Study Questions From End Of Lectures Flashcards
(21 cards)
What are the clinical signs associated with Cycad toxicosis?
GI signs: vomiting (15 min - 1hr)
Liver: jaundice, cirrhosis, coagulopathy, pigementuria
CNS (2-3 days): ataxia, depression, paralysis, seizure
Ruminants: CNS—> ataxia, knuckling,posterior paralysis (Zamia staggers)
What is the treatment for Acer rubrum?
(Red maple)
Ascorbic Acid
Isotonic fluids(prevent Hgb to kidney)
Blood transfusion
Upon necropsy, which plant will result in a swollen and green liver due to buildup of bile?
Lantana (lantana camara)
Why are broken ferns toxic to livestock?
Ptaquiloside inhibits thiaminase —> stops metabolism
Ptaquiloside causes Myelosuppression
What is the toxic principle associated with groundsel?
Alkaloid monocrotaline
Which clinical sign would be most likely present following ingestion of Groundsel (Senecio vulgaris)? A - Labored breathing B - Myelosuppresion C - Jaundice D - Emphysema E - Cyanosis
C - Jaundice
What is the toxic method of Black Cherry (Prunus serotina)?
Cyanogenic glycosides
Oxalate crystals may be expected in the kidney following ingestion for which plant?
Common pokeweed
T/F Laryngeal edema can be a clinical sign associated with broken fern toxicosis
True
T/F Azalea species contain a toxin that blocks cytochrome C in the mitochondrial respiratory chain.
False
T/F Cyanogenic glycosides (CGs) in the plant kingdom is high (2500 species) and includes rhubarb.
False - does not include rhubarb (does include almonds, sorghum, cassava, Lima beans, dark cherry, and bamboo shoots
Why are onions toxic to cats?
N-propyl disulfide —> oxidative stress in RBC’s —> hemolytic anemia and Heinz bodies
What blood chemistry would you expect for Hematocrit, BUN
HCT - will go down (below 20%)
BUN - will go up
How to treat onion toxicosis?
N-acetyl cysteine (NAC)
Blood transfusions
Glutathione (anti-oxidant)
What are differentials for Hematopoietic toxicosis?
Red Maple, Brakenfern, Sweet clover
What symptoms are associated with Perilla Mint?
Acute interstitial Edema - labored, open mouth breathing, head and neck extension, frothing, expiratory sounds/coughing, sudden death
What is the toxic principle of perilla mint?
Perilla ketone
How would you treat perilla mint toxicosis?
No treatment
American Holly predominate affects what organ system?
GI
What is the toxic principle of mistletoe?
Lectins and phoratoxins
T/F - Azalea species contain a toxin that blocks cytochrome C in the mitochondrial respiratory chain.
F - grayanotoxins —> sodium channel blocker