MEDICAL PARASITOLOGY
7TH EDITION
LEVENTHAL TESTBANK
,Chapter 1. Introduction
1. In a general nematode parasite’s lifejcycle, the host may ingest a fertile egg. This stage of the life
cycle is referred to as the:
a. Definitive host phase
b. Diagnostic stage
c. Infective stage
d. Methodjof infection
2. A parasite that lives inside a host is referred to as a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
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3. Zoonosis is a termjused to describejhumans’ 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 isjreferred to as a(n):
a. Definitive host
b. Intermediate host
c. Reservoir host
d. Transport host
5. The host in which thejparasite reaches sexual or reproductive maturity is referred to as a(n):
a. Definitive host
b. Intermediate host
,c. Reservoir host
d. Transport host
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, Answerjkey forjchapter 1. Introduction
1. In a general nematode parasite’s lifejcycle, the host may ingest a fertile egg. This stage of the life
cycle is referred to as the:
a. Definitive host phase
b. Diagnostic stage
c. Infective stage
d. Method of infection
ANS: C
RATIONALE: This is thejstage of the life cycle at which thejparasite isjcapable of entering and develo
pingjwithin thejhost. It is a required part of the life cyclejof that 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 GRADESMORE.COM
ANS: C
RATIONALE: Endoparasites live inside the host. Ectoparasites livejon the outside of the host. Facult
ativejparasites can live as well outside the host asjinside the host; host infection usually occurs accide
ntally. Other accidental parasites may include parasites that usually infect other animals.
KEY: Introduction: parasite definitions/lifejcycles | Cognitive level: recall
3. Zoonosis isja term used to describejhumans’ relationship with a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
ANS: A
RATIONALE: Zoonosis is an accidental infectionjwith a parasitejthat usually parasitizes animals.
Endoparasites live inside the host. Ectoparasites live outside the host. Facultative
7TH EDITION
LEVENTHAL TESTBANK
,Chapter 1. Introduction
1. In a general nematode parasite’s lifejcycle, the host may ingest a fertile egg. This stage of the life
cycle is referred to as the:
a. Definitive host phase
b. Diagnostic stage
c. Infective stage
d. Methodjof infection
2. A parasite that lives inside a host is referred to as a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
GRADESMORE.COM
3. Zoonosis is a termjused to describejhumans’ 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 isjreferred to as a(n):
a. Definitive host
b. Intermediate host
c. Reservoir host
d. Transport host
5. The host in which thejparasite reaches sexual or reproductive maturity is referred to as a(n):
a. Definitive host
b. Intermediate host
,c. Reservoir host
d. Transport host
GRADESMORE.COM
, Answerjkey forjchapter 1. Introduction
1. In a general nematode parasite’s lifejcycle, the host may ingest a fertile egg. This stage of the life
cycle is referred to as the:
a. Definitive host phase
b. Diagnostic stage
c. Infective stage
d. Method of infection
ANS: C
RATIONALE: This is thejstage of the life cycle at which thejparasite isjcapable of entering and develo
pingjwithin thejhost. It is a required part of the life cyclejof that 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 GRADESMORE.COM
ANS: C
RATIONALE: Endoparasites live inside the host. Ectoparasites livejon the outside of the host. Facult
ativejparasites can live as well outside the host asjinside the host; host infection usually occurs accide
ntally. Other accidental parasites may include parasites that usually infect other animals.
KEY: Introduction: parasite definitions/lifejcycles | Cognitive level: recall
3. Zoonosis isja term used to describejhumans’ relationship with a(n):
a. Accidental parasite
b. Ectoparasite
c. Endoparasite
d. Facultative parasite
ANS: A
RATIONALE: Zoonosis is an accidental infectionjwith a parasitejthat usually parasitizes animals.
Endoparasites live inside the host. Ectoparasites live outside the host. Facultative
