Final Exam Flashcards
Pride of Barbados/Poinciana/Bird of Paradise:
Name the Toxin
Name the Clinical Sign
Toxin: Tannic Acid
Clinical Signs: Constipation, Depression, Diarrhea
Anemone and Ranunculus:
Name the Toxin
Name the Clinical Signs
Toxin: Protoanemonin
Clinical Signs: Severe GI Irritation and Dermatitis
Treatment for Xylitol Toxicosis
Decontamination- Inducing Vomiting
50% Dextrose IV- Treat Hypoglycemia
*Activated Charcoal is not very Effective
Plant that Causes:
Methemoglobinemia
Abortion
Hypocalcemia
Kidney Damage
Renal Failure in Ruminants
Pigweed
Sources of which Industrial Toxin:
Gasoline
Kerosene
Lubricating Oils
Fuel Oils
Oil Spills
Petroleum
Toxic Plant that accumulates Nitrate and Soluble Oxalate and an unknown toxin that commonly causes Renal Failure in Livestock
Pigweed (Amaranthus)
The Primary Effect of Coral Snake Toxins
Neurotoxic
Mechanism of action of which Plant Toxicosis:
Ptaquiloside
*Braken Fern
Yew:
Name the Toxin
Name the Clinical Signs
Toxin: Taxine Alkaloids
Clinical Signs: Cardiotoxic and GI Signs
Ethanol and Methanol Toxicosis cause CNS ______
Depression
*Ataxia progressing to CNS Depression
Milkvetch:
Name the Toxin
Name the Clinical Signs
Toxin: Nitropropanol Glycoside
Clinical Signs: Respiratory and Neurological Signs
Two plants that cause Quinones Toxicosis
St. Johns Wort (Hypericum Perforatum)
Buckwheat (Fagopyrum Esculentum)
*Cause Primary Photosensitization
Peace Lily (Spathiphyllum):
Name the Toxin
Name the Clinical Signs
Toxin: Insoluble Calcium Oxalate
Clinical Signs: Irriation of the Oral Mucosa
Illicit Drug that works on CB1 and CB2 Receptors. CB1 is widely distributed in the Brain and has effects on Memory, Perception and Control of Movement
Marijuana
Three Main Organs Affected in Bufo Toad Intoxication
Heart
Blood Vessels
CNS
Which Species is Most Sensitive to Phenolic Compounds
Cats
*Phenolic Compounds are Metabolized through Glucuronidation, which cats are Deficient in
Mechanism of action of which Plant Toxicosis:
Cardiotoxic by Inhibiting Na/K ATPase
Cardiac Glycosides
Lesions of ______:
Burns
Pulmonary Changes- Presence of Soot, Pulmonary Edema ect.
Cerebral Edema
Smoke Inhalation
Species that is most susceptible to Marijuana Toxicosis
Dogs
Toxicosis caused by Ingestion of Disinfectants, Antiseptics, Germicides, and Household Cleaners
Phenolic Compounds
Lesions associated with which Household Toxicosis:
Ulceration and Necrosis of the GI Mucosa and Skin
Fatty Degeneration and Necrosis of Liver
Renal Tubular Degeneration and Necrosis
Phenolic Compounds
Clinical signs of ______:
Cough
Dyspnea
Tachypnea (Rapid Breathing)
Wheezing
Tachycardia
Hypoxemia
Smoke Inhalation
*Many Clinical Signs- Also Include, Conjunctivitis, Drooling, hoarseness, Edema, Mucosal Ulcerations, Confusion, Ataxia, Surface Burns
Castor Bean:
Name the Toxin
Name the Clinical Sign
Toxin: Lectins (Phytotoxin in Seeds)
Clinical Signs: Severe GI Signs, Bloody Diarrhea
Sources of which Toxic Gas?
