NEMATODES

Question 1

NEMATODES STAGES IN LIFE CYCLE

Answer 1

egg, larvae, adults

Question 2

most common intestinal nematode

Answer 2

Ascaris Lumbricoides

Question 3

Common Name for Ascaris Lumbricoides

Answer 3

Giant Intestinal Roundworm

Question 4

outer covering of fertilized A. Lumbricoides ova

Answer 4

albuminoid coat

Question 5

3 layers of egg shell in A. Lumbricoides

Answer 5

> inner non permeable vitelline membrane
thick transparent middle layer glycogen Membrane
Outer coat albuminoid layer

Question 6

larvae migration of A.lumbriocides in lungs causes

Answer 6

Ascaris Pneumonitis

Question 7

Disease of Poverty

Answer 7

Loaffler’s Syndrome or STH

Question 8

Habitat of A. lumbricoides

Answer 8

Small Intestine

Question 9

MOT of A. lumbricoides

Answer 9

Ingestion of embryonated eggs

Question 10

Infective stage of A. lumbricoides

Answer 10

Embryonated ova

Question 11

Stool examinations for the diagnosis of Ascariasis

Answer 11

> DFS - 2mg
Concentration techniques - kato katz, FECT

Question 12

Treatment for A.lumbricoides

Answer 12

• Albendazole
• Mebendazole
• Pyrantel pamoate

Question 13

AKA dog and Cat ascaris

Answer 13

Toxocara canis & Toxocora cati

Question 14

Habitat of Toxocara canis & Toxocora cati

Answer 14

Small Intestine

Question 15

MOT of Toxocara canis & Toxocora cati

Answer 15

Accidental Ingestion by human

Question 16

Treatment for Toxocara canis & Toxocora cati

Answer 16

Thiabendazole

Question 17

Common name for trichuris trichuria

Answer 17

Whipworm

Question 18

loss of muscle tone of anal sphincter

Answer 18

rectal prolapse

Question 19

habitat of trichuris trichuria

Answer 19

Large Intestine

Question 20

MOT of trichuris trichuria

Answer 20

Ingestion of embryonated eggs

Question 21

infective stage of trichuris trichuria

Answer 21

embryonated eggs

Question 22

lab diagnosis for trichuris trichuria

Answer 22

Laboratory Diagnosis:
- Stool examination
> DFS
> Concentration techniques: Kato-katz, FECT

Question 23

Treatment for trichuris trichuria

Answer 23

Albendazole
- Mebendazole

Question 24

AKA New World Hookworm

Answer 24

Necator Americanus

Question 25

habitat of Necator Americanus and Ancylostoma duodenale

Answer 25

Small Intestine

Question 26

MOT of Hookworms

Answer 26

Skin penetration of filariform larvae Ingestion of contaminated food

Question 27

Infective stage of hookworms

Answer 27

Filariform larvae

Question 28

Treatment for hookworms

Answer 28

Albendazole - Mebendazole - Pyrantel pamoate - Iron supplements

Question 29

life span of N. Americanus

Answer 29

14 years

Question 30

AKA the old world hookworm

Answer 30

Ancylostoma duodenale

Question 31

shortest life span

Answer 31

Ancylostoma Braziliense

Question 32

longest life span

Answer 32

Ancylostoma caninum

Question 33

able to produce offspring w/o fertilization with males

Answer 33

parthenogenetic

Question 34

- Smallest intestinal nematode in man

Answer 34

Strongyloides stercoralis

Question 35

3 life cycle of Strongyloides stercoralis

Answer 35

Direct Cycle Indirect Cycle Autoinfection

Question 36

skin penetration of filariform larva from the soil and female matures in S.I

Answer 36

Direct Cycle

Question 37

Rhabditiform larva developed into sexually mature free-living female and produced partially embryonated ova

Answer 37

Indirect cycle

Question 38

development of rhabditiform into filariform larva while entransit down the bowel

Answer 38

autoinfection

Question 39

habitat of S. Stercoralis

Answer 39

Small Intestine

Question 40

MOT of S. Stercoralis

Answer 40

Skin penetration of filariform larvae Autoinfection

Question 41

infective stage of s. stercoralis

Answer 41

filariform larvae

Question 42

treatment for s. stercoralis

Answer 42

thiabendazole

Question 43

- parasite of monkeys and apes - cause of zoonotic infection in man in africa and some parts os Asia

Answer 43

Strongyloides fuelleborni

Question 44

MOT of Strongyloides fuelleborni

Answer 44

breastfeeding

Question 45

Common name of S. stercoralis

Answer 45

Threadworm

Question 46

Common name of Enterobius vermicularis

Answer 46

Pinworm/Seatworm

Question 47

habitat of Enterobius vermicularis

Answer 47

Large Intestine

Question 48

MOT of Enterobius vermicularis

Answer 48

- ingestion of egg - inhalation of IS -autoinfection -retroinfection

Question 49

infective stage of Enterobius vermicularis

Answer 49

embryonated egg

Question 50

treatment for Enterobius vermicularis

Answer 50

Albendazole - pyrantel pamoate

Question 51

Discovered by: Nelia P. Salazar

Answer 51

Capillaria Philippinensis

Question 52

where is the first reported case of Capillaria Philippinensis

Answer 52

Ilocos

Question 53

direct host of Capillaria Philippinensis

Answer 53

man, fish eating birds

Question 54

intermediate host Capillaria Philippinensis

Answer 54

freshwater fishes

Question 55

gurgling stomach

Answer 55

borborygmus

Question 56

oviparous, 8-10 eggs in single row

Answer 56

typical

Question 57

larviparous, 40-45 eggs in 2-3 rows, eggs hatch while in utero

Answer 57

atypical

Question 58

flattened bipolar plug w/ thick striated shell, peanut shaped

Answer 58

typical

Question 59

thin shelled w/o polar plug

Answer 59

atypical

Question 60

common name of Capillaria Philippinensis

Answer 60

pudoc's worm

Question 61

habitat of Capillaria Philippinensis

Answer 61

small intestine

Question 62

MOT of Capillaria Philippinensis

Answer 62

Ingestion of contaminated fish

Question 63

-Accidental ingestion of infected process meats - After exposure to gastric acid and pepsin;

Answer 63

Trichinella spiralis

Question 64

common name of Trichinella spiralis

Answer 64

trichina worm

Question 65

MOT of Trichinella spiralis

Answer 65

ingestion of encysted larvae in undercooked pork

Question 66

diagnosis of Trichinella spiralis

Answer 66

muscle biopsy

Question 67

treatment for Trichinella spiralis

Answer 67

mebendazole