Parasitology

Question 1

In the bacterial name Borrelia burgdorferi, what does burgdorferi represent?

a) Species
b) Genus
c) Family
d) Class

Answer 1

a) Species

Question 2

Which of the following is an important function of bacteria flagella?

a) Attachment
b) Locomotion
c) DNA replication
d) Ion transport

Answer 2

b) Locomotion

Question 3

Enterobacteriaceae are found in what part of the body?

a) Lungs
b) Intestines
c) Skin
d) Stomach

Answer 3

b) Intestines

Question 4

Kittens are most likely to get roundworms (Toxocara) by what route?

a) Fecal-oral
b) Transplacental
c) Transmammary
d) Skin penetration

Answer 4

c) Transmammary

Question 5

A route of infection by hookworms that is not shared by roundworms is:

a) Ingestion of infective stage
b) Transplacental
c) Transmammary
d) Skin penetration

Answer 5

d) Skin penetration

Question 6

In appearance, hookworm ova resemble ______ ova.

a) Strongyle
b) Whipworm
c) Roundworm
d) Pinworm

Answer 6

a) Strongyle

Question 7

The intermediate host for heartworms is the

a) Flea
b) Rodent
c) Mosquito
d) Snail

Answer 7

c) Mosquito

Question 8

The roundworm of horses is:

a) Strongylus spp
b) Oxyuris spp
c) Anoplacephala spp
d) Parascaris spp

Answer 8

d) Parascaris spp

Question 9

The difference in appearance between small and large strongyle ova in horses is:

a) Size
b) Shape
c) Color
d) None - they look alike

Answer 9

d) None - they look alike

Question 10

Ruminant ova such as Haemonchus, Ostertagia, Trichostrongylus, and Cooperia resemble canine:

a) Roundworms
b) Hookworms
c) Tapeworms
d) Whipworms

Answer 10

b) Hookworms

Question 11

Which of the following parasite ova is collected using a cellophane tape method?

a) Ancylostoma
b) Dirofilaria
c) Dipylidium
d) Oxyuris

Answer 11

d) Oxyuris

Question 12

A buffy coat examination for microfilaria can be made in conjunction with what other hematologic procedure?

a) Leukocyte count
b) Packed cell volume
c) Differential count
d) Hemoglobin

Answer 12

b) Packed cell volume

Question 13

A 4 year old dog has a chronic cough and the veterinarian has included Filaroides on his list of possible diagnoses. What is the common name of this parasite?

a) Tapeworm
b) Roundworm
c) Whipworm
d) Lungworm

Answer 13

d) Lungworm

Question 14

Which of the following nematodes are characterized by an ovoid egg with a thin shell and a morulated embryo?

a) Toxascaris leonine
b) Toxocara canis
c) Trichuris vulpis
d) Ancylstoma caninum

Answer 14

d) Ancylstoma caninum

Question 15

What parasite can cause blockage of the cranial mesenteric artery in horses?

a) Parascaris equi
b) Oxyuris equi
c) Strongyloides westeri
d) Strongylus vulgaris

Answer 15

d) Strongylus vulgaris

Question 16

Visceral larval migrans is caused by the larvae of:

a) Ancylstoma caninum
b) Isospora canis
c) Toxocara canis
d) Taenia canis

Answer 16

c) Toxocara canis

Question 17

What small animal parasite ova resemble strongyle ova in horses?

a) Ascarid
b) Whipworm
c) Hookworm
d) Coccidia

Answer 17

c) Hookworm

Question 18

What parasite causes blood loss, especially in young animals?

a) Roundworm
b) Tapeworm
c) Heartworm
d) Hookworm

Answer 18

d) Hookworm

Question 19

What adult parasite would be described as having a slender anterior end with its mouth at the tip and a thickened posterior extremity?

a) Heartworm
b) Whipworm
c) Tapeworm
d) Hookworm

Answer 19

b) Whipworm

Question 20

Trematodes are:

a) Tapeworms
b) Flukes
c) Roundworms
d) Thorny-headed worms

Answer 20

b) Flukes