Decomposing Manure in confined Animal Houses
Burning Nylon/Plastic
Agricultural Fertilizers
Ammonia (NH3)
Most Susceptible Species to Nitrate Poisoning
Ruminants (Mainly Cattle)
*Nitrate Reductase is Present in the Rumen Microflora and converts Nitrate to Nitrite, which is Toxic
Cocklebur:
Name the Toxin
Name the Clinical Signs
Toxin: Sulfated Glycoside
Clinical Signs: Liver Damage
Treatment for Cocaine Toxicosis
Inducing Vomiting
Gastric Lavage
Diazepam- Control Seizures
Physic Nut:
Name the Toxin
Name the Clinical Signs
Toxin: Diterpene Esters
Clinical Signs: Skin and Eye Irritation, GI Signs
Which Toxic Plant Toxin is a Volatile Gas with a Characteristic Bitter Almond Odor?
Cyanide
Clinical Signs of which Industrial Toxin:
Aspiration Pneumonia
Shivering
Incoordination/Ataxia
Abnormal Lung Sounds
Smell of Oil or Kerosene
Petroleum
Narcissus:
Name the Toxin
Name the Clinical Signs
Toxin: Lycorine Alkaloid
Clinical Signs: Severe Vomiting and Diarrhea
Chinese Lantern:
Name the Toxin
Name the Clinical Signs
Toxin: Solanine and Solanidine Alkaloids
Clinical Signs: Vomiting, Diarrhea
Best Specimen to take for Cyanide Poisoning after Death of the Animal
Brain and Heart
Coffeeweed, Senna:
Name the Toxin
Name the Clinical signs
Toxin: Anthraquinone and Unknown Toxin
Clinical Signs: Diarrhea, Skeletal muscle Myopathy
Christmas Candle:
Name the Toxin
Name the Clinical Signs
Toxin: Diterpene Esters
Clinical Signs- Eye and Skin Irritation and Allergy
Lesions from which Industrial Toxicosis:
Dental Lesions- Severe in Developing Teeth
Bone Lesions
Fluoride
Mechanism of Action of which Plant Toxicosis:
Hypocalcemia and Precipitation of Insoluble Calcium Oxalates in Soft Tissues and Kidney Damage
Soluble Oxalate
Soot if Finely Carbonaceous Particulate Matter suspended in the Gases and Hot Air of Smoke. _____ Adheres Highly to Soot
Sulfur Dioxide
Oak Tree:
Name the Toxin
Name the Clinical Signs
Toxin: Tannic Acid
Clinical Signs: Constipation, Depression, Diarrhea
Characteristic Odor associated with Cyanide Poisoning
Bitter Almond
*Cyanide is a Volatile Gas
Mechanism of Action of which Plant Toxicosis:
Competitive Blockade of the Nicotinic Receptors at Muscle Endplate
Diterpene Alkaloids
Treatment for Detergent Toxicosis
Nonionic- Rinse with Copious Water
Anionic- Water/Milk for Ingestion, Activated Charcoal
Cationic- Water, Milk, Egg Whites or Activated Charcoal
Which I_llicit Drug_ undergoes Enterohepatic Recirculation
Marijuana
*Enterohepatic Circulation- Therefore need multiple Doses of Activated Charcoal
Main Clinical Signs associated with Insoluble Calcium Oxalate Toxicosis
Irritation and Pain of the Oral Mucosa
*Insoluble Calcium Oxalates are not absorbed, therefore they only have Local Mechanical Effects
_____ of the Smoke Inhalation Toxin is the most important Determinant of Respiratory Injury
Solubility
Dumbcane:
Toxin Present
Clinical Signs
Dumbcane (Dieffenbachia)
Toxin Present: Insoluble Calcium Oxalate
Clinical Signs- Irriation of Lips and Mouth
Senecio, Ragwort:
Name the Toxin
Name the Clinical Signs
Toxin: Pyrrolizidine Alkaloids
Clinical Signs: Hepatotoxic- Photosensitization and Encephalopathy
True/False: Activated Charcoal is not effective in adsorbing Marine Toad (Bufo) Toxins
False
Benzodiazepines may cause CNS Stimulation and are NOT Recommended for Treatment of _____
