body Plexuses100 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
BACK TO GAME
43
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

BACK TO GAME
44
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
BACK TO GAME
45
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
46
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
BACK TO GAME
47
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
48
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
  • d. pudendal nerves

ANSWER
BACK TO GAME
49
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
50
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
51
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
52
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
53
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
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