TEST BANK for Medical Parasitology: A Self-Instructional Text,
7th Edition by Leventhal; Cheadle
What is a parasite? - ANSWER:any organism that undergoes parasitism
Characteristics of a parasite? - ANSWER:Have a host association
many free living life cycle stages
has to be a interspecific interaction
What is parasitism? - ANSWER:Interaction where one species(parasite) lives in or on
another at the others expense.
What is an ectoparasite? - ANSWER:a parasite that lives on the outside of the body
What is an endoparasite? - ANSWER:a parasite that lives inside the host
What is an mesoparasite? - ANSWER:a parasite that is half inside, half outside
What is an hyperparasite? - ANSWER:a parasite of another parasite
What is a parasitoid? - ANSWER:A parasite that kills its host
What is an facultative parasite? - ANSWER:A parasite present only if the opportunity
presents itself
What is an obligate parasite? - ANSWER:A parasite that is mandatory for the
completion of their life cycle
What is a definitive host? - ANSWER:host is which parasite reaches sexual maturity
What is an intermediate host? - ANSWER:the organism in which the parasite lives
during a period of its development only
What is a paratonic host? - ANSWER:occurs in the life cycle but there is no
development
What is a monexenous host? - ANSWER:lives in association with a single host in life
cycle
What is a heteroxenous parasite? - ANSWER:lives in association with more than 1
host
What is a zoonotic host? - ANSWER:disease or infection that is transmitted between
animals and humans
, What is reservoir host? - ANSWER:animal other than human that is infected with a
parasite that can infect humans
What is a vector? - ANSWER:organism that is transmits a disease/parasite
What is a pathogen? - ANSWER:something that expresses harm
What is prevalence? - ANSWER:# of infected individuals in any particular sample
What is intensity? - ANSWER:mean # of parasites per infected individual
What is a pandemic? - ANSWER:worldwide epidemic
What is epizootic? - ANSWER:an epidemic in animals
What is etiology? - ANSWER:cause of disease
What are protozoans? - ANSWER:unicellular organisms
What are metazoans? - ANSWER:multiceullar organisms
Giardia duadenalis is the etiological agent of? - ANSWER:Giardiasis
What is the most common flagellate in the gut? - ANSWER:Giardia Duadenalis
Where is Giardia found? - ANSWER:worldwide
Pathogenity of Giardia - ANSWER:Direct contact of trophs
Toxic substances
fatty stool
Is Giardia monoxenous or heteroxenous? - ANSWER:Monoxenous
Treatment of Giardiasis - ANSWER:Metronidazole (Flagyl)
Undelapodia refers to what? - ANSWER:cilia and flagella
What is cilia? - ANSWER:Tiny hairlike structures that propel substances along the
surface of the tissue (Like in your throat/esophogus)
True or False: Balantidium coli is the only ciliate parasite in humans - ANSWER:True
Where is Balantidium found? - ANSWER:In the tropics
Where is Balantidium coli found in the host? - ANSWER:large intestine
Transmission of balantidium coli? - ANSWER:fecal-oral
7th Edition by Leventhal; Cheadle
What is a parasite? - ANSWER:any organism that undergoes parasitism
Characteristics of a parasite? - ANSWER:Have a host association
many free living life cycle stages
has to be a interspecific interaction
What is parasitism? - ANSWER:Interaction where one species(parasite) lives in or on
another at the others expense.
What is an ectoparasite? - ANSWER:a parasite that lives on the outside of the body
What is an endoparasite? - ANSWER:a parasite that lives inside the host
What is an mesoparasite? - ANSWER:a parasite that is half inside, half outside
What is an hyperparasite? - ANSWER:a parasite of another parasite
What is a parasitoid? - ANSWER:A parasite that kills its host
What is an facultative parasite? - ANSWER:A parasite present only if the opportunity
presents itself
What is an obligate parasite? - ANSWER:A parasite that is mandatory for the
completion of their life cycle
What is a definitive host? - ANSWER:host is which parasite reaches sexual maturity
What is an intermediate host? - ANSWER:the organism in which the parasite lives
during a period of its development only
What is a paratonic host? - ANSWER:occurs in the life cycle but there is no
development
What is a monexenous host? - ANSWER:lives in association with a single host in life
cycle
What is a heteroxenous parasite? - ANSWER:lives in association with more than 1
host
What is a zoonotic host? - ANSWER:disease or infection that is transmitted between
animals and humans
, What is reservoir host? - ANSWER:animal other than human that is infected with a
parasite that can infect humans
What is a vector? - ANSWER:organism that is transmits a disease/parasite
What is a pathogen? - ANSWER:something that expresses harm
What is prevalence? - ANSWER:# of infected individuals in any particular sample
What is intensity? - ANSWER:mean # of parasites per infected individual
What is a pandemic? - ANSWER:worldwide epidemic
What is epizootic? - ANSWER:an epidemic in animals
What is etiology? - ANSWER:cause of disease
What are protozoans? - ANSWER:unicellular organisms
What are metazoans? - ANSWER:multiceullar organisms
Giardia duadenalis is the etiological agent of? - ANSWER:Giardiasis
What is the most common flagellate in the gut? - ANSWER:Giardia Duadenalis
Where is Giardia found? - ANSWER:worldwide
Pathogenity of Giardia - ANSWER:Direct contact of trophs
Toxic substances
fatty stool
Is Giardia monoxenous or heteroxenous? - ANSWER:Monoxenous
Treatment of Giardiasis - ANSWER:Metronidazole (Flagyl)
Undelapodia refers to what? - ANSWER:cilia and flagella
What is cilia? - ANSWER:Tiny hairlike structures that propel substances along the
surface of the tissue (Like in your throat/esophogus)
True or False: Balantidium coli is the only ciliate parasite in humans - ANSWER:True
Where is Balantidium found? - ANSWER:In the tropics
Where is Balantidium coli found in the host? - ANSWER:large intestine
Transmission of balantidium coli? - ANSWER:fecal-oral
