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Veterinary Medicine > Toxicology (EQ) > Flashcards

Toxicology (EQ) Flashcards

1
Q

Which plants cause pyrollizidine alkaloid hepatotoxicity?

A

Ragwort

Houndstongue

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2
Q

what is the most specific test for pyrollizidine alkaloid toxicity?

A

Alkaloid blood test

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3
Q

Which toxin is produced by sycamore?

A

Hypoglycin A (myotoxin)

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4
Q

What are the signs of sycamore toxicity?

A

Weak/fasciculation
Recumbency
Red urine
Inc serum muscle enzymes

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5
Q

Which toxins are produced by acorns?

A

Tannins (Enteroxins)

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6
Q

What are the signs of acorn toxicity?

A

Acute Death
Colic
Tenesmus
Haemorrhagic D+

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7
Q

How is acorn toxicity treated?

A

Medical Colic Tx

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8
Q

Name 3 plants that would cause cardiac toxicity in the horse.

A

Oleander
Foxglove
Rhododendron

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9
Q

Which plant causes pastern/cannon leukocytoclastic vasculitis?

A

St Johns Wort

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10
Q

Which plant causes oral irritation/ulcers?

A

Giant Hogweed

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11
Q

Which plant causes cyanide poisoning?

A

Sorghum

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12
Q

Which plant causes stringhalt signs?

A

Flatweed

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13
Q

Which plant causes atropine-like signs? (mydriasis/shaking/dry MMs)

A

Deadly nightshade

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14
Q

How is deadly nightshade poisoning treated?

A

Neostigmine
Activated charcoal
SUPPORT

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15
Q

Which plant causes anorexia, convulsions and cardiac dysrhythmias?

A

Bracken Fern

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16
Q

Which plant causes death is an opisthotonus position?

A

Bracken Fern

17
Q

How is bracken fern poisoning treated?

A

Thiamine IM

18
Q

Which plant causes death from respiratory paralysis?

A

Hemlock

19
Q

Which plant causes bradycardia, hypothermia, death and congestion in liver/spleen/lung?

A

Yew

20
Q

Which plant causes trembling and poor coordination, as well as nervousness?

A

Ergot

21
Q

Mouldy corn disease causes which clinical signs?

A

Blindness/ataxia/circling
Hyperexcitability/seizures
Death

22
Q

Which grass affects pregnant mares and unborn foals?

A

Fescue

23
Q

What are the 2 main Ddx for lead poisoning in the horse?

A

Rabies

Botulism

24
Q

Which mineral toxicity causes hair loss and laminitis?

A

Selenium

Veterinary Medicine (68 decks)

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