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ZZ3 Systemic Pathology > Muscular Pathology > Flashcards

Muscular Pathology Flashcards

1
Q

small collection of atrophied fibers caused by denervation

A

small group atrophy

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2
Q

seen in reinnervated muscle

A

type grouping

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3
Q

describe extreme form of type grouping

A

fiber type dominance

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4
Q

less than 10 percent of the fibers may be of one type

A

fiber type deficiency

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5
Q

muscle fibers replaced by adipose tissue

A

steatosis

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6
Q

autoimmune neuromuscular disease char. By weakness of the skeletal muscles of the body

A

myasthenia gravis

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7
Q

myasthenia gravis is alleviated by or administration of what drug

A

anticholinesterase drugs

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8
Q

muscle continuous to contract actively even after stimulus has ceased

A

myotonia

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9
Q

Type II glycogenosis

A

acid maltase deficiency

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10
Q

Pompe disease is deficient of

A

acid maltase

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11
Q

cori forbes disease is deficient of

A

debranching enzyme

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12
Q

Type III is common in

A

GS, Japanes Quail, Cats

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13
Q

muscle phosphofructokinase deficiency

A

Type VII

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14
Q

sustained action, weight bearing, slow twicth, high OE, low ATPase, many mitochondria, abundannt fat

A

Type I Red muscle

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15
Q

pale hmorrhage of muscle during necropsy

A

myorrhexia

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16
Q

green discoloration of muscle

A

eosinophilic myositis

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17
Q

contraction and stiffening of muscles

A

rigor mortis

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18
Q

rigor mortis may be slight or may not occur in this animal

A

cachectic animal

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19
Q

successful regeneration

A

presence of intact sarcolemma tube and available viable satellite cell

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20
Q

cause gas gangrene

A

Clostridium novyi

21
Q

bacteria causing malignant edema

A

Clostridium septicum

22
Q

migrates from the gut to muscl and enter myofibers and grow in tongue, masseter, diaphragm

A

Trichinella spiralis

23
Q

cause small, white or gray cyst in the heart, masseter and tongue

A

Cysticercus bovis

24
Q

in LM, there is displacement of myofiber by cyst but little myositis

A

Cysticercus bovis

25
Q

seen in devitalized muscle, associated with shearing, castration bacterial decomposition

A

gas gangrene

26
Q

associated with penetrating wound and, no putrefaction, production of an exotoxin with lecithinase activity

A

malignant edema

27
Q

etiologic agent of black leg

A

Clostridium chauvoei

28
Q

muscle odor is rancid butter upon gross examination indicates this condition

A

black leg

29
Q

small white or gray cyst in heart, masseter, tongue

A

Cysticercus bovis

30
Q

nutritional myopathy economically important muscle dis. in cattle and pig

A

white muscle disease

31
Q

toxic myopathy caused by cotton seed which pigs are most susceptible

A

gossypol

32
Q

a product of normal cell function, initiate cell injury by causing peroxidation of membrane lipids

A

free radical

33
Q

etiology of white muscle disease

A

Deficiency of Vitamin E or Selenium, or deficiency of both

34
Q

scavenger for free radical

A

Vit E

35
Q

essential component of glutathione peroxidase, intracellular enzyme in neutralizing free radical

A

selenium

36
Q

striking lesion of white muscle disease on piggs

A

liver, heart (mulberry heart disease)

37
Q

intensive or exhaustive activity of major muscle

A

exertional myopathy

38
Q

acute for of Monday morning disease

A

azoturia

39
Q

less severe form of equine rhabdomyolysis

A

tying up syndrome

40
Q

Char. Of azoturia upon necropsy

A

muscles are salmon pink, become dark, then moist

41
Q

Monday morning disease is what kind of myopathy

A

exertional myopathy

42
Q

myasthenia gravis is associated with this neoplasm

A

thymoma

43
Q

most common form of the disease and cases present with generalized muscle weakness that is accentuated by mild exercise

A

acquired myasthenia gravis

44
Q

focal form of myasthenia gravis affects these muscles

A

esophagus, extraocular muscle, muscles innervated by CN V, VII, IX

45
Q

benign tumor of skeletal and cardiac muscles

A

rhabdomyoma

46
Q

malignant tumor of skeletal and cardiac muscles

A

rhabdomyosarcoma

47
Q

when muscle tissue is destroyed, myoglobin is passed out on urine causing kidney damage

A

azoturia

48
Q

benign tumor of smooth muscles

A

leiomyoma

49
Q

malignant tumor of smooth muscles

A

leioyomyosarcoma

ZZ3 Systemic Pathology (16 decks)

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