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CHT Exam - Peripheral Nerve Injuries- Questions and Answers
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CHT Exam - Peripheral Nerve Injuries- Questions and Answers
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CHT Exam - Peripheral Nerve Injuries- Questions andAnswers
Anterior division of brachial plexus Correct Ans-1. innervates anterior muscles and skin in
anatomical position
Posterior division of brachial plexus Correct Ans-1. innervates posterior muscles and skin
in anatomical position
T/F There are no peripheral nerves arising from divisions Correct Ans-True
Infraclavicular sections of brachial plexus Correct Ans-1. Cords
2. branches
Cords are named for their relationship to what artery? Correct Ans-1. axillary
Lateral cord Correct Ans-1. made up of superior and middle portion of anterior division
Peripheral nerves arising from lateral cord Correct Ans-1. Lateral pectoral (C5-7, pec major)
2. Musculocutaneous nerve (C5-7, biceps, coracobrachialis, brachialis. Continues to becomes
lateral cutaneous nerve of forearm)
3. Lateral root of median nerve (C6-7)
, CHT Exam - Peripheral Nerve Injuries- Questions and
Answers
Medial cord Correct Ans-1. continuation of inferior portion of anterior division
Peripheral nerves arising from medial cord Correct Ans-1. medial perctoral nerve (C8-T1,
pec major and minor)
2. Medial cut n of arm (C8-T1, skin to medial arm and superior FA)
3. Medial cut n of FA (C8-T1, skin to medial FA)
4. ulnar nerve (C8-T1)
5. medial root of median nerve (C8-T1)
Where are cell bodies of motor neurons housed? Correct Ans-1. anterior horn of spinal
cord
Where are cell bodies of sensory neurons housed? Correct Ans-1. just outside SC in dorsal
root ganglion
saltatory conduction Correct Ans-1. the jumping of action potentials from node to node
Perineurium Correct Ans-1. connective tissue sheath enclosing bundles of nerves called
fascicles
At what level of a nerve does surgical repair occur? Correct Ans-1. fascicles
, CHT Exam - Peripheral Nerve Injuries- Questions and
Answers
arteriae nervorum Correct Ans-1. intrinsic blood supply to nerves
Nervi nervorum Correct Ans-1. intrinsic nerve supply to nerves
Dorsal rami Correct Ans-1. supply nerve fibers to deep muscles of back and overlying skin
Ventral rami Correct Ans-1. supply nerve fibers to anterior, lateral trunk and upper and
lower limbs muscles and skin
Brachial plexus mnemonic Correct Ans-Robert Taylor Drinks Cold Beer
Supraclavicular sections of brachial plexus Correct Ans-1. roots
2. trunks
3. divisions
Peripheral nerves arising from roots Correct Ans-1. dorsal scapular nerve (c5, rhomboids
and +/- lev scap)
2. long thoracic nerve (C5-7, serratus anterior)
Location of brachial plexus trunks Correct Ans-1. between lateral border of anterior
scalene and clavicle
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