Amphetamine Toxicosis
Monstera, Swiss Cheese Plant:
Name the Toxin
Name the Clinical Signs
Toxin: Insoluble Calcium Oxalate
Clinical Signs: Irritation of Mouth and Lips
Lesions of which Plant Toxicosis:
Congestion in Various Organs
Brown-Chocolate Color Blood
Nitrate/Nitrite Poisoning
*Brown-Chocolate color of Blood due to Methemoglobin
Devils Trumpet/Angels Trumpet:
Name the Toxin
Name the Clinical Signs
Toxin: Tropane Alkaloid (Atropine)
Clinical Signs: Mydriasis, Dry Mouth, Tachycardia, Hypertension, Hallucinations Seizures
Phenolic Compounds are Metabolized mainly in the liver via _______
Glucuronidation
Milkweed:
Name the Toxin
Name the Clinical Signs
Toxin: Cardiac Glycosides
Clinical Signs: Severe GI signs, Dilated Pupils, Convulsions
Treatment for Nitrate/Nitrite Poisoning
Methylene Blue 1% IV- Converts Methemoglobin back into Hemoglobin
Supportive Treatment- Activated Charcoal, Ruminal Lavage
*Animals normally die before treatment because death is RAPID
Black Nightshade (Solanum Niger):
Name the Toxin
Name the Clinical Signs
Toxin: Solanine and Solanidine Alkaloids
Clinical Signs: Vomiting, Mydriasis
*Berries are Toxic when they are Green
Name the Plant
What Toxins are Present?
Clinical Signs?
Johnson Grass
Toxins: Nitrate and Cyanide
Clinical Signs: Respiratory Signs
*Side Note: Sudan Grass ALSO contains Nitrate and Cyanide
Plant that causes these Clinical Signs in Horses
Yellow Starthistle
Caladium (Caladium Tricolor):
Toxin
Clinical Signs
Caladium (Caladium Tricolor)
Toxin- Insoluble Calcium Oxalate
Clinical Sign- Irritation of Lips and Mouth
Cocoa and Coffee:
Name the Toxin
Name the Clinical Signs
Toxin: Xanthine Alkaloids
Clinical Signs: Vomiting, Salivation, Colic, Diarrhea, CNS Stimulation, Convulsive Seizures
Mineral that causes Signs of Copper Deficiency including:
Watery Diarrhea
Anemia
Dipigmentation
Demyelination
Molybdenum
*Treatment for Molybdenum Toxicosis- Copper
Which Industrial Toxin is mainly stored in Bones and Teeth of Cattle
Fluoride
Christmas Kallanchoe:
Name the Toxin
Name the Clinical Signs
Toxin: Cardiac Glycoside
Clinical Signs: Severe GI Signs
Autumn Crocus/Meadow Saffron:
Name the Toxin
Name the Clinical Signs
Toxin: Colchicine
Clinical Signs: GI Signs, Cardiovascular Signs (Arrhythmias), Respiratory Signs, Renal Failure, Hepatic Failure
Which Plant toxicosis cause Severe Liver Damage and Liver Necrosis
Pyrrolizidine Alkaloids
*Hepatotoxic
Two Plants that commonly Cause Soluble Oxalate Poisoning
Halogeton
Greasewood
Specimen of Choice for Nitrate Poisnoing in Animals that have Died
Ocular Fluid
Ponderosa Pine (Pinus Ponderosa):
Name the Toxin
Name the Clinical Signs
Toxin: Isocupressic Acid
Clinical Signs: Abortion in Cattle
Lesions for which Toxic Gas Toxicosis:
Blood is Bright Red
Brain Edema, Hemorrhage and Necrosis on Necropsy
Carbon Monoxide
Clinical Signs of which Toxicity:
Methylxanthine Toxicity
*Death may occur due to Cardiac Arrhythmias, Respiratory Failure, or Terminal Seizures
*Methylxanthine- CNS Stimulation (Seizures), Massively High Heart Rates and Arrhythmias
Treatment for Carbon Monoxide Toxicity
Oxygen Administered with Positive Pressure
*Recovery may or may not occur
True/False: Human Urine Tests for Marijuana are not Effective in Dogs
True
Mechanism of action of which Toxic Gas?
