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 the neck

d. miscarriage, frequent urination, excessive salivation, frequent foaling


3. Small strongyles are also known as:

a. Cyathostomes

b. Panacurstomes

c. Kidneystomes

d. Strongylustome


4.    There are about how many species of small strongyles?

a. 20

b. 80

c. 10

d. 40


5.    The common name for Habronemiasis is:

a. Stomach worms

b. Hair worms

c. Thread worms

d. Pinworms

e. Tapeworms


6.    Female stomach worms lay small amounts of eggs on open wounds of the skin and these cause:

a. Skin pores

b. Winter sores

c. Summer sores

d. Ring worm


7.    A wound that has been infected with stomach worms has:

a. Fast granulation

b. Lack of healing

c. Appear to heal in winter but reappear in summer

d. All of the above


8.   What percentage of horses in the world have been infected with bots (gastrophilus)?

a. 20%

b. 100%

c. 15%

d. 90%

d. 50%


9.   Which of the following is not true about bots?

a. 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.


10. The common name for Oxyuris equi is:

a. Ringworms

b. Threadworms

c. Stomach worms

d. Pinworms

e. Bots


11.    Pinworms are always recognizable by this symptom because they are the ONLY worms to make this symptom. Which is the symptom?

a. Nose rubbing (scrub nose)

b. Weight loss

c. Rough coat

d. Tail rubbing (rat tail)

e. Enlarged belly


12.   Roundworms are also known as:

a. Ascarids

b. Habronemiasis

c. Anoplocephalan

d. Trychostrongylus

e. Strongylus


13.   Roundworms only infect:

a. Mature horses

b. Stallions

c. Mares

d. Horses under two years of age

e. Horses over 20 years of age


14.   Which statement about tapeworms is not true?

a. 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 the horse.

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:

a. Air sacs (bronchioles) of the lung.

b. Trachea

c. Brachia of the lung

d. Diaphragm


16.   Which best represents the lifecycle of the lungworm?

a. 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:

a. Fur worms

b. Hair worms

c. Follicle worms

d. Brochiole worms

e. Threadworm


18.    Most worms are ingested by the horse. Which of the following is not as form of parasite transmission?

a. Infected grass

b. Manure from infected horses

c. Open wounds

d. Flies

e. Fresh, clean water




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