Review

Question 1

Toxocara canis are:

Answer 1

roundworms

Question 2

Who is at higher risk for zoonotic disease?

Answer 2

Infants, small children, and elderly
Animal health care providers
Immune-compromised individuals

Question 3

Which of the following parasiticides would be used to treat an animal that harbors nematodes?

Answer 3

Anthelmintics

An animal that harbors nematodes, which are roundworms, would be treated with anthelmintics; anthelmintics also kill tapeworms, flukes, and thorny-headed worms. Acaricides kill mites and ticks. Insecticides kill insects. Antiprotozoals kill protozoan organisms.

Question 4

Which of the following parasiticides would be used to treat an animal that harbors mites?

Answer 4

Acaricides

Question 5

Acanthocephalans are ___________.

Answer 5

thorny-headed worms

Question 6

Which parasite can be transmitted through bare feet?

Answer 6

Ancylostoma spp.
Hookworms

Question 7

Toxocara spp. can cause visceral larval migrans in children
t/f

Answer 7

true

Question 8

Hookworms can cause cutaneous larval migrans in humans
t/f

Answer 8

true

Question 9

Which of the following statements about Giardia species is the most accurate?

Answer 9

They are protozoans.

Giardia species are protozoans, which are single-celled endoparasites. They can be transmitted by intermediate hosts but are not intermediate hosts themselves. They are not flatworms.

Question 10

Which of the following are species of hookworm?

Answer 10

Ancylostoma caninum and Ancylostoma braziliense

Question 11

A pseudoparasite is:

Answer 11

A creature that is mistaken for a parasite

Question 12

Zoonosis is:

Answer 12

Disease or parasite that is transmissible from animals to humans

Question 13

Ectoparasite is

Answer 13

Parasitism by an external parasite

Question 14

Endoparasite is

Answer 14

Parasitism by an internal parasite

Question 15

Having separate sexes—both male and female nematodes

Answer 15

Dioecious

Question 16

Trematodes and cestodes are hermaphroditic (monoecious) t/f

Answer 16

true

Question 17

Female nematodes that produce eggs containing either a single-cell stage or a morula stage within the eggshell are:

Answer 17

oviparous

Question 18

___ is the roundworm of pigs.

Answer 18

Ascaris suum

Ascaris suum is the roundworm of pigs. Haemonchus contortus is the “barber pole worm” of ruminants. Ancylostoma caninum is the hookworm of dogs. Trichuris vulpis is the whipworm of dogs.

Question 19

___ is the “giant kidney worm” of dogs.

Answer 19

Dioctophyma renale

Question 20

___ is the heartworm of dogs and cats.

Answer 20

Dirofilaria immitis

Question 21

___ is the heartworm of dogs and cats.

Answer 21

Dirofilaria immitis

Question 22

What is the generic type of egg and which animals’ feces would you most likely find it in?

Answer 22

Strongyle, Cow

Question 23

What is the infective stage for most roundworms?

Answer 23

L3

Question 24

What is the infective stage for most Hookworms

Answer 24

L3

Question 25

What is the “method of choice” for fecal flotation testing:

Answer 25

Fecal Centrifugation

Question 26

What is the infective stage for most Whipworms?

Answer 26

L1

Question 27

Neural larval migrans is most commonly caused by ____________________, an ascarid infecting raccoons

Answer 27

*Baylisascaris procyonis*

Question 28

The intermediate host for Dipylidium caninum is:

Answer 28

flea

Question 29

the organism from which the other one derives nourishment

Answer 29

Host

Question 30

one organism benefits, the other is harmed

Answer 30

parasitism

Question 31

both organisms benefit

Answer 31

mutualism

Question 32

two organisms living together

Answer 32

symbiosis

Question 33

One organism benefits, the other is unaffected

Answer 33

commensalim

Question 34

When performing a direct smear, a dab of sample of feces should be mixed with a drop of _______________________ on a slide.

Answer 34

saline

Question 35

Tapeworm infections are most often diagnosed in small animals by which of the following methods?

Answer 35

gross examination

Question 36

What is the holdfast organelle on the extreme anterior end (head) of a cestode called?

Answer 36

scolex

Question 37

True tapeworms have these to hold (suction) themselves onto the lining of the small intestine.

Answer 37

Acetabula

Question 38

If a tapeworm does not have a set of these, it is considered to be “unarmed.”

Answer 38

Rostellum

Question 39

Tapeworm known as beef measles

Answer 39

Taenia saginata

Question 40

This tapeworm does not require an intermediate host

Answer 40

Hymenolepis nana

Question 41

Gastrophilus `

Answer 41

Flybot

Question 42

malarsamine

Answer 42

heartworm tx

Question 43

what breed should not have ivermectin

Answer 43

collies

Question 44

spinosid (comfortis)

Answer 44

used to kill fleas