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Systemic Path > Jordan's study guide- Muscle > Flashcards

Jordan's study guide- Muscle Flashcards

1
Q

Single muscle cells with peripheral nucli, striations, and a high blood supply

A

Myofibers

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2
Q

Type 1 fibers

A

slow twitch Large number of mitochondria Postural and sustained activity

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3
Q

Type 2 fibers

A

Fast twitch Few mitochondria Rapid activity

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4
Q

What are the 2 types of distribution for muscle injury

A

Focal Multifocal

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5
Q

What are the 2 timelines for muscle injury

A

Monophasic Polyphasic

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6
Q

If you are kicked by a horse, what kind of injury is it

A

Monophasic focal

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7
Q

Chronic abuse, nutritional deficiency, toxicity are what kind of injury

A

polyphasic multifocal

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8
Q

Capture myopathy causes what kind of injury

A

Monophasic multifocal

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9
Q

Repeated pulling on a leash, or an ill fitted saddle cause what kind of injury

A

Polyphasic focal

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10
Q

Increase number of nucli lined up in a row central in the myofibril

A

satelitosis (increase number of nuclei)

Response to an injury

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11
Q

What are two common causes of circulatory disturbances

A

Downer cattle

Equine anestesia

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12
Q

What is an example of a horse toxin that would cause this to muscle

A

Monensin toxicity

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13
Q

Two bacterial causes of myositis

A

Clostridium (picture is black leg)

abscesses

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14
Q

3 parasitic causes of myositis

A

Toxoplasma gondii

Tricinella spiralis (picture)

Sarcocystis spp.

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15
Q

What disease causes white streaks in muscle

A

Sarcoysts

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16
Q

3 autoimmune causes of myositis

A

systemic lupis erythematosus

polymyositis

purpura hemorrhagica

17
Q

3 broad causes of myositis

A

Bacterial

Parasitic

Autoimmune

18
Q

What autoimmune disease is this

A

Masticatory muscle myositis

19
Q

What are some congenital myopathies

A

Malignant hyperthermia

Muscular dystrophy

Equine rhabdomyolysis

Hyperkalemic periodic paralysis

fainting goats

splayleg

20
Q

Caused by anesthesia or stress

Muscles continuously contract

Mutation in ryanodine receptor

A

Malignant hyperthermia

21
Q

Streaking and palor of the diaphragm

A

Duchenne’s muscular dystrophy

22
Q

This is seen with acidosis, stress, hoofstock, long legged birds

Disuse

A

Capture myopathy

23
Q

Caused by malnutrition

Vit E/ selenium deficiency

Fibrosis and free radical injury in frequently used muscles

A

White muscle disease

Nutritional myopathy

24
Q

Benign neoplasia of muscle

A

Rhabdomyoma

25
Q

Malignant neoplasia of muscle

A

Rhabdomyosarcoma

26
Q

Brachial plexus avulsion and layrngeal hemiplegia are examples of what

A

Denervation

Systemic Path (6 decks)

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