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Leventhal Test Bank
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,Chapter 1. Introduction
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1. In a general nematode parasite’s life cycle, the host may ingest a fertile egg. This stage of the
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life cycle is referred to as the:
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a. Definitive host phase g g
b. Diagnostic stage g
c. Infective stage g
d. Method of infection g g
2. A parasite that lives inside a host is referred to as a(n):
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a. Accidental parasite g
b. Ectoparasite
c. Endoparasite
d. Facultative parasite g
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3. Zoonosis is a term used to describe humans’ relationship with a(n):
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a. Accidental parasite g
b. Ectoparasite
c. Endoparasite
d. Facultative parasite g
4. An animal that harbors a parasite that can also infect humans is referred to as a(n):
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a. Definitive host g
b. Intermediate host g
c. Reservoir host g
d. Transport host g
5. The host in which the parasite reaches sexual or reproductive maturity is referred to as a(n):
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a. Definitive host g
b. Intermediate host g
Leventhal: Medical Parasitology, Ed. 7
g g g g Multiple Choice Questions - Chapter 1
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,c. Reservoir host
g
d. Transport host
g
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Leventhal: Medical Parasitology, Ed. 7
g g g g Multiple Choice Questions - Chapter 1
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, Answer Key for Chapter 1. Introduction
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1. In a general nematode parasite’s life cycle, the host may ingest a fertile egg. This stage of the
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life cycle is referred to as the:
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a. Definitive host phase g g
b. Diagnostic stage g
c. Infective stage g
d. Method of infection g g
ANS: C g
RATIONALE: This is the stage of the life cycle at which the parasite is capable of entering and
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developing within the host. It is a required part of the life cycle of that parasite.
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KEY: Introduction: parasite definitions/life cycles | Cognitive level: recall
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2. A parasite that lives inside a host is referred to as a(n):
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a. Accidental parasite g
b. Ectoparasite
c. Endoparasite
d. Facultative parasite GRADESMORE.COM
g
ANS: C g
RATIONALE: Endoparasites live inside the host. Ectoparasites live on the outside of the host.
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Facultative parasites can live as well outside the host as inside the host; host infection usually
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occurs accidentally. Other accidental parasites may include parasites that usually infect other
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animals.
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KEY: Introduction: parasite definitions/life cycles | Cognitive level: recall
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3. Zoonosis is a term used to describe humans’ relationship with a(n):
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a. Accidental parasite g
b. Ectoparasite
c. Endoparasite
d. Facultative parasite g
ANS: A g
RATIONALE: Zoonosis is an accidental infection with a parasite that usually parasitizes
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animals. Endoparasites live inside the host. Ectoparasites live outside the host. Facultative
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Leventhal: Medical Parasitology, Ed. 7
g g g g Multiple Choice Questions - Chapter 1
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