Quiz 4

This toxic gas reacts with water in the respiratory tract to form nitric acid causing a condition termed "silo filler's disease," a clinical disease termed for individuals experiencing chronic dyspnea, coughing, and progressive weakness after being exposed to this gas.

nitrogen dioxide

This is the most common source of deadly, carbon monoxide gas:

incomplete combustion of carbon containing fuel from a space heater

When ingested, this type of battery can pass an electric current from the battery to the gastroinestinal tract, causing gastrointestinal burns, perforations and hemorrhage and should be considered a medical emergency in animals:

lithium disc/button battery

Cantharidin, the toxin released from blister beetles when they are chewed or ingested, primarily affects the following organ systems: 

GI tract and kidneys (renal)

What is the primary cause of gastrointestinal irritation, potential airway obstruction, and pain from insoluble oxalate-containing plants?

the “needle-like” calcium oxalate crystals in the plant

This type of cleaning agent is of most concern toxicologically due its potential to cause nervous system depression and severe irritation and damage to the oropharyngeal cavity:

cationic detergent

This toxic gas has a "rotten egg" smell and cases of exposure on farms often occurs after agitating/stirring manure pits:

hydrogen sulfide

A horse owner calls your clinic and tells you that her horse is on a new batch of hay and has been drooling so much it is concerning to her.  You do a site visit and discover the horse is hypersalivating and that the new bale of hay contains a lot of red clover.  Which of the following would be at the top of your differential diagnosis list?

slaframine

The owner of a hog farm has several pigs that are refusing to eat a new batch of feed and about 10 out of the 30 pigs on farm that have eaten the feed have started vomiting.  Which of the following mycotoxins would you suspect as the source of the issue in this case?

deoxynivalenol

You receive a call from a livestock owner who states that some of his cattle are poor doing and that some of them have skin sloughing or reddened skin.  He also tells you that there is a plant growing prevalently in the pasture that has yellow flowers and that the cows have been eating a lot of it for a couple of days.  You do a site visit and notice these cows have severe dermatitis and burns on the lighter-colored areas of skin.  You test blood serum from the affected animals and notice the liver enzymes (liver function tests) are significantly elevated.  Given the case history, clinical observations, and liver enzyme results, which of the following would you suspect might be occurring in these cows? 

secondary photosensitization