Parasitology Exam 3 Questions And Answers
What do protists use for motility (3 answers) -flagella
-cillia
-pseudopodia
true or false
protists can utilize sexual and asexual reproduction true
asexual reproduction in protists is known by ____________ binary fission
true or false
the protists are divided into groups based on locomotion, location, and reproduction true
Most amoebae are free-living organisms in ______________ soil and water
Amoebae have 2 life stages. What are they? troph and cyst
Amoebae reproduce via asexual reproduction
,Parasitology Exam 3 Questions And Answers
How are amoebae transmitted human to human
there are 2 groups of parasitic amoebae what are they obligate and facultative
obligate parasitic amoebae occur in the _________ in the human host digestive tract
facultative parasitic amoebae are free living in _______________ and can become parasitic if
they enter vertebrate tissues soil and water
Entamoeba histolytica is (obligate/facultative) obligate
_____________ is the most common pathogenic amoeba to parasitize humans Entamoeba
histolytica
_____________ is the causitive agent of Amoebiasis / Amoebic Dysentery Entamoeba
histolytica
,Parasitology Exam 3 Questions And Answers
an outbreak of ____________ at the wold fair in chicago in 1933 caused an outbreak due to
defective plumbing. This led to 1000 cases. Entamoeba histolytica
the trophozoite of Entamoeba histolytica often contains ___________ in their food vacuoles and
its a diagnostic characteristic red blood cells
the tophozoite of Entamoeba histolytica has a characteristic structure is the single nucleus with
one endosome that is _______________ located centrally
true or false
the trophozoite of Entamoeba histolytica living specimens show active, rapid movement
true
what is the primary habitat of the trophozoites of Entamoeba histolytica in their human hosts
large intestine
Entamoeba histolytica trophozoite - rapid movement
- directional movement
- finger like / explosive pseudopods
, Parasitology Exam 3 Questions And Answers
- large central endosome with ring of chromatin and delicate envelope
encystment is stimulated by ___________________ unfavorable conditions
the _________ of Entamoeba histolytica secretes cyst wall to form the round cyst precyst
fill in the blanks
nuclear division begins after encystment
__________ cyst -> ________ cyst -> _________ or mature cyst uninucleate
binucleate
quadrinucleate
Entamoeba histolytica cysts have rod-shaped ______________ chromatoidal bars
chromatoidal bars and vacuoles are most common in ______________ for Entamoeba histolytica
young cysts
Entamoeba histolytica cyst has cigar shaped areas of _______ packaged RNA
What do protists use for motility (3 answers) -flagella
-cillia
-pseudopodia
true or false
protists can utilize sexual and asexual reproduction true
asexual reproduction in protists is known by ____________ binary fission
true or false
the protists are divided into groups based on locomotion, location, and reproduction true
Most amoebae are free-living organisms in ______________ soil and water
Amoebae have 2 life stages. What are they? troph and cyst
Amoebae reproduce via asexual reproduction
,Parasitology Exam 3 Questions And Answers
How are amoebae transmitted human to human
there are 2 groups of parasitic amoebae what are they obligate and facultative
obligate parasitic amoebae occur in the _________ in the human host digestive tract
facultative parasitic amoebae are free living in _______________ and can become parasitic if
they enter vertebrate tissues soil and water
Entamoeba histolytica is (obligate/facultative) obligate
_____________ is the most common pathogenic amoeba to parasitize humans Entamoeba
histolytica
_____________ is the causitive agent of Amoebiasis / Amoebic Dysentery Entamoeba
histolytica
,Parasitology Exam 3 Questions And Answers
an outbreak of ____________ at the wold fair in chicago in 1933 caused an outbreak due to
defective plumbing. This led to 1000 cases. Entamoeba histolytica
the trophozoite of Entamoeba histolytica often contains ___________ in their food vacuoles and
its a diagnostic characteristic red blood cells
the tophozoite of Entamoeba histolytica has a characteristic structure is the single nucleus with
one endosome that is _______________ located centrally
true or false
the trophozoite of Entamoeba histolytica living specimens show active, rapid movement
true
what is the primary habitat of the trophozoites of Entamoeba histolytica in their human hosts
large intestine
Entamoeba histolytica trophozoite - rapid movement
- directional movement
- finger like / explosive pseudopods
, Parasitology Exam 3 Questions And Answers
- large central endosome with ring of chromatin and delicate envelope
encystment is stimulated by ___________________ unfavorable conditions
the _________ of Entamoeba histolytica secretes cyst wall to form the round cyst precyst
fill in the blanks
nuclear division begins after encystment
__________ cyst -> ________ cyst -> _________ or mature cyst uninucleate
binucleate
quadrinucleate
Entamoeba histolytica cysts have rod-shaped ______________ chromatoidal bars
chromatoidal bars and vacuoles are most common in ______________ for Entamoeba histolytica
young cysts
Entamoeba histolytica cyst has cigar shaped areas of _______ packaged RNA
