Nematodes

Question 0

Where does toxocara canis live

Answer 0

In the small intestine, also sometimes in the lungs

Question 1

Describe the physical appearance of Toxocara Canis

Answer 1

Spaghetti

Question 2

What can happen to small breeds when they have a lot of Toxocara canis

Answer 2

Can cause obstruction

Question 3

How do Toxocara canis inhabit the small intestine

Answer 3

They are not attached to the intestine but rather have an undulating swim

Question 4

How long do Toxocara canis eggs lay dormant in the environment

Answer 4

2-5weeks

Question 5

What are some key features of nematodes

Answer 5

Large-size variety, have a body cavity, have a digestive track including rectum, have reproductive organs

Question 6

What type of eggs are Toxocara Cati

Answer 6

Oviparous

Question 7

What type of eggs are ancylostoma caninum

Answer 7

Oviparous

Question 8

What type of eggs are strongyloides westeri

Answer 8

Ovoviviparous

Question 9

What type of eggs are capillaria

Answer 9

Oviparous

Question 10

If a nematode produces larva it is said to be what

Answer 10

Lariparous

Question 11

Describe the direct life cycle for nematodes

Answer 11

Hello three is infective for definitive host. L4 and L5 develop in definitive host. L5 is a young adult nematode. L6 is an adult that lays eggs

Question 12

Describe the indirect lifecycle for nematode

Answer 12

In the intermediate host L1 L2 and L3 stages occur. Ingestion of the intermediate host where L4 and L5 develop in the definitive host

Question 13

What are the symptoms of spirocerca lupi

Answer 13

Obstruction

Question 14

What are the symptoms of physaloptera

Answer 14

Vomiting

Question 15

Vomiting and feces of spirocerca and physaloptera look like what

Answer 15

Spaghetti

Question 16

What is the PPP for Toxocara canis

Answer 16

21-35 days

Question 17

What is the PPP for Toxocara Cati

Answer 17

8 weeks

Question 18

What is the PPP for Toxocara leonina

Answer 18

8-10 weeks

Question 19

What can ancylostoma, tubaeforme, braziliense and uncinaria cause due to feeding on blood

Answer 19

Anemia

Question 20

What do strongyloides cause

Answer 20

Diarrhea.

Question 21

How is strongyloides transmitted

Answer 21

Skin and milk.

Question 22

what is special about strongyloides

Answer 22

there are no males and eggs hatch in intestine, L1 released in feces and L3 penetrates skin

Question 23

How is trichuris vulpis transmitted

Answer 23

By ingestion

Question 24

What is special about trichuris vulpis

Answer 24

Eggs are passed every 3 days and they are very heavy so they don’t float well

Question 25

What is aelurostrongylus abstrusus

Answer 25

Feline lungworm that causes nodules in alveolar ducts. Especially in fiv/felv cars.

Question 26

Where do aelurostrongylus hatch

Answer 26

In the lung and they are coughed up and swallowed. L1 is in feces.

Question 27

What is the intermediate host for aelurostrongylus

Answer 27

Snails and slugs (L1-L3)

Question 28

What are the paratenic hosts for aelurostrongylus

Answer 28

Rodents, birds, amphibians, reptiles

Question 29

What is the baermann test used for

Answer 29

Diagnosing feline lugworm aelurostrongylus

Question 30

What is filaroides olseri, hirthi and milksi

Answer 30

Canine lungworm. In trachea, bronchioles and lungs. Causes nodules and airway obstruction.

Question 31

Describe the transmission of canine lungworm

Answer 31

Ingestion of L1 from Dam to puppies. No outside development required

Question 32

Describe Capillaria aerophilia

Answer 32

In trachea and bronchi. Eggs are coughed up and swallowed

Question 33

How is diotophyma renale transmitted

Answer 33

By infective larva in annelid. Diagnosed by urine sediment

Question 34

What is dracunculus insignis

Answer 34

Guinea worm. From ingestion of intermediate host

Question 35

What is thelazia californiensis

Answer 35

In conjunctival sac and lacrimal canal. From intermediate host, the face fly.