part a

Question 1

Dogs living in the tropics and subtropics should be tested for gastrointestinal parasites
at least __ to monitor the efficacy of parasite control regimes and
owner compliance.

Answer 1

once every 3 months

Question 2

Cats should be tested for endoparasites regularly __ to monitor the
efficacy of control regimes and owner compliance.

Answer 2

(two times a year)

Question 3

Blood smears from animals suspected of haemoparasitic infections type of collection

Answer 3

ear tip
outer lip margin

Question 4

buffy coat smears type of blood

Answer 4

venous or EDTA

Question 5

location of heartworm

Answer 5

right heart or arteries

Question 6

computed tomography scan may indicate the presence of
__ in the ?__ space.

Answer 6

Onchocerca lupi

retrobulbar

Question 7

microscopic examination of skin scrapings
(for …

Answer 7

demodex
sarcoptes scabiei
notoedres cati

Question 9

hair plucks or adhesive
tape (for

Answer 9

lynxacarus radovskyi

cheyletiella spp.

Question 10

optimal objective for eggs

Answer 10

10x or 40x

Question 11

Faecal-based methods are “a snapshot in time” meaning

Answer 11

represent only a certain point in time,

Question 12

how many sample is needed/ recommended

Answer 12

3-5 collected on alternate (preferred) or consecutive

Question 13

type of sample that provides best results

Answer 13

fresh

Question 14

Faeces should be examined macroscopically for

Answer 14

blood, mucus, proglottids and
nematodes prior to analysis.

Question 15

The sensitivity of flotation methods is determined by __ and –

Answer 15

S.G of soln
oocyst egg to be detected

Question 16

recommended SG of flotation soln

Answer 16

1.18-1.28

Question 17

More viscous solutions require

Answer 17

centrifugation

Question 18

Recovery of parasite stages can be altered if faeces are frozen prior to analysis or
preserved with

Answer 18

formalin (2% formaldehyde)

Question 19

Float relatively easily with all flotation solutions

Answer 19

Cystoisospora spp. (coccidia)
Ancylostoma spp. and Uncinaria sp. (hookworms)
Toxocara canis (roundworm-ascarid)
Toxocara cati (roundworm-ascarid)
Toxascaris leonina (roundworm-ascarid)

Question 20

eggs that Require a higher S.G. solution and centrifugation

Answer 20

trichuris vulpis
trematodes - opisthorchis, platynosomum,
taenia, linguatula

Question 21

eggs that are Difficult to float; either collapse in solutions or too heavy

Answer 21

spirocerca lupi
dipylidium caninum
physaloptera
echinostoma

Question 22

common floating solution and SG

Answer 22

sheather’s sugar 1.27-1.3

sat salt 1.2
magnesium sulfate 1.2
zinc sulphate 1.18-1.2
sodium nitrate 1.18-1.2

Question 23

A _ should be used to confirm the S.G.

Answer 23

hydrometer

Question 24

This method is for the collection and identification of nematode larvae from faeces.

Answer 24

baermann technique

Question 25

Refrigeration of faeces prior to a Baermann might increase larval recovery.

Answer 25

F. decrease

Question 26

factors that can affect baermann technique

Answer 26

room temp
water temp
quantity of feces

Question 27

is most frequently used for large heavy eggs,

Answer 27

sedimentation

Question 28

The challenge with sedimentation is the

Answer 28

ability to see smaller objects.

Question 29

S.G of flotation soln for sedimentation

Answer 29

> 1.25

Question 30

temp for baermann

Answer 30

42C