PlantsPlantsPlantsUgh Flashcards
(107 cards)
Poisoning by ingestion of seleniferous plants can be seen in the following states EXCEPT:
a. SD
b. ND
c. WY
d. FL
e. MO
D. Florida
Which of the following is NOT effective in the treatment of prevention of chronic selenium toxicosis?
intramuscular injection of BAL
Which metal toxicosis causes inhibition of the activity of several enzymes in heme synthesis?
Lead
The presence of an odor of rotten garlic in a fresh carcass is suggestive of acute toxicosis with?
Selenium
A dog showing GI signs followed by a phase of apparent recovery, which deteriorates into multiorgan failure is most likely poisoned with oral?
iron
The metal toxicosis LEAST likely to cause signs of gastroenteritis?
organic arsenic feed addititives
Lameness, hoof abnormalities, emaciation, and loss of hair in cattle MOST likely suggests toxicosis with
chronic selenium
A toxicant that causes elevated thiocyanate levels in urine is
cyanide
Soluble oxalate poisoning is often associated with which plants?
Halogeton
A selenium indicator plant which is grown widely in the west is?
Princes’s plume
Dogs poisoned by ingesting large amounts of chocolate will be expected to show which of the following clinical signs?
convulsions, tremors, tachycardia, and urination
Poisoning by which of the following plants may cause signs of vitamin B1 (thiamine) deficiency in monogastric animals?
horse tail
Which plant is very toxic because it has a phytotoxin?
castor bean (Ricinus communis)
This extremely toxic plant initially causes abdominal pain and vomiting in monogastric animals, followed by digitalis-like effects. This plant is known as?
oleander (Nerium oleander)
Which poisonous plant is most likely to produce a photodynamic substance that causes photosensitivity?
St. Johnswort
Ragwort or senecio (Senecio spp.) is a common plant in western Oregon and Washington that causes many losses in livestock, Mainly because it has this toxic principle.
pyrrolizidine alkaloids
Sudden onset of signs of hepatic insufficiency such as weight loss, icterus, incoordination, head pressing, aimless wandering, walking in circles, and other signs of mania, GI distress, tenesmus, are mainly signs due to ingestion of
Ragwort
The toxic principles of what plant act mainly by blocking nicotinic receptors at the neuromuscular junction
larkspur
Which poisonous plant acts like a mechanism similar to vitamin D?
Day-blooming jessamine
The toxic principle in day-blooming jessamine is
vitamin D analog
A reddish-brown gas that produces bronchial constriction and pulmonary edema is
nitrogen dioxide
Cyanide and hydrogen sulfide both
cause sudden death mainly due to preventing tissue oxygen utilization
Which of the following statements concerning hydrogen sulfide and cyanide is true?
sodium nitrate is useful in their treatment
Which of the following is least effective in the treatment of poisoning by cyanogenic plants?
activated charcoal orally