Muscular Pathology

Question 1

small collection of atrophied fibers caused by denervation

Answer 1

small group atrophy

Question 2

seen in reinnervated muscle

Answer 2

type grouping

Question 3

describe extreme form of type grouping

Answer 3

fiber type dominance

Question 4

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

Answer 4

fiber type deficiency

Question 5

muscle fibers replaced by adipose tissue

Answer 5

steatosis

Question 6

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

Answer 6

myasthenia gravis

Question 7

myasthenia gravis is alleviated by or administration of what drug

Answer 7

anticholinesterase drugs

Question 8

muscle continuous to contract actively even after stimulus has ceased

Answer 8

myotonia

Question 9

Type II glycogenosis

Answer 9

acid maltase deficiency

Question 10

Pompe disease is deficient of

Answer 10

acid maltase

Question 11

cori forbes disease is deficient of

Answer 11

debranching enzyme

Question 12

Type III is common in

Answer 12

GS, Japanes Quail, Cats

Question 13

muscle phosphofructokinase deficiency

Answer 13

Type VII

Question 14

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

Answer 14

Type I Red muscle

Question 15

pale hmorrhage of muscle during necropsy

Answer 15

myorrhexia

Question 16

green discoloration of muscle

Answer 16

eosinophilic myositis

Question 17

contraction and stiffening of muscles

Answer 17

rigor mortis

Question 18

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

Answer 18

cachectic animal

Question 19

successful regeneration

Answer 19

presence of intact sarcolemma tube and available viable satellite cell

Question 20

cause gas gangrene

Answer 20

Clostridium novyi

Question 21

bacteria causing malignant edema

Answer 21

Clostridium septicum

Question 22

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

Answer 22

Trichinella spiralis

Question 23

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

Answer 23

Cysticercus bovis

Question 24

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

Answer 24

Cysticercus bovis

Question 25

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

Answer 25

gas gangrene

Question 26

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

Answer 26

malignant edema

Question 27

etiologic agent of black leg

Answer 27

Clostridium chauvoei

Question 28

muscle odor is rancid butter upon gross examination indicates this condition

Answer 28

black leg

Question 29

small white or gray cyst in heart, masseter, tongue

Answer 29

Cysticercus bovis

Question 30

nutritional myopathy economically important muscle dis. in cattle and pig

Answer 30

white muscle disease

Question 31

toxic myopathy caused by cotton seed which pigs are most susceptible

Answer 31

gossypol

Question 32

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

Answer 32

free radical

Question 33

etiology of white muscle disease

Answer 33

Deficiency of Vitamin E or Selenium, or deficiency of both

Question 34

scavenger for free radical

Answer 34

Vit E

Question 35

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

Answer 35

selenium

Question 36

striking lesion of white muscle disease on piggs

Answer 36

liver, heart (mulberry heart disease)

Question 37

intensive or exhaustive activity of major muscle

Answer 37

exertional myopathy

Question 38

acute for of Monday morning disease

Answer 38

azoturia

Question 39

less severe form of equine rhabdomyolysis

Answer 39

tying up syndrome

Question 40

Char. Of azoturia upon necropsy

Answer 40

muscles are salmon pink, become dark, then moist

Question 41

Monday morning disease is what kind of myopathy

Answer 41

exertional myopathy

Question 42

myasthenia gravis is associated with this neoplasm

Answer 42

thymoma

Question 43

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

Answer 43

acquired myasthenia gravis

Question 44

focal form of myasthenia gravis affects these muscles

Answer 44

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

Question 45

benign tumor of skeletal and cardiac muscles

Answer 45

rhabdomyoma

Question 46

malignant tumor of skeletal and cardiac muscles

Answer 46

rhabdomyosarcoma

Question 47

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

Answer 47

azoturia

Question 48

benign tumor of smooth muscles

Answer 48

leiomyoma

Question 49

malignant tumor of smooth muscles

Answer 49

leioyomyosarcoma