Intro to Para LAB & QUIZ

Question 1

Direct vs Indirect lifecycle

Answer 1

Direct: does not require intermediate host for specific life stage development

Indirect: Intermediate host is required for development

Question 2

Vector vs Intermediate host

Answer 2

Vector: Parasites cannot develop in this animal. It is a carrier who is unaffected by the parasite.

Intermediate host: Harbors the larval, immature, asexual stages of the parasite. Parasite CAN grow in this host.

Question 3

Roundworm is a common term for which class of parasite?

Answer 3

Chromadorea

Question 4

Cuterebra is a member of which order?

Answer 4

Diptera

Question 5

Ticks are in which class?

Answer 5

Arachnida

Question 6

Hard shell ticks are in which family?

Answer 6

Ixodidae

Question 7

An ___________________infects the internal organs of its host.
a. Endoparasite
b. Ectoparasite

Answer 7

Endoparasite

Question 8

In the scientific name Echinococcus granulosus, Echinococcus refers to the ___________________to which the organism belongs.

Answer 8

Genus

Question 9

A ______________________infection can be transmitted between animals and humans.

Answer 9

Zoonotic

Question 10

A _______________________ is a carrier object or animal that transfers a parasite without becoming infected itself.

Answer 10

Vector

Question 11

The time period between infection with a parasite and the appearance of a diagnostic parameter (i.e. ova in feces).

Answer 11

Prepatent period

Question 12

The system of organizing plants and animals based on characteristics
a. Dewey system
b. Taxonomy
c. Zoonomy

Answer 12

Taxonomy

Question 13

Unicellular organisms classified by movement are
a. Trematodes
b. Cestodes
c. Nematodes
d. Protozoa

Answer 13

Protozoa

Question 14

T/F: Because the parasite is transferred in the uterus and in milk, virtually all neonate puppies in the USA have Toxocara (ascarids) until treated.

Answer 14

True

Question 15

T/F: Ancyclostoma (hookworms) can infect dogs by penetrating the skin.

Answer 15

True

Question 16

T/F: The raccoon roundworm (Baylisascaris) can attack the brains of accidental hosts, such as people.

Answer 16

True

Question 17

T/F: Flies are common intermediate hosts for flukes

Answer 17

False

Question 18

T/F: Dipylidium (tapeworm) in dogs and cats commonly causes diarrhea and weight loss.

Answer 18

False

Question 19

T/F: Heartworm is a nematode

Answer 19

True

Question 20

T/F: Whipworm (Trichuris vulpis) ova can survive in the environment for years.

Answer 20

True

Question 21

T/F: There are no parasites contagious from dogs to humans in the state of Washington.

Answer 21

False

Question 22

Effective prevention of internal parasites includes at least 6 recommendations. Name 3.

Answer 22

1. Perform the appropriate amount of fecal exams needed based on age/recommended by the vet.
2. Feed your pets fully cooked food!!
3. Don’t take young puppies to public spaces