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Chapter 1. Introduction
1. In a general nematode parasite's life cycle, the host may ingest a fertile egg. This stage ofthe
life cycle is referred to as the:
a. Definitive host phase
b. Diagnostic stage
c. Infective stage
d. Method ofinfection
2. A parasite that lives inside a host is referred to as a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
gRADESM0RE. I0M
3. Zoonosis is a term used to describe humans' relationship with a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
4. An animal that harbors a parasite that can also infect humans is referred to as a(n):
a. Definitive host
b. Intermediate host
c. Reservoir host
d. Transport host
5. The host in which the parasite reaches sexual or reproductive maturity is referred to as a(n):
a. Definitive host
b. Intermediate host
Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 1
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c. Reservoir host
d. Transport host
0RADESM0RE. I0M
Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 1
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Answer Key for Chapter 1. Introduction
1. In a general nematode parasite's life cycle, the host may ingest a fertile egg. This stage ofthe
life cycle is referred to as the:
a. Definitive host phase
b. Diagnostic stage
c. Infective stage
d. Method ofinfection
ANS: C
RATIONALE: This is the stage ofthe life cycle at which the parasite is capable ofentering and
developing within the host. It is a required part ofthe life cycle ofthat parasite.
KEY: Introduction: parasite definitions/life cycles | Cognitive level: recall
2. A parasite that lives inside a host is referred to as a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite RADESM0RE. I0M
ANS: C
RATIONALE: Endoparasites live inside the host. Ectoparasites live on the outside ofthe host.
Facultative parasites can live as well outside the host as inside the host; host infection usually
occurs accidentally. Other accidental parasites may include parasites that usually infect other
animals.
KEY: Introduction: parasite definitions/life cycles | Cognitive level: recall
3. Zoonosis is a term used to describe humans' relationship with a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
ANS: A
RATIONALE: Zoonosis is an accidental infection with a parasite that usually parasitizes
animals. Endoparasites live inside the host. Ectoparasites live outside the host. Facultative
Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 1
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Distribution of this document is illegal extra per year?
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Chapter 1. Introduction
1. In a general nematode parasite's life cycle, the host may ingest a fertile egg. This stage ofthe
life cycle is referred to as the:
a. Definitive host phase
b. Diagnostic stage
c. Infective stage
d. Method ofinfection
2. A parasite that lives inside a host is referred to as a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
gRADESM0RE. I0M
3. Zoonosis is a term used to describe humans' relationship with a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
4. An animal that harbors a parasite that can also infect humans is referred to as a(n):
a. Definitive host
b. Intermediate host
c. Reservoir host
d. Transport host
5. The host in which the parasite reaches sexual or reproductive maturity is referred to as a(n):
a. Definitive host
b. Intermediate host
Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 1
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c. Reservoir host
d. Transport host
0RADESM0RE. I0M
Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 1
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Answer Key for Chapter 1. Introduction
1. In a general nematode parasite's life cycle, the host may ingest a fertile egg. This stage ofthe
life cycle is referred to as the:
a. Definitive host phase
b. Diagnostic stage
c. Infective stage
d. Method ofinfection
ANS: C
RATIONALE: This is the stage ofthe life cycle at which the parasite is capable ofentering and
developing within the host. It is a required part ofthe life cycle ofthat parasite.
KEY: Introduction: parasite definitions/life cycles | Cognitive level: recall
2. A parasite that lives inside a host is referred to as a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite RADESM0RE. I0M
ANS: C
RATIONALE: Endoparasites live inside the host. Ectoparasites live on the outside ofthe host.
Facultative parasites can live as well outside the host as inside the host; host infection usually
occurs accidentally. Other accidental parasites may include parasites that usually infect other
animals.
KEY: Introduction: parasite definitions/life cycles | Cognitive level: recall
3. Zoonosis is a term used to describe humans' relationship with a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
ANS: A
RATIONALE: Zoonosis is an accidental infection with a parasite that usually parasitizes
animals. Endoparasites live inside the host. Ectoparasites live outside the host. Facultative
Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 1
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