NEMATODES - Strongyloides stercoralis, Hookworm

Question 1

male hookworm: aids in the speciation of hookworms; edposits spermatophore

Answer 1

bursa copulatrix

Question 2

manifestation of hookworm infection

Answer 2

hypoalbuminemia

Question 3

non-infective; FEEDING stage

Answer 3

rhabditiform larva

Question 4

infective; NON-FEEDING stage

Answer 4

filariform larva

Question 5

“morula ball” egg

Answer 5

hookworm egg

Question 6

how can we differentiate different kinds of hookworms?

Answer 6

based on their: dental pattern & characteristics (MOT)

Question 7

old world hookworm

Answer 7

ancylostoma duodenale

Question 8

new world hookworm

Answer 8

n. americanus

Question 9

c shaped

Answer 9

a. duodenale

Question 10

s shaped

Answer 10

n. americanus

Question 11

semi lunar cutting plates

Answer 11

n. americanus

Question 12

2 pairs of teeth

Answer 12

a. duodenale

Question 13

tridigitate, dorsal ray

Answer 13

a. duodenale

Question 14

bidigitate, dorsal ray

Answer 14

n. americanus

Question 15

plain, bristle like spicule

Answer 15

a. duodenale

Question 16

barbed, fused spicule

Answer 16

n. americanus

Question 17

mot for a. duodenale

Answer 17

skin pene, transmammary

Question 18

mot for n. americanus

Answer 18

percutaneous

Question 19

has 3 pairs of ventral teeth

Answer 19

a. caninum

Question 20

diagnostic stage of hookworm

Answer 20

eggs

Question 21

intermediate host for cutaneous larva migrans

Answer 21

humans

Question 22

definitive host for cutaneous larva migrans

Answer 22

dogs, cats

Question 23

• through the subcutaneous tissue causes itching and formation of SERPINIGOUS TUNNEL

Answer 23

a. caninum
a. braziliense

Question 24

pair of big teeth

Answer 24

a. braziliense

Question 25

2 pairs of ventral teeth w outer bigger

Answer 25

a. ceylanicum

Question 26

n. americanus posterior end: used for copulation

Answer 26

caudal bursa

Question 27

cause of cutaneous larva migrans

Answer 27

migration of dog/cat hookworms

Question 28

what type of hookworm infection shows greater blood loss per day

Answer 28

a. duodenale infection

Question 29

hookworm: low level of albumin due to combined loss of blood, lymph, and proteins

Answer 29

hypoalbuminemia

Question 30

drug of choice for hokworm infection

Answer 30

albendazole

Question 31

hookworm: prone to infection

Answer 31

farmers

Question 32

hookworm: transmammary transmission

Answer 32

a. duodenale

Question 33

threadworm

Answer 33

strongyloides stercoralis

Question 34

cochin-china diarrhea

Answer 34

s. stercoralis

Question 35

only species of this genus that is naturally pathogenic to humans

Answer 35

s. stercoralis

Question 36

has a distinct cleft (notched) at the tip of tail

Answer 36

s. stercoralis filariform larva

Question 37

smallest nematodes

Answer 37

SS filariform female

Question 38

parthenogenic

Answer 38

SS filarifom female

Question 39

has a muscular double-bulbed esophagus; straight cut cylindrical tube

Answer 39

SS free living female

Question 40

has 2 spicules; gubernaculum

Answer 40

SS free living male

Question 41

guides spicule protrusion during copulation

Answer 41

gubernaculum

Question 42

T or F: free living male has caudal alae

Answer 42

false

Question 43

has short esophagus w a pyriform posterior bulb

Answer 43

SS rhabditiform larva

Question 44

SS definitive host

Answer 44

humans, monkeys

Question 45

SS MOF

Answer 45

cutaneous, pulmonary, intestinal

Question 46

manifest borborygmi

Answer 46

s. stercoralis

Question 47

treatment for strongyloidiasis

Answer 47

ivermectin

Question 48

T or F: SS eggs not passed out in feces

Answer 48

true

Question 49

SS autoinfection; yes or no

Answer 49

yes

Question 50

SS infection is more frequent in ?

Answer 50

male children