PNS II

Question 1

NEUROGENIC AND MYOGENIC CHANGES IN SKELETAL MUSCLE:
Disorders of skeletal muscles nay be caused by direct injury to _____ or by disruption of muscle innervation (neuropathic injury)

Answer 1

myofibers

Question 2

NEUROGENIC AND MYOGENIC CHANGES IN SKELETAL MUSCLE:

________: is seen when only part of a myofiber undergoes necrosis
________:can be seen as a physiologic adaptation to exercise or in association with certain chronic myopathic conditions
________: in the form of vacuoles, aggregates of proteins, or clustered organelles are characteristic of several primary forms of myopathy

Answer 2

segmental myofiber degeneration and regeneration
myofiber hypertrophy
cytoplasmic inclusions

Question 3

INFLAMMATORY MYOPATHIES
_________ is an immunologic disease in which damage to small blood vessels contributes to muscle injury

Answer 3

dermatomyositis

Question 4

INFLAMMATORY MYOPATHIES
________ is an adult-onset inflammatory myopathy that shares myalgia and weakness with dermatomyositis but lacks its distinctive cutaneous features

Answer 4

polymyositis