LAB 3 - Trematodes Flashcards
Identify the Trematode and Stage:
A. Schistosoma japonicum
B. Paragonimus westermani
C. Fasciolopsis buski
D. Echinostoma ilocanim
B. Paragonimus westermani
Infective Stage: Metacercaria
Found in Crab of Crayfish
Identify the Trematode and Stage:
A. Schistosoma japonicum
B. Paragonimus westermani
C. Fasciolopsis buski
D. Echinostoma ilocanim
B. Paragonimus westermani
For which parasite is the freshwater snail, belonging to genera Semisulcospira and Brotia asperata, the first intermediate host?
A) Enterobius vermicularis
B) Taenia solium
C) Ancylostoma duodenale
D) Paragonimus westermani
D) Paragonimus westermani
Which of the following is the second intermediate host for Paragonimus westermani?
A) Freshwater fish
B) Freshwater crab or crayfish
C) Freshwater mosquito
D) Freshwater snail
B) Freshwater crab or crayfish
What is the primary mode of transmission for Paragonimus westermani to its definitive host?
A) Drinking contaminated water
B) Eating undercooked crab or crayfish containing metacercaria
C) Skin contact with contaminated water
D) Inhalation of contaminated air
B) Eating undercooked crab or crayfish containing metacercaria
In which part of the definitive host does Paragonimus westermani predominantly reside?
A) Liver
B) Small intestine
C) Lungs
D) Blood
C) Lungs
Which stage of Paragonimus westermani is infectious to its definitive host?
A) Egg
B) Larva
C) Cercariae
D) Metacercariae encysted in crab or crayfish
D) Metacercariae encysted in crab or crayfish
Identify the Trematode and Stage:
A. Schistosoma japonicum
B. Paragonimus westermani
C. Fasciolopsis buski
D. Echinostoma ilocanim
B. Paragonimus westermani
Stage: Adult (Coffee-Bean Shape)
First Intermediate Host of Paragonimus:
A. Brotia asperata
B. Parathelphusa grapsoides
A. Brotia asperata
P. westermani (Intermediate Host)
1: Brotia asperata
2: Parathelphusa grapsoides
Second Intermediate Host of Paragonimus:
A. Brotia asperata
B. Parathelphusa grapsoides
B. Parathelphusa grapsoides
P. westermani (Intermediate Host)
1: Brotia asperata
2: Parathelphusa grapsoides
Identify the Trematode and Stage:
A. Schistosoma japonicum
B. Paragonimus westermani
C. Fasciolopsis buski
D. Echinostoma ilocanim
B. Paragonimus westermani
Stage: Egg
Identify the Trematode and Gender:
A. Schistosoma japonicum
B. Paragonimus westermani
C. Fasciolopsis buski
D. Echinostoma ilocanim
A. Schistosoma japonicum
Male
Identify the Trematode and Gender:
A. Schistosoma japonicum
B. Paragonimus westermani
C. Fasciolopsis buski
D. Echinostoma ilocanim
A. Schistosoma japonicum
Female
Identify the Trematode and Gender:
A. Schistosoma japonicum
B. Schistosoma mansoni
C. Fasciolopsis buski
D. Echinostoma ilocanim
B. Schistosoma mansoni
Male and Female
Identify the Trematode and Stage:
A. Schistosoma japonicum
B. Paragonimus westermani
C. Fasciolopsis buski
D. Echinostoma ilocanim
A. Schistosoma japonicum
Egg
Identify the Trematode and Gender:
A. Schistosoma japonicum
B. Paragonimus westermani
C. Fasciolopsis buski
D. Echinostoma ilocanim
A. Schistosoma japonicum
Female
Intermediate host of Schistosoma japonicum
A. Brotia asperata
B. Parathelphusa grapsoides
C. Oncomelania hupensis quadrasi
C. Oncomelania hupensis quadrasi
Identify the Trematode and Stage:
A. Schistosoma japonicum
B. Paragonimus westermani
C. Fasciolopsis buski
D. Echinostoma ilocanim
A. Schistosoma japonicum
Stage: Miracidium