Trichuris tri.

Question 1

common name of Trichuris trichiura

Answer 1

human whipworm

Question 2

order

Answer 2

Trichurata

Question 3

size of male

Answer 3

30-45 mm

Question 4

size of female

Answer 4

35-50 mm

Question 5

posture of male

Answer 5

coiled posteriorly

Question 6

posture of female

Answer 6

blently rounded

Question 7

ventrally

Answer 7

Bacillary band

Question 8

leads to vas deferens

Answer 8

single saccular testis

Question 9

protrusible through retractable protective spicule sheath

Answer 9

single retracted spicule

Question 10

leads to oviduct

Answer 10

single saccular ovary

Question 11

continues as serpentine tubule to the vulva

Answer 11

vagina

Question 12

located ventrally at anterior extremity of fleshy portion

Answer 12

vulva

Question 13

what can be seen during colonoscopy

Answer 13

fleshy posterior part because anterior part is burrowed

Question 14

eggs

Answer 14

barrel-shaped or japanese lantern-shaped

Question 15

low egg laying capacity

Answer 15

1000 eggs/day

Question 16

essential for development

Answer 16

moisture

Question 17

infective stage

Answer 17

embryonated egg

Question 18

ingestion of

Answer 18

fully embryonated eggs

Question 19

eggs will hatch where

Answer 19

duodenum

Question 20

larva enters the

Answer 20

crypts

Question 21

establish firmly in the epithelium of the

Answer 21

cecum

Question 22

grows to adult worm in

Answer 22

3 months

Question 23

due to chronic inflammation

Answer 23

blunting of intestinal villi

Question 24

acute phase

Answer 24

dysentery

Question 25

chronic phase

Answer 25

loss of anal sphincter tone

Question 26

due to heavy worm burden

Answer 26

rectal prolapse

Question 27

directed against the mucosa

Answer 27

mechanical trauma

Question 28

seen in allergic reaction

Answer 28

eosonophils and carcot leyden crystals

Question 29

the eggs are embryonated where

Answer 29

external environment

Question 30

important stages

Answer 30

infective and diagnostic stage

Question 31

most commonly infected

Answer 31

children

Question 32

sth

Answer 32

soil transmitted helminthiasis

Question 33

______ resistant to dessication compared to Ascaris eggs

Answer 33

less

Question 34

___________ to direct sunlight, intense cold, putrefying medium (e.g. decaying vegetation

Answer 34

susceptible

Question 35

depends on

Answer 35

intensity of infection, duration of infection, age and nutrition of host

Question 36

moderate or light infection

Answer 36

majority of patients

Question 37

high burden

Answer 37

heavy

Question 38

feeling of constantly needing to pass stools, despite an empty coon

Answer 38

tenesmus

Question 39

hypochromic

Answer 39

anemia

Question 40

atleast 6 months parasitemia

Answer 40

increased worm burden

Question 41

due to ____________ trauma to the mucosa caused by the burrowing phase

Answer 41

mechanical trauma

Question 42

Due to mechanical trauma to the
mucosa caused by the burrowing phase of the parasite leading to

Answer 42

covert bleeding

Question 43

uncommon, not a striking symptom

Answer 43

eosinophilia

Question 44

more reliable diagnosis

Answer 44

kato thick smear

Question 45

10 eggs per smear

Answer 45

light/high infection

Question 46

over 50 eggs per smear

Answer 46

heavy infection

Question 47

too numerous to count

Answer 47

massive infection

Question 48

reveal adult worms

Answer 48

proctoscopy

Question 49

standard treatment

Answer 49

mebendazole