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Parasitology Exam 3 and answers
Parasitology Exam 3 and answers 
 BilateralThe symmetry of most nematoda is 
 
PseudocoelomNematodas possess a ________ 
(coelom/pseudocoelom/acoelom) 
 
CompleteNematodas have a(n) _________ digestive tract (complete/incomplete) 
 
Underlying hypodermisIn nematoda, the noncellular cuticle is secreted by an 
_________ ________. 
 
4In nematoda, a chitinous cuticle is shed __ times. 
 
Ventral excretory poreIn nematoda, where does the secretory-excretory system 
open? 
 
Cuticle, ...
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Parasitology Exam 3 and answers 
 BilateralThe symmetry of most nematoda is 
 
PseudocoelomNematodas possess a ________ 
(coelom/pseudocoelom/acoelom) 
 
CompleteNematodas have a(n) _________ digestive tract (complete/incomplete) 
 
Underlying hypodermisIn nematoda, the noncellular cuticle is secreted by an 
_________ ________. 
 
4In nematoda, a chitinous cuticle is shed __ times. 
 
Ventral excretory poreIn nematoda, where does the secretory-excretory system 
open? 
 
Cuticle, ...
Parasitology Exam 2 and answers
Parasitology Exam 2 and answers 
 TransmissionFundamental, mode depends on parasite -Fecal/oral -Trophic (consumption) -Direct Penetration -Vector Transmission -Sexual -Vertical 
 
Broadcast ReproductionA reproductive strategy in which reproductive propagules 
are released into the environment to be dispersed by water or wind. Many eggs are 
released. 
 
Complex migrationascaris suum- migrate also through respiratory system. 
 
Maintaining PositionUsed to cope with movement -Adhesive di...
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Parasitology Exam 2 and answers 
 TransmissionFundamental, mode depends on parasite -Fecal/oral -Trophic (consumption) -Direct Penetration -Vector Transmission -Sexual -Vertical 
 
Broadcast ReproductionA reproductive strategy in which reproductive propagules 
are released into the environment to be dispersed by water or wind. Many eggs are 
released. 
 
Complex migrationascaris suum- migrate also through respiratory system. 
 
Maintaining PositionUsed to cope with movement -Adhesive di...
Parasitology Exam 1- Lecture Quizes and answers
Parasitology Exam 1- Lecture Quizes 
and answers 
d. stoolThe most common specimen submitted to the laboratory for detection of 
parasites is: 
a. blood 
b. sputum 
c. urine 
d. stool 
b. definitive host.The parasite host in which the reproductive phase of parasite 
development occurs is called the: 
a. obligatory host. 
b. definitive host. 
c. intermediate host. 
d. reservoir host. 
c. continue the parasite's life cycle.The purpose of a parasite infection of a host is 
to: 
a...
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Parasitology Exam 1- Lecture Quizes 
and answers 
d. stoolThe most common specimen submitted to the laboratory for detection of 
parasites is: 
a. blood 
b. sputum 
c. urine 
d. stool 
b. definitive host.The parasite host in which the reproductive phase of parasite 
development occurs is called the: 
a. obligatory host. 
b. definitive host. 
c. intermediate host. 
d. reservoir host. 
c. continue the parasite's life cycle.The purpose of a parasite infection of a host is 
to: 
a...
parasitology exam 1 practice questions and answers
parasitology exam 1 practice questions 
and answers 
 Which of the following statements best describes the process called phagocytosis? 
 - It requires the rearrangement of clathrin - Small molecules are usually internalized in this manner - It is a process performed by specialized cells for the internalization of particles 
greater than 0.5um - All receptors can mediate this processIt is a process performed by specialized 
cells for the internalization of particles greater than 0.5um 
 
...
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parasitology exam 1 practice questions 
and answers 
 Which of the following statements best describes the process called phagocytosis? 
 - It requires the rearrangement of clathrin - Small molecules are usually internalized in this manner - It is a process performed by specialized cells for the internalization of particles 
greater than 0.5um - All receptors can mediate this processIt is a process performed by specialized 
cells for the internalization of particles greater than 0.5um 
 
...
Parasitology Exam 1 and answers
Parasitology Exam 1 and answers 
 A close relationship between two species that benefits at least one of the 
species.symbiosis 
 
each partner in symbiosissymbiont 
 
extremely short term relationship 
 
One symbiont benefits at the expense of the otherPredator-Prey symbiotic 
relationship 
 
Phor- To carry 
 
Smaller member of the relationship is mechanically carried about by the larger 
member. Travel buddiesPhoresis (symbiotic relationship) 
 
both organisms benefit 
 
Ofte...
- Exam (elaborations)
- • 6 pages •
Parasitology Exam 1 and answers 
 A close relationship between two species that benefits at least one of the 
species.symbiosis 
 
each partner in symbiosissymbiont 
 
extremely short term relationship 
 
One symbiont benefits at the expense of the otherPredator-Prey symbiotic 
relationship 
 
