INFECTIVE STAGES OF DIFFERENT PARASITES PROTOZOANS

Question 1

Cyst

Answer 1

Protozoans (amoebas)

Question 2

Trophozoite

Answer 2

T. vaginalis,
Entamoeba gingivalis,
Dientamoeba fragilis

Question 3

Sporozoites

Answer 3

• Plasmodium

Question 4

Trypomastigote

Answer 4

Trypanosoma

Question 5

Promastigote-

Answer 5

Leishmania

Question 6

NEMATODES

Answer 6

Embryonated egg “HATE”
H. nana (CESTODE)
A. lumbricoides
T. trichiura
E. vermicularis

Question 7

Larva

Answer 7

• T. spiralis, C. philippinensis

Question 8

Filariform Larva-

Answer 8

Hookworm,
S. stercoralis

Question 9

3rd Stage Larva

Answer 9

• W. bancrofti,
  B. malayi,
  A. cantonensis,
  L. loa,
  O. volvulus,
  Mansonella

Question 10

TREMATODES

Question 11

Cercaria

Answer 11

S. japonicum,
S. haematobium,
S. mansoni

Question 12

Metacercaria

Answer 12

F. hepatica,
F. buski,
C. sinensis,
O. felineus,
P. westermani,
E. ilocanum,
Heterophyids

Question 13

CESTODES

Question 14

Cysticercus bovis

Answer 14

• T. saginata

Question 15

Cyticercus cellulosae

Answer 15

• T. solium

Question 16

Plerocercoid larva

Answer 16

D. latum

Question 17

Hydatid cyst

Answer 17

E. granulosus

Question 18

Cysticercoid larva

Answer 18

H. diminuta,
H. nana,
D. caninum