Trichinella spiralis

Question 1

common name

Answer 1

biblical worm

Question 2

order

Answer 2

trichurata

Question 3

disease

Answer 3

trichinosis

Question 4

hosts

Answer 4

rodents, pigs, human

Question 5

habitat

Answer 5

skeletal muscles and small intestine

Question 6

mall nonpapillated mouth with protrusible stylet

Answer 6

anterior end

Question 7

glandular unicellular cells

Answer 7

stichocytes

Question 8

anterior to stichosome and joins the intestine behind the stichosome

Answer 8

esophagus

Question 9

simple tube extending to cloaca or anus

Answer 9

intestines

Question 10

size of adult male

Answer 10

1.5 x 0.04 mm

Question 11

found at the anterior end of adult male worms

Answer 11

stichosomes

Question 12

size of adult female

Answer 12

3.5 x 0.6 mm

Question 13

how many larva per female in 1 month?

Answer 13

500

Question 14

how is infective larva ingested

Answer 14

raw or poorly cooked meat

Question 15

larvae deposition

Answer 15

larviposition

Question 16

excystation

Answer 16

nurse cell

Question 17

nurse cell

Answer 17

larva complex capsule

Question 18

responsible for keeping the larva alive by provision of nutrients

Answer 18

nurse cell

Question 19

presumably functions to nourish larva

Answer 19

larva complex

Question 20

main reservoir

Answer 20

pig

Question 21

pathology of adult

Answer 21

early intestinal lesions

Question 22

main pathology

Answer 22

larvae

Question 23

enteric phase

Answer 23

intestinal phase

Question 24

occurs in 24-72 hours

Answer 24

intestinal phase

Question 25

muscle fibers increases in size

Answer 25

muscle invasion phase

Question 26

corresponds to encapsulation of larvae and repair

Answer 26

convalescence phase

Question 27

destroy newborn larvae

Answer 27

eosinophils

Question 28

increases as disease progresses

Answer 28

eosinophilia

Question 29

serologic tests

Answer 29

bentonite flocculation, latex agglutination

Question 30

white swelling around the injected site surrounded by unraised irregular wheal up to 5 cm in diameter

Answer 30

bachman intradermal test

Question 31

how long does the reading take in bachman intradermal test

Answer 31

15-20 minutes

Question 32

definitive diagnosis

Answer 32

muscle biopsy

Question 33

antiobiotics

Answer 33

thiabendazole, mebendazole and steroids

Question 34

mild cases

Answer 34

good

Question 35

severe cases

Answer 35

grave

Question 36

decreased eosinophils

Answer 36

poor

Question 37

prevention

Answer 37

safe cooking