Introduction

Question 1

Veterinary entomology

Answer 1

The study of arthropods of veterinary importance

Question 2

How are phylum Arthropoda characterized?

Answer 2

Jointed legs
Head, thorax and abdomen
Bilateral symmetry
Exoskeleton
Separate sexes

Question 3

What does the class arachnida include?

Answer 3

Ticks, mites, spiders, scorpions

Question 4

How is the body of parasites in the class of arachnida?

Answer 4

Four legs in the adult
Body divided into a cephalothorax and abdomen

Question 5

Order- Acari

Answer 5

Includes smaller arachnids such as mites and ticks
Body is flat dorsoventrally

Question 6

Class Insecta

Answer 6

Includes fleas, lice, flies

Question 7

Class Diplopoda

Answer 7

Numerous segments with legs (millepede)

Question 8

What are millipedes an intermediate host for?

Answer 8

Thorny-headed worm that’s found in raccoons and domestic dogs

Question 9

Parasite

Answer 9

An organism that lives at the expense of another organism called the host
Ex: louse, tick

Question 10

Examples of arthropods

Answer 10

Lice
Fleas
Flies
Ticks
Mites

Question 11

Subphylum Crustacea

Answer 11

Pentastomida
Ex: linguatula found in respiratory passages of some vertebrates

Question 12

Copepods

Answer 12

Small crustaceans
They are important intermediate hosts
Females have two large egg sacks

Question 13

Host

Answer 13

Larger organism that harbors a smaller (parasitic) one

Question 14

Endoparasites

Answer 14

Parasites within the body of the host
Infestation

Question 15

Ectoparasites

Answer 15

Parasites living in the skin on the outside of the animal

Question 16

Facultative parasites

Answer 16

Usually free living, when available to them, they live on a host

Question 17

Definitive host

Answer 17

Host that supports the parasite in its sexually active form

Question 18

Intermediate Host

Answer 18

Supports the parasite in its larvae/ immature state and carrying the developing sexually immature parasite

Question 19

Paratenic Host

Answer 19

Transport host and not necessary
Will transport the parasite in the developing state

Question 20

Mechanical vector

Answer 20

Picks up infected blood from one animal, then going to another animal transferring the bacteria from the other animal blood

Question 21

Biological Vector

Answer 21

Carries infected organism and allows the infected organism to multiply and develop

Question 22

Zoonosis

Answer 22

Diseases that can be transmitted from animals to humans,and, vice versa
Ex: rabies, roundworms, hookworms

Question 23

What are the main groups of parasites?

Answer 23

1. Arthropods (ticks, louse)
2. Protozoan (unicellular)
3. Helmith (worms)