trematodes ectoaprasite

Question 1

causes liver and spleen enlargement; egg w lateral spine

Answer 1

S. mansoni

Question 2

snails are the host

Answer 2

schistosma

Question 3

cercariae penetrate skin of humans

Answer 3

schistosoma

Question 4

fibrosis, inflammation, portal HTN

Answer 4

schistoma

Question 5

S. haematobium leads to SCC of the

Answer 5

bladder (apinelss hematuria) and

Question 6

S. haemotobium can lead to pulmonary htn

Answer 6

true

Question 7

urinary schistomosiasis

Answer 7

S. haematobium

Question 8

location of s haemotibum

Answer 8

n. africa, sub sahharn africa, middle east

Question 9

in schistoma, the larva penetrate intact human skin and then travel to

Answer 9

liver

Question 10

S. mansoni is found where

Answer 10

Asia

Question 11

intestinal schistomosias (GI illness) or hepatic schistomoiasis (portal HTn, cirrhosis

Answer 11

s. mansoni:

Question 12

undercooked fish are the transmission of this trematode

Answer 12

clonorchi sinensis

Question 13

clonorchis sinensis what cancer

Answer 13

cholangiocarcinoma

Question 14

biliiary tract inflammation : cause pigmented gallstones

Answer 14

clonorchis sinensis

Question 15

what type of immune response against schistosma

Answer 15

th2 mediated grnaulomatous repsone against eggs.

Question 16

what does thte th2 mediated repsonse to schistoma eggs lead to

Answer 16

marked fibrosis and ulceration and scarring of bowel or bladder/ureters; eggs that settle into presinusoidal radicals of portal vein can cause periportal pipestem fibrosis

Question 17

Ectoparasites include

Answer 17

sarcoptes scabei and peidculus humanus/phtirus pubis

Question 18

pruritus (worse at night) and serpingious burrows (lines) in webspace of hands and feet

Answer 18

scabies

can involve elbows, axillary folds, nipples, areola in women; scortum + penis in men

Question 19

mites burrow into which layer of skin

Answer 19

stratum corenum

Question 20

sarcoptes scabei is common in

Answer 20

children, crowded populations (jails, nursing homes);

transmission through skin to skin contanct (most common or via formites

Question 21

blood sucking lice that caues intense pruritus w associated excoriations, commonly on scalp and head or waistband and axilla

Answer 21

pediculus humanus/phthrius pubis

Question 22

can transmit rickettsia prowazekii , borrelia recurrentis, bartonella quintana

Answer 22

pediculus humanus/phthirus pubis

Question 23

trench fever is caused by

Answer 23

bartonella quintana