
Peripheral Nervous System & Lesions
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43 questions
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- Q1When commands are carried from the CNS to the peripheral tissue this is known as:Sensory integrationAlarplate innervationCentripetallyCentrifugally30s
- Q2Dorsal ramus of the spinal nerve innervates the:Extrinsic muscles of the backThe extremitiesThe anterolateral body wallIntrinsic muscles of the back30s
- Q3A 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 thighTop of the pinky toeMedial aspect of the legPosterior aspect of the thigh30s
- Q4All spinal nerves that contribute to a peripheral nerve all have equal role in the innervation of the myotome.TRUEFALSE30s
- Q5Which sensory fiber type receptor is supplied by skin mechanoreceptors, thermal receptors, and nociceptors?CAyIIIII30s
- Q6Which of the following is not a result of plexopathy?Widespread, bilateral motor involvement affects the limbsAutonomic disturbances occurLoss of reflexesSensory disturbances occurs in multiple dermatomes30s
- Q7What 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
- Q8Which of the following connective tissue surrounds bundles of axons along with blood vessels supplying a nerve?PerineuriumEpineuriumEndoneurium30s
- Q9Which of the following connective tissue surrounds just individual axons?EpinneuriumPerineuriumEndoneurium30s
- Q10Which of the following connective tissue surrounds bundles of axons?EpinneuriumPerineuriumEndoneurium30s
- Q11Which spinal roots are typically sensory axons entering the spinal cord?Dorsal rootsDorsal NerveVentral roots30s
- Q12Cranial nerves typically have dorsal and ventral rootsFALSETRUE30s
- Q13How many cranial nerves do we usually have?12132430s
- Q14Which cranial nerve innervates the muscles of mastication?CN VCN VIIICN VII30s
- Q15What structures does the Dorsal ramus innervate?Anterolateral body wallLower extremitiesStructures of the back30s