GI Parasites

Question 1

Taenia Saginata Clinical

Answer 1

Taeniasis - Intestinal tapeworm. Asymp to NID. May include abdominal discomfort and weight loss

Question 2

Taenia Saginata Comp/Seq

Answer 2

Mass lesions after consumption of eggs/ova of bug

Question 3

Taenia Saginata Char

Answer 3

Taenia Saginata (Beef tapeworm)

Question 4

Taenia Saginata Res

Answer 4

Cattle

Question 5

Taenia Saginata Trans

Answer 5

Ingestion of uncooked meat

Question 6

Taenia Saginata Diag

Answer 6

Detection of proglottids/ova in stool

Question 7

Taenia Solium Clinical

Answer 7

Intestinal tapeworm (Asympt to NID, abd discomfort and weight loss); neurocysticerosis (Cyst = pressure w/- mechanical dmg; CNS - focal deficits)

Question 8

Taenia Solium Char

Answer 8

Pork Tapeworm

Question 9

Taenia Solium Res

Answer 9

Swine is primary; humans accidental

Question 10

Taenia Solium Trans

Answer 10

Ingestion of infected pork. Neuro - autoinnoc of eggs in a person with intestinal tapeworm

Question 11

Taenia Solium Diag

Answer 11

Imaging of migrating larvae +/- cysts

Question 12

Diphyllobothrium Latum Clinical

Answer 12

Fish tapeworm. Asymp to NID w/ mild bloating and intestinal obstruction. B12 deficit (megoblastic/ pernicious anemia) with large worm load.

Question 13

Diphyllobothrium Latum Char

Answer 13

Fish Tapeworm

Question 14

Diphyllobothrium Latum Res

Answer 14

Freshwater fish; fish eating carnivores

Question 15

Diphyllobothrium Latum Trans

Answer 15

Fecal Oral

Question 16

Diphyllobothrium Latum Diag

Answer 16

Proglottids +/- eggs in stool

Question 17

Trichuris Trichuria Clin

Answer 17

Whipworm. Usually asympt, may have abd pain, bloody diarrhea, flatulence. Chronic with heavy infection = iron deficiency anemia (microcytic anemia) and rectal prolapse. Growth and mental retardation

Question 18

Trichuris Trichuria Char

Answer 18

Nematode

Question 19

Trichuris Trichuria Res

Answer 19

Humans

Question 20

Trichuris Trichuria Trans

Answer 20

F-Oral; eggs require maturation in enviroment

Question 21

Trichuris Trichuria Diag

Answer 21

Eggs in stool

Question 22

Ancylostoma Duodenale/ Necator Americonus Clin

Answer 22

Hookworm. Ranges from abd pain with loss of appetite to svr protein def or iron def anemia (microcytic) to ulcer like symptoms with chronic intestinal blood loss. Retardation of mental and physical development until resolved.

Question 23

Ancylostoma Duodenale/ Necator Americonus Char

Answer 23

Nematode

Question 24

Ancylostoma Duodenale/ Necator Americonus Res

Answer 24

Humans

Question 25

Ancylostoma Duodenale/ Necator Americonus Trans

Answer 25

Direct skin penetration; larvae dev in enviroment

Question 26

Ancylostoma Duodenale/ Necator Americonus Diag

Answer 26

Eggs in stool

Question 27

Schistosoma Spp. Clinical

Answer 27

Schistosomiasis - biliary or urinary fibrosis and hyperplasia. Abd pain, intermittent obstruction of ducts.

Question 28

Schistosoma Spp. Haematobium

Answer 28

SCC of bladder (only seen in immigrants or travelers to endemic areas). Primary site of infection = veins of bladder, organisms eggs induce fibrosis and granuloma's with hematuria

Question 29

Schistosoma Spp. Mansoni and Japonicum

Answer 29

IMA and SMA (M and J). Leads to GI bleeds, diarrhea, and liver dmg. Hepatosplenomegaly and cirrhosis, portal hypertension, and hepatocellular carcinoma

Question 30

Schistosoma Spp. Char

Answer 30

Trematode (blood fluke)

Question 31

Schistosoma Spp. Res

Answer 31

Snails and humans

Question 32

Schistosoma Spp. Trans

Answer 32

Direct Skin pen

Question 33

Schistosoma Spp. RF

Answer 33

Swim in contaminated water

Question 34

Schistosoma Spp. Diag

Answer 34

Eggs in stool/urine/blood

Question 35

Enterobius Vermicularis Clin

Answer 35

Pinworm. Type 4 HSR against FM and eggs resulting in itch

Question 36

Enterobius Vermicularis Char

Answer 36

Nematode

Question 37

Enterobius Vermicularis Res

Answer 37

Humans

Question 38

Enterobius Vermicularis Trans

Answer 38

Fecal Oral

Question 39

Enterobius Vermicularis RF

Answer 39

Poor hygiene, small children

Question 40

Enterobius Vermicularis Diag

Answer 40

Scotch tape test - Strube Tubes (eggs with larvae)