Parasitology Exam 2
1) Which subclass includes flukes that parasitize all classes of vertebrates?
a) Monogenea
b) Turbellaria
c) Digenea
d) Cestoda
e) Trematoda
2) What term describes the percentage of individuals in a host population infected with a parasite
at a given time?
a) Intensity
b) Incidence
c) Abundance
d) Prevalence
e) Density
3) The definitive host of Alaria americana is:
a) Water snake
b) Tadpole
c) Freshwater snail
d) Dog
e) Cow
4) Which of the following is a specialized excretory cell found in flatworms?
a) Syncytium
b) Cirrus
c) Flame cell
d) Cyton
e) Broodsac
5) Which term describes the egg-forming apparatus in digeneans?
a) Ootype
b) Mehlis' gland
c) Vitellaria
d) Oogenotop
e) Cirrus pouch
6) Which of the following stages is infective to humans in Clonorchis sinensis?
a) Miracidium
b) Cercaria
c) Sporocyst
d) Metacercaria
e) Redia
, 7) What term refers to a tapeworm segment containing fully developed eggs?
a) Proglottid
b) Scolex
c) Gravid
d) Strobila
e) Cirrus
8) Which of the following controls the release of ova from the ovary in digeneans?
a) Mehlis’ gland
b) Vitellaria
c) Oogenotop
d) Ootype
e) Ovicapt
9) What is the method of infection for Schistosoma mansoni?
a) Ingestion of metacercaria
b) Penetration of cercaria through the skin
c) Consumption of infected fish
d) Inhalation of eggs
e) Ingestion of sporocysts
10) Which of the following methods can kill Clonorchis sinensis metacercariae in fish?
a) Salting
b) Pickling
c) Freezing
d) Smoking
e) None of the above
11) Which term describes continuous distal cytoplasm with no intervening cell membranes?
a) Parenchyma
b) Syncytial
c) Tegumental
d) Cytoplasmic
e) Spined
12) Which fluke has its ventral sucker at the posterior end?
a) Distome
b) Monostome
c) Amphistome
d) None of the above
e) Polystome
13) What is the infective stage of Fasciola hepatica for humans?
a) Redia
1) Which subclass includes flukes that parasitize all classes of vertebrates?
a) Monogenea
b) Turbellaria
c) Digenea
d) Cestoda
e) Trematoda
2) What term describes the percentage of individuals in a host population infected with a parasite
at a given time?
a) Intensity
b) Incidence
c) Abundance
d) Prevalence
e) Density
3) The definitive host of Alaria americana is:
a) Water snake
b) Tadpole
c) Freshwater snail
d) Dog
e) Cow
4) Which of the following is a specialized excretory cell found in flatworms?
a) Syncytium
b) Cirrus
c) Flame cell
d) Cyton
e) Broodsac
5) Which term describes the egg-forming apparatus in digeneans?
a) Ootype
b) Mehlis' gland
c) Vitellaria
d) Oogenotop
e) Cirrus pouch
6) Which of the following stages is infective to humans in Clonorchis sinensis?
a) Miracidium
b) Cercaria
c) Sporocyst
d) Metacercaria
e) Redia
, 7) What term refers to a tapeworm segment containing fully developed eggs?
a) Proglottid
b) Scolex
c) Gravid
d) Strobila
e) Cirrus
8) Which of the following controls the release of ova from the ovary in digeneans?
a) Mehlis’ gland
b) Vitellaria
c) Oogenotop
d) Ootype
e) Ovicapt
9) What is the method of infection for Schistosoma mansoni?
a) Ingestion of metacercaria
b) Penetration of cercaria through the skin
c) Consumption of infected fish
d) Inhalation of eggs
e) Ingestion of sporocysts
10) Which of the following methods can kill Clonorchis sinensis metacercariae in fish?
a) Salting
b) Pickling
c) Freezing
d) Smoking
e) None of the above
11) Which term describes continuous distal cytoplasm with no intervening cell membranes?
a) Parenchyma
b) Syncytial
c) Tegumental
d) Cytoplasmic
e) Spined
12) Which fluke has its ventral sucker at the posterior end?
a) Distome
b) Monostome
c) Amphistome
d) None of the above
e) Polystome
13) What is the infective stage of Fasciola hepatica for humans?
a) Redia
