OLQ Chapter 16 Eukaryotic Pathogens
Classification 61 Review Questions
A lichen is a symbiosis of two or more species and the relationship can be most accurately described as
_______.
commensalism
parasitism
mutualism - ✔ ✔ parasitism
A person ate inadequacy aged prosciutto (salted ham of wild pigs). The person may get infected by
_________ from this meal.
Anisakis simplex
Trichuris trichiura
Enterobius vermicularis
Trichinella spiralis - ✔ ✔ Trichinella spiralis
A person may get infected by blood flukes such as Schistosoma haematobium by __________.
eating uncooked water vegetables
wading in freshwater ponds
eating undercooked fish
eating undercooked crawfish and crabs
getting bitten by Culex or Aedes mosquitoes - ✔ ✔ wading in freshwater ponds
A person may get infected by the cestode worms of the genus ____________ by eating cereal that had
some weevils.
,Taenia asiatica
Dipylidium caninum
Hymenolepis nana
Echinococcus granulosus - ✔ ✔ Hymenolepis nana
A thallus is a multicellular structure lacking vascular tissue (tissues involved in the transport of water and
dissolved nutrients). Which of the following groups have organisms that produce thallus or structures
similar to it?
Lichens.
Slime molds.
Fungi.
Algae.
All these groups. - ✔ ✔ All these groups.
About 1.2 billion people are currently infected by Ascaris lumbricoides. Which of the following is the
deadliest outcome of ascariasis?
Perforation of the intestine.
Poor nutrient absorption.
Abdominal cramps.
Obstruction of the intestine. - ✔ ✔ Perforation of the intestine.
All of the following are algal toxins except _________.
orchatoxins and aflatoxins
saxitoxins and gonyautoxins
okadaic acid, and domoic acid
yessotoxins and brevetoxins
, dinophysis toxins, and pectenotoxins - ✔ ✔ orchatoxins and aflatoxins
All of the following are animals because their cells can eat (endocytose) solid (particulate) food items,
except _______.
algae and fungi
Roundworms
protozoa
slime molds
flatworms - ✔ ✔ algae and fungi
All of the following are fungal structures involved in sexual reproduction (part of the teleomorphs) that
produce sexual spores. Which of the following is a basidium?
-It produces haploid spores inside a thick-walled structure.
-It produces four haploid spores on four outcrops.
-It produces eight haploid spores inside a tubular structure. - ✔ ✔ It produces four haploid spores on
four outcrops.
All of the following are intestinal, liver, or lung flukes except __________, it causes swimmers itch.
Bilharziella polonica
Paragonimus westermani
Heterophytes heterophytes
Opisthorchis viverrin
Echinostoma echinatum, - ✔ ✔ Bilharziella polonica
All of the following fungi are members of the phylum Ascomycota and all are dimorphic fungal
pathogens except __________.
-Pseudallescheria boydii
Classification 61 Review Questions
A lichen is a symbiosis of two or more species and the relationship can be most accurately described as
_______.
commensalism
parasitism
mutualism - ✔ ✔ parasitism
A person ate inadequacy aged prosciutto (salted ham of wild pigs). The person may get infected by
_________ from this meal.
Anisakis simplex
Trichuris trichiura
Enterobius vermicularis
Trichinella spiralis - ✔ ✔ Trichinella spiralis
A person may get infected by blood flukes such as Schistosoma haematobium by __________.
eating uncooked water vegetables
wading in freshwater ponds
eating undercooked fish
eating undercooked crawfish and crabs
getting bitten by Culex or Aedes mosquitoes - ✔ ✔ wading in freshwater ponds
A person may get infected by the cestode worms of the genus ____________ by eating cereal that had
some weevils.
,Taenia asiatica
Dipylidium caninum
Hymenolepis nana
Echinococcus granulosus - ✔ ✔ Hymenolepis nana
A thallus is a multicellular structure lacking vascular tissue (tissues involved in the transport of water and
dissolved nutrients). Which of the following groups have organisms that produce thallus or structures
similar to it?
Lichens.
Slime molds.
Fungi.
Algae.
All these groups. - ✔ ✔ All these groups.
About 1.2 billion people are currently infected by Ascaris lumbricoides. Which of the following is the
deadliest outcome of ascariasis?
Perforation of the intestine.
Poor nutrient absorption.
Abdominal cramps.
Obstruction of the intestine. - ✔ ✔ Perforation of the intestine.
All of the following are algal toxins except _________.
orchatoxins and aflatoxins
saxitoxins and gonyautoxins
okadaic acid, and domoic acid
yessotoxins and brevetoxins
, dinophysis toxins, and pectenotoxins - ✔ ✔ orchatoxins and aflatoxins
All of the following are animals because their cells can eat (endocytose) solid (particulate) food items,
except _______.
algae and fungi
Roundworms
protozoa
slime molds
flatworms - ✔ ✔ algae and fungi
All of the following are fungal structures involved in sexual reproduction (part of the teleomorphs) that
produce sexual spores. Which of the following is a basidium?
-It produces haploid spores inside a thick-walled structure.
-It produces four haploid spores on four outcrops.
-It produces eight haploid spores inside a tubular structure. - ✔ ✔ It produces four haploid spores on
four outcrops.
All of the following are intestinal, liver, or lung flukes except __________, it causes swimmers itch.
Bilharziella polonica
Paragonimus westermani
Heterophytes heterophytes
Opisthorchis viverrin
Echinostoma echinatum, - ✔ ✔ Bilharziella polonica
All of the following fungi are members of the phylum Ascomycota and all are dimorphic fungal
pathogens except __________.
-Pseudallescheria boydii