Combines with Hemoglobin to form Carboxyhemoglobin which cannot Carry Oxygen. Carboxyhemoglobin interferes with release of Oxygen carried by Normal Hemoglobin
Carbon Monoxide
*Binds with Hemoglobin and Dispaces Oxygen and prevents Oxygen from Binding
Mechanism of Action of which Plant Toxicosis:
Plant cells have Needle Shaped Calcium Oxalate Crystals that Penetrate the Oral Mucosa, Tongue and Throat causing Irritation
Insoluble Calcium Oxalate
True/False: Ethanol is:
Widely Distributed in the CNS
Metabolized by Hepatic Alcohol Dehydrogenase to Acetaldehyde
True
Alsike Clover and Red Clover:
Name the Clinical Signs
Hepatotoxicity and Secondary Photosensitization in Horses Only
Chronic ____ Poisoning causes Hemolytic Crisis in Sheep
Copper
Mechanism of action of which Plant Toxicosis:
Thiaminase
Clinical Signs of which Illicit Drug?
Cocaine
Toxicity caused by Ingestion of Cacao Beans and Chocolate Products
Methylxanthine Toxicity
Acute _____ poisoning is directly responsible for more deaths in closed animal facilities than any other gas
Hydrogen Sulfide
Horsetail:
Name the Toxin
Name the Clinical Signs
Toxin: Thiaminase
Clinical Signs- Thiamine Deficiency- Neuronal Damage in Horses
Chronic _____ Toxicosis will cause Hoof and Hair Abnormailites
Selenium
Nitrate is Reduced by Rumen Microflora to Nitrite, which is Converted to _____, and converted into Amino Acids and Microbial Proteins
Ammonia
*The rate of conversion of Nitrite to ammonia is slower than the rate of converstion of Nitrate to Nitrite
*Toxicity is due to NITRITE- Lipid Soluble and can cross Membranes
Chinese Evergreen:
Name the Toxin
Name the Clinical Signs
Toxin: Insoluble Calcium Oxalate
Clinical Signs: Irritation of Lips and Mouth
Methylxanthines are readily absorbed from the GIT and are widely distributed throughout the body, including the CNS. They are Metabolized in the liver and Undergo _____
Enterohepatic Recycling
Three Specific Treatments for Cyanide Poisoning
Sodium Nitrite 20% IV
Sodium Thiosulfate 20% IV
Sodium Thiosulfate Orally
*All of these are treatments that can be used
Lesions associated with which Plant Toxicosis:
Plant Present in Rumen
Petechial Hemorrhage in the GI Mucosa
Mouth and Esophagus filled with Blood-Tinged Froth
Oxalate Crystals in Renal Tubules
Soluble Oxalate Poisoning
Rhubarb and Beets can cause what type of Toxicosis?
Soluble Oxalate
Treatment for Petroleum Toxicity
Removal of Oil from Body Surfaces by Soap and Water
Activated Charcoal
*Emetics and Gastric Lavage are CONTRAINDICATED due to Tracheal and Mucosal Ulceration
Treatment for Snake Bite Intoxication
First Aid Measures
St. Johnswort:
Name the Toxin
Name the Clinical Signs
Toxin: Quinones
Clinical Sign: Primary Photosentitization- Erythema, Prutitis, Edema and Necrosis of Skin
Which Illicit Drug is:
Highly Lipid Soluble
Rapidly Absorbed by Ingestion or Inhalation
Binds Extensively to Plasma Proteins (99%)
Widely Distributed all over the Body including CNS
Marijuana
Test Kit that can be used to Diagnose Cyanide Poisoning
Sodium Picrate Paper Test
This is Chokecherry (Prunus):
Which Toxin is Present in this Plant?
