Parasites

Question 1

Symbiosis

Answer 1

living together

Question 2

Short-term relationship where one being benefits at the expense of the other

Answer 2

Predator/Prey

Question 3

The smaller member of the relationship is mechanically carried about by the larger

Answer 3

Phoresis

Question 4

Symbiotic relationship where both organisms benefit

Answer 4

Mutualism

Question 5

One being benefits and the other neither benefits nor is harmed

Answer 5

Commensalism

Question 6

An association exists between two organisms of Different Species in which one member Lives On or In and at the Expense of the other Member and May Cause Harm

Answer 6

Parasitism

Question 7

Smaller organism of a different specie that lives on or in and at the expense of a larger organism called the host

Answer 7

Parasite

Question 8

May be caused by a parasite within the body

Answer 8

Infection

Question 9

On the body or in the environment

Answer 9

Infestation

Question 10

Parasite that lives outside the body of the host

Answer 10

Ectoparasite

Question 11

Parasite that lives inside the host

Answer 11

Endoparasite

Question 12

Host’s expense may be (3 things) and host’s expense id determined by (3 things)

Answer 12

Trivial, substantial, unbearable

Overall health of host, number of parasites present, degree of damage done

Question 13

Condition in which parasites of different species infect/infest the host

Answer 13

Multi-parasitism

Question 14

Excessive parasitization of the same species

Answer 14

Superparasitism

Question 15

When a parasite is present and potentially pathogenic but the animal shows no clinical signs

Answer 15

Parasitasis

Question 16

When a parasite is present on or within the host and clinical signs are present

Answer 16

Parasitosis

Question 17

When a parasite wanders from it’s usual site of infection into an organ or location in which it doesn’t normally live

Answer 17

Erratic or Aberrant parasite

Question 18

When a parasite occurs in a host that it normally does not live

Answer 18

Incidental parasite

Question 19

“Free living” (non parasitic in nature) can become parasitic in certain hosts

Answer 19

Faculative parasite

Question 20

Parasite that must lead a parasitic existence. These are not capable of leading a free living existence

Answer 20

Obligatory parasite

Question 21

Parasite that does not have to live on ot in a host but must make short frequent visits to obtain nourishment

Answer 21

Periodic parasite

Question 22

Living creatures or objects that are not parasites but may be mistaken for parasites

Answer 22

Pseudoparasite

Question 23

Parasite with a narrow host range

Answer 23

Stenoxenous

Question 24

Parasite with a broad host range

Answer 24

Euryxenous

Question 25

Any disease or parasite that may be transmitted from animal to humans

Answer 25

Zoonosis

Question 26

Every parasite has at least one ____ host and may have one or more ___ hosts

Answer 26

definitive, intermediate

Question 27

Host that harbors the adult, sexual, or mature stages of the parasite

Answer 27

Definitive host

Question 28

Host that harbors the larval, juveile, immature or asexual stages of the parasite

Answer 28

Intermediate host

Question 29

how do parasites reproduce? (3)

Answer 29

Eggs, live young, dividing into two identical pars

Question 30

Life cycle where the juvenile form of the parasite can infect the same host it came from

Answer 30

Direct life cycle

Question 31

Example of Direct life cycle

Answer 31

Roundworms

Question 32

In this life cycle, this immature form must pass through a different type of host before it can re-enter and infect the host it came from

Answer 32

Indirect life cycle

Question 33

Example of Indirect life cycle

Answer 33

Heartworms, Dipylidium caninum, flukes

Question 34

Intermediate host where no life changes occurs

Answer 34

Transport host

Question 35

Example of transport host

Answer 35

Rodent can transport roundworms to cats and dogs

Question 36

2 Parasites that take a tracheal migration

Answer 36

Toxocara canis, Ancylostoma caninum

Question 37

Time interval between when the parasite enters the host and the subsequent form of the parasite can be recovered from the host

Answer 37

Prepatent period

Question 38

Infection to Detection

Answer 38

Prepatent period

Question 39

Prepatent period for heartworm

Answer 39

6 months

Question 40

Prepatent period for whipworms

Answer 40

3 months

Question 41

Represents the time from when the parasiteenters the host and the onset of clinical signs or symptoms of disease

Answer 41

Incubation period

Question 42

Round in cross section, longer than wide, unsegmented, variety of lengths

Answer 42

Nematodes

Question 43

Flat worms that are segmented, head usually has suckers or muscular grooves that enable it to attach itself to the animal's intestines, each segment has it's own reproductive organs, have no digestive system

Answer 43

Cestodes

Question 44

Flat, leaf-shaped, unsegmented worms that look like leeches, have suckers, hooks, or clam-like appendages which they attach themselves to the hosts organs

Answer 44

Trematodes

Question 45

This parasite generally does not cause serious damage in dogs and cats unless found in high numbers

Answer 45

Flukes

Question 46

Joint footed

Answer 46

Arthropods

Question 47

Have antennae, compound eyes, and body, many have wings

Answer 47

Insects

Question 48

Fleas and lice are ___?

Answer 48

Insects

Question 49

Carnivorous parasites that feed on tissue and blood

Answer 49

Arachnids

Question 50

Ticks and mites are ___?

Answer 50

Arachnids

Question 51

How many species of protozoans

Answer 51

over 450,000

Question 52

What is protozoa composed of?

Answer 52

nucleus and cytoplasm

Question 53

Example of protozoa

Answer 53

Giardia