1. Large strongyles (subspecies: Strongylus vulgaris,
Strongylus edentatus, Strongylus equines) are also known as:
a. eye worms
b. plasma worms
c. skin worms
d. blood worms
2. A severe infestation of large strongyles is known
to often cause:
a. depression with vomiting
b. depression with moderate to severe colic and
fever, sometimes diarrhea
c. severe diarrhea, paralysis, swollen glands in
d. miscarriage, frequent urination, excessive
salivation, frequent foaling
3. Small strongyles are also known as:
There are about how many
species of small strongyles?
The common name for
b. Hair worms
c. Thread worms
Female stomach worms lay
small amounts of eggs on open wounds of the skin and these cause:
b. Winter sores
c. Summer sores
d. Ring worm
A wound that has been
infected with stomach worms has:
b. Lack of healing
c. Appear to heal in winter but reappear in
d. All of the above
What percentage of
horses in the world have been infected with bots (gastrophilus)?
Which of the following
is not true about bots?
Yellow colored eggs are laid on the muzzle, legs, neck, eyes, and other areas
b. Each female lays about 1,000 eggs
c. All types of wormers work for bots
d. The hatched bots burrow into the gums for 2-3
weeks before moving to the stomach for about a year.
e. G. hemmorrhoidalis lays black eggs.
The common name for
Oxyuris equi is:
c. Stomach worms
11. Pinworms are always
recognizable by this symptom because they are the ONLY worms to make this
symptom. Which is the symptom?
rubbing (scrub nose)
b. Weight loss
c. Rough coat
d. Tail rubbing (rat tail)
e. Enlarged belly
12. Roundworms are also
13. Roundworms only infect:
d. Horses under two years of age
e. Horses over 20 years of age
Which statement about
tapeworms is not true?
There are three common types of tapeworms found in horses: Paranoplocephala
mamillaman, Anoplocephala magna, and Anoplocephala perfoliata.
b. In some areas of the world as many as 50% of
the horses are infected.
c. Tapeworms do not cause clinical disease.
d. Tapeworms will not compete for nutrients in
e. In large numbers, tapeworms can cause
intestinal irritation, thickening of the bowel wall, ulcers, & perforation,
blockage around the sphincter.
15. Lungworms mature in the:
sacs (bronchioles) of the lung.
c. Brachia of the lung
Which best represents
the lifecycle of the lungworm?
Worms are swallowed, go through the large intestine and travel through the
lymphatic system to the lungs to mature.
b. Worms are swallowed, go through the
intestinal wall into the circulatory system then to the lungs to mature.
c. Worms are swallowed, then pass into the
kidneys and through the urine to the lungs.
d. Worms are swallowed, then pass through the
stomach wall, into the blood, through the spleen, to the lungs to mature.
17. The common name for
Trychostrongylus axei is:
c. Follicle worms
d. Brochiole worms
Most worms are ingested
by the horse. Which of the following is not as form of parasite transmission?
b. Manure from infected horses
c. Open wounds
e. Fresh, clean water
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