Phor- To carry 
 
Smaller member of the relationship is mechanically carried about by the larger 
member. Travel buddiesPhoresis (symbiotic relationship) 
 
both organisms benefit 
 
Ofte...
Parasitology Exam 1 and answers
Parasitology Exam 1 and answers 
 Autogenic parasitecomplete life cycle in a single ecosystem i.e freshwater 
isopods 
 
allogenic parasiteslife cycle in more than one ecosystem i.e lyme bacteria 
 
Obligatory parasiteAn organism that MUST live as a parasite, it is incapable of 
living on its own 
 
faculative parasitesome stage is free living but eventually requires a host 
 
opportunistic parasirean organism that may parasitize but doesn't need to in 
order to complete its life ...
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Parasitology Exam 1 and answers 
 Autogenic parasitecomplete life cycle in a single ecosystem i.e freshwater 
isopods 
 
allogenic parasiteslife cycle in more than one ecosystem i.e lyme bacteria 
 
Obligatory parasiteAn organism that MUST live as a parasite, it is incapable of 
living on its own 
 
faculative parasitesome stage is free living but eventually requires a host 
 
opportunistic parasirean organism that may parasitize but doesn't need to in 
order to complete its life ...
Parasitology Exam 1 and answers
Parasitology Exam 1 and answers 
 EctoparasiteReside on the external surface of their host, causing infestations 
 
EndoparasiteReside inside the host's body leading to infections 
 
AutogenicComplete their life cycle in a single ecosystem 
 
AllogenicComplete their life cycle in more than one type of ecosystem 
 
MicroparasiteSmall and have rapid generation times; difficult to quantify 
 
MacroparasiteLarger, though small er than their host; can be quantified 
 
ObligatoryRequi...
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Parasitology Exam 1 and answers 
 EctoparasiteReside on the external surface of their host, causing infestations 
 
EndoparasiteReside inside the host's body leading to infections 
 
AutogenicComplete their life cycle in a single ecosystem 
 
AllogenicComplete their life cycle in more than one type of ecosystem 
 
MicroparasiteSmall and have rapid generation times; difficult to quantify 
 
MacroparasiteLarger, though small er than their host; can be quantified 
 
ObligatoryRequi...
Parasitology Chapter 10 questions and answers
Parasitology Chapter 10 questions and 
answers 
 Giardia lamblia 
G.lamblia adheres to the intestinal mucosa and appears intermittently in feces; 
therefore, three to six samples may be needed to successfully find the 
organisms.For which of the following parasites might the examination of as many 
as six specimens be needed in order to recover the parasite: 
 
Castor oilIf patients must be purged to enhance recovery of parasites, any of the 
following enemics may be used EXCEPT: 
 
...
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Parasitology Chapter 10 questions and 
answers 
 Giardia lamblia 
G.lamblia adheres to the intestinal mucosa and appears intermittently in feces; 
therefore, three to six samples may be needed to successfully find the 
organisms.For which of the following parasites might the examination of as many 
as six specimens be needed in order to recover the parasite: 
 
Castor oilIf patients must be purged to enhance recovery of parasites, any of the 
following enemics may be used EXCEPT: 
 
...
PARASITOLOGY (PROTOZOANS) questions and answers
PARASITOLOGY (PROTOZOANS) 
questions and answers 
non-motile, non feeding stage and infective stagecyst 
has protoplasmic processes or pseudopodia for locomotionclass sarcodina 
only class sarcodina with no cystic stageEntamoeba gingivalis 
class sarcodina inhabits the large intestine exceptEntamoeba gingivalis 
Class sarcodina members are commensal exceptEntamoeba histolytica 
T/F: amoeba excreted as trophozoites can mature into cystfalse. amoeba 
excreted as trophozoites CANNOT mature ...
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PARASITOLOGY (PROTOZOANS) 
questions and answers 
non-motile, non feeding stage and infective stagecyst 
has protoplasmic processes or pseudopodia for locomotionclass sarcodina 
only class sarcodina with no cystic stageEntamoeba gingivalis 
class sarcodina inhabits the large intestine exceptEntamoeba gingivalis 
Class sarcodina members are commensal exceptEntamoeba histolytica 
T/F: amoeba excreted as trophozoites can mature into cystfalse. amoeba 
excreted as trophozoites CANNOT mature ...
WGU C949 Data Types STUDY GUIDE and answers PACKAGE
WGU C949 Data Types STUDY GUIDE 
and answers 
ArrayA data structure that stores an ordered list of items, with each item is 
directly accessible by a positional index. 
 
Linked ListA data structure that stores ordered list of items in nodes, where each 
node stores data and has a pointer to the next node. 
 
Bianary Search TreeA data structu
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WGU C949 Data Types STUDY GUIDE 
and answers 
ArrayA data structure that stores an ordered list of items, with each item is 
directly accessible by a positional index. 
 
Linked ListA data structure that stores ordered list of items in nodes, where each 
node stores data and has a pointer to the next node. 
 
Bianary Search TreeA data structu