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Peripheral Nervous System & Lesions

Quiz by OASIS

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43 questions
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  • Q1
    When commands are carried from the CNS to the peripheral tissue this is known as:
    Sensory integration
    Alarplate innervation
    Centripetally
    Centrifugally
    30s
  • Q2
    Dorsal ramus of the spinal nerve innervates the:
    Extrinsic muscles of the back
    The extremities
    The anterolateral body wall
    Intrinsic muscles of the back
    30s
  • Q3
    A practitioner wants to test the sensory innervation of the S2 dermatome of Ricky’s lower extremity. What area would the practitioner test?
    Medial aspect of the thigh
    Top of the pinky toe
    Medial aspect of the leg
    Posterior aspect of the thigh
    30s
  • Q4
    All spinal nerves that contribute to a peripheral nerve all have equal role in the innervation of the myotome.
    TRUE
    FALSE
    30s
  • Q5
    Which sensory fiber type receptor is supplied by skin mechanoreceptors, thermal receptors, and nociceptors?
    C
    Ay
    III
    II
    30s
  • Q6
    Which of the following is not a result of plexopathy?
    Widespread, bilateral motor involvement affects the limbs
    Autonomic disturbances occur
    Loss of reflexes
    Sensory disturbances occurs in multiple dermatomes
    30s
  • Q7
    What happens during myasthenia gravis?
    The bouton of the neuron does not release enough acetylcholine, causing less muscle contraction.
    The acetylcholinesterase in the motor end plate is inhibited, resulting in excessive amounts of acetylcholine attaching to receptors and muscle contraction to persist (spasticity).
    There is a lesion in the ventral root of the spinal nerve disrupting motor innervation of the muscles.
    Antibodies attack the nicotinic acetylcholine receptors, causing acetylcholine to be unable to attach to the receptors and is instead broken down.
    30s
  • Q8
    Which of the following connective tissue surrounds bundles of axons along with blood vessels supplying a nerve?
    Perineurium
    Epineurium
    Endoneurium
    30s
  • Q9
    Which of the following connective tissue surrounds just individual axons?
    Epinneurium
    Perineurium
    Endoneurium
    30s
  • Q10
    Which of the following connective tissue surrounds bundles of axons?
    Epinneurium
    Perineurium
    Endoneurium
    30s
  • Q11
    Which spinal roots are typically sensory axons entering the spinal cord?
    Dorsal roots
    Dorsal Nerve
    Ventral roots
    30s
  • Q12
    Cranial nerves typically have dorsal and ventral roots
    FALSE
    TRUE
    30s
  • Q13
    How many cranial nerves do we usually have?
    12
    13
    24
    30s
  • Q14
    Which cranial nerve innervates the muscles of mastication?
    CN V
    CN VIII
    CN VII
    30s
  • Q15
    What structures does the Dorsal ramus innervate?
    Anterolateral body wall
    Lower extremities
    Structures of the back
    30s

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