1. Kurt and Barb are discussing parasite infestation and infection. Kurt says that the parasite that lives on its host infests its host. Barb says that the parasite that lives in its host infects its host. Who’s correct?
A. Only Kurt is correct.
B. Neither is correct.
C. Both are correct.
D. Only Barb is correct.
2-What type of tapeworm is more of a threat to a dog’s owner than to the dog itself?
A. Dipylidium caninum
B. Taenia taeniaeformis
C. Echinococcus granulosus
D. Taenia pisiformis
3. You’ve adopted a stray cat that’s infested with lice. Several applications of an insecticide shampoo have limited the infestation for a while, but the lice keep coming back. A veterinarian recommends that you shave the cat and then apply the insecticide. What’s the reasoning behind this advice?
A. The larval lice are found on the hair and shaving reduces their numbers.
B. Without hair to feed on, the lice are weakened and thus easily killed by the insecticide.
C. Removing the hair allows the insecticide to come in contact with the lice on the skin.
D. The eggs are found on the hair and shaving removes them.
4. Which one of the following parasites can’t be prevented from infecting chickens by raising the birds on wire?
5-Which one of the following parasites of dogs is never found, at any stage of its life, in the lungs of the dog?
A. Trichuris vulpis
B. Ancylostoma caninum
C. Paragonimus kellicotti
D. Toxocara canis
6. Sean and Carol are discussing the life cycle of lice. Sean says that the life cycle of lice is eggs, larva, nymph, and adult. Carol says the life cycle of lice is egg, nymphs, and adult. Who’s correct?
A. Neither is correct.
B. Both are correct.
C. Only Sean is correct.
D. Only Carol is correct.
7. A ferret shares a house with a dog. Which one of the following parasites is the ferret unlikely to get from the dog?
D. Isospora canis
8. Which one of the following parasites causes an infection?
9. Which one of the following control methods would help prevent cattle from becoming infected with the beef tapeworm?
A. Treat infected cowhands before allowing them to take care of the cattle.
B. Do fecal exams on all the cows and treat all that are found to have proglottids in the feces.
C. Keep all dogs off the pasture.
D. Fence the pasture to keep out deer.
10. A friend has a dog with a tapeworm problem. The dog is four years old and has been kept indoors its entire life. However, it shares the house with a cat that’s let out each night. The dog has been treated several times with a drug. After each treatment the proglottids stopped appearing in the feces. However, after about two weeks, they begin to reappear. Why can’t your friend get rid of the dog’s infection?
A. The cat is bringing in the tapeworm eggs from outside and infecting the dog.
B. The drug the owner is using has no effect on tapeworms.
C. The dog has dormant larvae in its tissues that wake up after the drug treatment and move to the intestine and mature to adults.
D. The drug the owner is using has no effect on fleas.
11. Which of the following prefers the blood of cattle, deer, and humans?
C. Male face fly
D. Melophangus ovinus
12. A turtle has an open wound on one of its hind legs. The veterinarian has removed a parasite from under the skin at the edge of the wound. Which group does this parasite most likely belong to?
13. A rancher has received less money than expected for his cattle because the hides had holes in them. The rancher has been told that these holes have been caused by some type of fly. It’s currently the middle of winter and the rancher wants to use this time to treat the cattle to prevent the problem in the future. What would a veterinarian advise the rancher to do?
A. Wait until spring to treat the cattle before the larvae put holes in the skin.
B. Have the ranch hands wash the legs of all the young cattle with an insecticide.
C. Treat all the cattle right away to kill the larvae before they get to the skin.
D. Have the ranch hands clean up the cattle feces from the pasture to remove the pupae before they develop to adults in the spring.
14. What’s meant by a parasite that’s host-specific?
A. The parasite will infect only cattle and horses.
B. The parasite will infect any type of host.
C. The parasite will infect only the dog and cat.
D. The parasite will infect only one type of host.