Cyanide
Lesions of which Toxic Gas Toxicity:
Blood is Dark (Black) and may not Clot
Tissue Dark or Greenish Purple
Carcass has Odor of Sewage (Rotten Eggs)
GI Contents may be Black
Hydrogen Sulfide
Three Classifications of Combustion Products associated with Fire
Simple Asphyxiants- Inert Gases that Displace Oxygen in Air
Chemical Asphyxiants- Prevent Uptake of Oxygen
Irritants- Chemically Reactive on Mucous Membranes
Which Toxicosis:
Stimulates Insulin Release
Causes Hypoglycemia in Canines
Xylitol
True/False: Cocaine is:
Highly Lipid Soluble
Crosses the Blood Brain Barrier and Alveolar Capillaries
True
Rattlesnake Vaccine for Dogs protects against Rattlesnake Species Venom, Including Copperhead Bites, in North America except for _____
Mojave Rattlesnake
Moldy, Damaged Sweet Clover:
Name the Toxin
Name the Clinical Signs
Toxin: Coumarin Glycosides
Clinical Signs: Hemorrhage
Calla Lily (Zantedeschia Aeithiopica)
Name the Toxin
Name the Clinical Signs
Toxin: Insoluble Calcium Oxalate
Clinical Signs: Irritation to Oral Mucosa
Toxicosis caused when by Ingestion of Ethanol containing Beverages, Fermented Bread Dough, or Rotten Fruits
Ethanol Toxicosis
Name the Plant
What is the Toxic Effect?
What are the Toxins?
Pigweed
Toxins- Soluble Oxalate, Nitrate, Unknown Toxin
Toxic Effects- Hypocalcemia, Methemoglobinemia, Renal Failure, Abortion
Cyanide in the presence of Thiosulfate is metabolized by the Serum and Liver Sulfurtransferase to _____, which is Relatively Less Toxic and is excreted in Urine
Thiocyanate
*Acutely it does not cause any problem, but chronically can cause Antithyroid Effect
Sources of which Industrial Toxin:
Forages and Pastures can be Contaminated
Natural Waters
Feed and Mineral Supplements
Fluoride
*Fluoride is a normal Constituent of Forages and plants that grow in Flouride Rich Soil
Two Poisnonous Snakes from North America
Pit Vipers (Crotalidae)- Rattlesnakes, Copperheads
Coral Snakes (Elapidae)
Clinical Signs associated with Which Toxicosis:
Weakness/Ataxia
Seizures
Liver Failure
Xylitol
Hypoglycemia- Causes Weakness, Ataxia and Seizures
Dogs suffering from Liver Failure may not show signs of Hypoglycemia
Toxicity caused by Accidental Exposure to Household Products and Swimming Pool Products that Contain Sodium Hypochlorite
Bleach Toxicity
Best Specimen for Laboratory Diagnosis of Fluoride Toxicity
Bone
Chronic ____ Toxicity leads to Neuronal Degeneration and Demyelination in the Spinal Cord in Brain
Cyanide
More than 80% of Fire-Related Deaths are from ______
Smoke Inhalation
*Younger animals are more likely to present for smoke inhalation but recover
Clinical Signs of which Toxic Gas:
Red Mucous Membranes
Coughing and Nasal Discharge
Decreased Growth Rate
Dyspnea
Ammonia
True/False: Bites by Coral Snakes are Rare and 60% of bites are nonenvenomating
True
Carbon Monoxide
Greasewood (Sarcobatus Vermiculatus) is a Toxic Plant that commonly causes which Toxicity?
Soluble Oxalate Toxicity
Enzyme that converts Nitrate To Nitrite, that can occur either in the Plant or after absorption of Nitrate in the Blood
Nitrate Reductase
*Lethal Synthesis- Nitrite is Toxic
Lesions associated with which Toxicosis:
Congestion of GI Mucosa
Congestion of Liver, Kidney, and Lungs
Ethanol/Methanol
*Diagnosis based on Clinical Signs, History and Blood Alcohol Levels