Medical Parasitology (7th Edition) – Leventhal | Complete Test Bank with Verified A+ Questions and Answers

MEDICAL PARASITOLOGY 7TH EDITION LEVENTHAL MEDICAL PARASITOLOGY 7TH EDITION LEVENTHAL




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MEDICAL PARASITOLOGY 7TH EDITION LEVENTHAL ALL CHAPTERS COVERED
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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 of
the life cycle is referred to as the:
a. Definitive host phase
b. Diagnostic stage
c. Infective stage
d. Method of 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 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

,MEDICAL PARASITOLOGY 7TH EDITION LEVENTHAL MEDICAL PARASITOLOGY 7TH EDITION LEVENTHAL


c. Reservoir host
d. Transport host




Answer Key for Chapter 1. Introduction

1. In a general nematode parasite’s life cycle, 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 the stage of the life cycle at which the parasite is capable of entering and
developing within the host. It is a required part of the life cycle of 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




Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 1

, MEDICAL PARASITOLOGY 7TH EDITION LEVENTHAL MEDICAL PARASITOLOGY 7TH EDITION LEVENTHAL




ANS: C
RATIONALE: Endoparasites live inside the host. Ectoparasites live on the outside of the 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




parasites can live as well outside the host as inside the host; host infection usually occurs
accidentally.
KEY: Introduction: parasite definitions/life cycles | Cognitive level: recall




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

ANS: C
RATIONALE: Reservoir hosts harbor parasites that are also infective for humans. Infections
occur when humans encounter infected animals or infective forms related to that parasite’s life
cycle.
KEY: Introduction: parasite-host relationships | Cognitive level: recall
Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 2