XI - Cestodes, Nematodes, Trematodes

Question 1

Taenia (+) rostellum, neurocysticercosis

Answer 1

Taenia solium

Question 2

Taenia (-) rostellum 15-25 gravid proglottids, intestinal obstruction

Answer 2

Taenia saginata

Question 3

Taenia, transmission

Answer 3

Undercooked meat

Question 4

Taenia, infective stage

Answer 4

eggs, cystecrci

Question 5

Taenia, diagnostic stage

Answer 5

Gravid proglottids

Question 6

DOC for Taenia

Answer 6

Praziquantel

Question 7

Megaloblastic anemia due to Vit B12 deficiency, parasite?

Answer 7

Diphyllobothrium latum

Question 8

Diphyllobothrium, transmission

Answer 8

Undercooked fish

Question 9

Diphyllobothrium, infective stage

Answer 9

Plerocercoid larave

Question 10

Diphyllobothrium, diagnostic stage

Answer 10

Egg

Question 11

DOC in Diphyllobothrium

Answer 11

Praziquantel

Question 12

Cysts are SOL, rupture of cysts can cause anaphylaxis

Answer 12

Echinococcus granulosus

Question 13

DOC in Echinococcus

Answer 13

Albendazole

Question 14

Oriental blood fluke, reside in portal veins, causing PRE-sinusoidal portal hypertension

Answer 14

Schistosoma japonicum

Question 15

Intermediate host in Schistosomiasis

Answer 15

snail (Oncomelania hupensis quadrasi)

Question 16

Schistosomiasis, diagnostic stage

Answer 16

Eggs in feces, urine

Question 17

Schistosomiasis, diagnostic technique

Answer 17

Kato-Katz

Question 18

DOC in Schistosomiasis

Answer 18

Praziquantel

Question 19

Lung fluke, mimics TB

Answer 19

Paragonimus westermani

Question 20

Intermediate host in Paragonimus

Answer 20

Snail (Antemelania), crab (Sundathelphusa)

Question 21

Bloody sputum, similar to TB, ring-shadow opacity on CXR

Answer 21

Paragonimus westermani

Question 22

DOC in Paragonimiasis

Answer 22

Praziquantel

Question 23

Diagnostic of choice in Paragonimiasis

Answer 23

3% NaOH

Question 24

Asian liver fluke, may cause cholangiocarcinoma

Answer 24

Clonorchid sinensis

Question 25

Most common and largest intestinal nematode

Answer 25

Ascaris lumbricoides

Question 26

Loeffler's syndrome (hypersensitivity pneumonitis)

Answer 26

Ascaris lumbricoides

Question 27

DOC in Ascaris

Answer 27

Albendazole

Question 28

Microcytic anemia due to blood loss,buccal spears in filariform larvae

Answer 28

Necator, Ancylostoma

Question 29

Barrel-shaped eggs / Chinese lantern

Answer 29

Trichuris trichiura

Question 30

Rectal prolapse due to increased perestalsis

Answer 30

Trichuris trichiura

Question 31

DOC in Trichuris

Answer 31

Mebendazole

Question 32

Whipworm

Answer 32

Trichuris trichiura

Question 33

Pinworm, seatworm

Answer 33

Enterobius vermicularis

Question 34

Most common soil-transmitted helminth in developed countries, cosmopolitan worm

Answer 34

Enterobius vermicularis

Question 35

Diagnostic of choice in Enterobius

Answer 35

Scotch tape test

Question 36

DOC in Enterobius

Answer 36

Pyantel pamoate

Question 37

Stryongyloides, diagnostic stage

Answer 37

Rhabditiform larvae

Question 38

Autoinfection

Answer 38

Strongyloides, Enterobius, Paragonimus, C. parvum, Capillaria

Question 39

Diagnostic of choice in Strongyloides

Answer 39

Harada-Mori

Question 40

Opportunistic intestinal protozoa, thick-walled oocyst, in immunocompromised

Answer 40

Cryposporidium parvum

Question 41

DOC in Cryptosporidium

Answer 41

Nitazoxanide

Question 42

Ping pong transmission, only as a trophozoite

Answer 42

Trichomonas vaginalis

Question 43

Green vaginal discharge, strawberry cervix

Answer 43

Trichomonas vaginalis

Question 44

DOC in Strongyloides

Answer 44

Ivermectin

Question 45

Facultative parasite, serpiginous track

Answer 45

Strongyloides

Question 46

Only nematode involving migratory birds in life cycle

Answer 46

Capillaria philippinensis

Question 47

Peanut-shaped eggs, flattened bipolar plugs

Answer 47

Capillaria philippinensis

Question 48

Autoinfection, severe malabsorption, borborygmus, protein-losing enteropathy

Answer 48

Capillaria philippinensis

Question 49

DOC in Capillaria

Answer 49

Albendazole

Question 50

Most debilitating nematode infection

Answer 50

Wuchereria, Brugia

Question 51

Smooth curved, scrotal lymphatics, hydrocoele, more severe, widespread epidemiology, Bancroftian

Answer 51

Wuchereria

Question 52

Kinky, with terminal nuclei, only in SEA, limb lymphatic, elephantiasis, Malayan

Answer 52

Brugia

Question 53

Wuchereria, Brugia, infective stage

Answer 53

3rd stage larvae

Question 54

Specimen collection in Wuchereria, Brugia

Answer 54

8pm-4am

Question 55

Meyers-Kouvenaar bodies

Answer 55

Wuchereria, Brugia

Question 56

DOC in Wuchereria, Brugia

Answer 56

Diethylcarbamazine

Question 57

DOC in Trichinella spiralis

Answer 57

Thiabendazole

Question 58

Hypersensitivity reaction due to lysis of worms

Answer 58

Mazzotti reaction

Question 59

MCC of parasitic meningitis

Answer 59

Angiostrongylus cantonensis