secernentea

Question 1

rhabditida

Answer 1

kingdom- Animalia
phylum-Nematoda
class- Rhabditida

Question 2

rhabditida id

Answer 2

• separate sexes
• esophagus divided into corpus, isthmus, bulbus
• free living

Question 3

rhabditis strongyloides taxonomy

Answer 3

kingdom- Animalia
phylum-Nematoda
class- Rhabditida

Question 4

rhabditis strongyloides host

Answer 4

• horses

- dogs

Question 5

rhabditis strongyloides lifecycle

Answer 5

• free living but gets into skin of animals down on wet hay

- only larvae in skin

Question 6

rhabditis strongyloides organ effected

Answer 6

live inside hair folicles

Question 7

rhabditis strongyloides dx

Answer 7

folliculitis and horrible skin lesions

Question 8

halicephalobus gingivalis taxnomy

Answer 8

kingdom- Animalia
phylum-Nematoda
class- Rhabditida

Question 9

halicephalobus gingivalis host

Answer 9

• horses

- ppl

Question 10

halicephalobus gingivalis life cycle

Answer 10

• facultative parasite

- worms free living in manure

Question 11

halicephalobus gingivalis transmission

Answer 11

• worms enter at site of wound

- adult females and larvae found in tissues

Question 12

halicephalobus gingivalis organ effected

Answer 12

• skin
• kidney
• brain
• gingiva

Question 13

halicephalobus gingivalis dx

Answer 13

humans die of meningoencephalitis from worm multiplication in brain

Question 14

strongyloides spp taxonomy

Answer 14

kingdom- Animalia
phylum-Nematoda
class- Rhabditida
strongyloides spp.

Question 15

strongyloides spp. rhabditia host

Answer 15

• mammals and reptiles

Question 16

strongyloides spp. rhabditia parasitic stage

Answer 16

parthenogenic female

Question 17

strongyloides spp. rhabditia tx

Answer 17

treated w/ ivermectin

Question 18

strongyloides stercoralis taxonomy

Answer 18

kingdom- Animalia
phylum-Nematoda
class- Rhabditida
strongyloides spp.

Question 19

strongyloides stercoralis host

Answer 19

dogs

Question 20

strongyloides stercoralis lifecycle

Answer 20

Female in mucosa of small intestine produce eggs that hatch -> 1st stage larvae passes in feces

• In environ – Direct development of infective 3rd stage larva or free living male & female that mate
• Migrate through lungs, C up, swallowed, Enter small intestine where mature to adult

Question 21

strongyloides stercoralis transmission

Answer 21

Infected by larvae penetrating skin

• Larvae sequestered in tissue & infection via milk
• L3 develop in bowel -> External autoinfectio n where penetrate skin around anus or internal autoinfectio n where penetrate bowel wall before leaving

Question 22

strongyloides stercoralis organ effected

Answer 22

small intestine

Question 23

strongyloides stercoralis dx

Answer 23

asymptomatic

Question 24

strongyloides westeri taxonomy

Answer 24

kingdom- Animalia
phylum-Nematoda
class- Rhabditida
strongyloides spp.

Question 25

strongyloides westeri host

Answer 25

horses

Question 26

strongyloides westeri transmission

Answer 26

transmammary

Question 27

strongyloides westeri organ effected

Answer 27

mucosa of small intestine

Question 28

strongyloides westeri dx

Answer 28

“foal heat” D+

Question 29

strongyloides papillosis taxonomy

Answer 29

kingdom- Animalia
phylum-Nematoda
class- Rhabditida
strongyloides spp.

Question 30

strongyloides papillosis host

Answer 30

sheep and goats

Question 31

strongyloides papillosis dx

Answer 31

• anorexia, d+, anemia
• lesions on feet of lambs -> foot rot
• rarely death in lambs from erosion of intestinal mucosa

Question 32

strongyloides ransomi taxonomy

Answer 32

kingdom- Animalia
phylum-Nematoda
class- Rhabditida
strongyloides spp.

Question 33

strongyloides ransomi host

Answer 33

pig

Question 34

strongyloides ransomi dx

Answer 34

• up to 50% mortality in piglets

- anorexia, d+

Question 35

strongyloides ransomi and ivermectin

Answer 35

• reason ivermectin approved in pigs