1. Order Oxyurida

Question 1

Order Oxyurida females have long tapering tails, that’s why they are known as ____.

Answer 1

Pinworm

Question 2

Family Oxyuridae species

Answer 2

[ OP ]

Question 3

Other pinworm species

Answer 3

[ SPSP ]

Question 4

Order Oxyurida is generally found in what organ?

Answer 4

Large intestine

Question 5

animal host of Oxyuris & Probstmayria

Answer 5

HORSE

Question 6

shape of esophagus of Oxyurida

Answer 6

double-bulbed

Question 7

How many spicules in family Oxyuridae?

Answer 7

only 1
+ caudal alae

Question 8

vulva is in what location of body?

Answer 8

middle

Question 9

Most female migrate to ___ of host.

Answer 9

anus

Question 10

Females deposit eggs in ____ region

Answer 10

perineal region

Question 11

(3) migration of L3 of Oxyurida

Answer 11

1. small intestine
2. large intestine
3. cecum & colon (mucosal crypts)

Question 12

Oxyuridae become L4 in how many days

Answer 12

3-11 days

Question 13

Does L4 of oxyurida emerge?

Answer 13

YES, in the mucosa to become adults

Question 14

Irritation from pinworms due to laying behavior of females

Answer 14

Intense perineal irritation

Question 15

Pinworm ingestions of egg routes (4)

Answer 15

1. Grooming behavior
2. Coprophagy
3. Ingestion of infested objects
4. Retrofection

Question 16

Is there operculum on pinworms?

Answer 16

Yes, at one end
(flattened on one side)

Question 17

Transmission of pinworms

Answer 17

ingestion of eggs

Question 18

Which egg is laid in clusters of yellowish white gelatinous streaks?

Answer 18

Oxyuris equi

Question 19

How many egg masses are laid by Oxyuris equi females?

Answer 19

8,000 — 60,000

Question 20

PPP of Oxyuris

Answer 20

5 months

Question 21

Describe tail of Oxyuris equi

Answer 21

distinctly tapering

Question 22

Small oxyurids

Answer 22

Probstmayria vivipara

Question 23

Probstmayria has how many lips?

Answer 23

6 small lips

Question 24

Describe pathogenicity of Probstmayria vivipara

Answer 24

low pathogenicity

Question 25

Pinworm of rodents

Answer 25

Syphacia spp.

Question 26

Pinworms of Rabbits & Hares
(also found in cecum)

Answer 26

Passalurus ambiguus

Question 27

pinworm of Lizards & Chelonians

Answer 27

Alaeuris & Ozolaimus

Question 28

pinworm of Sheeps & Goats

Answer 28

Skrjabinema ovis

Question 29

pinworm of Human & Chimpanzees

Answer 29

Enterobius vermicularis

Question 30

Egg of Skjabinema ovis is embryonated or unembryonated?

Answer 30

Fully embryonated egg

Question 31

Pinworm infection rubbing of perineal area causes this broken hairs or ___

Answer 31

“rat-tail appearance”

Question 32

What happens to heavy infection of pinworms? (3)

Answer 32

1. loss of condition
2. poor appearance
3. dull hair coat