Medical Parasitology
7TH Edition Leventhal
,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
,c. Reservoir Host
d. Transport Host
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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 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 GRADESMORE.COM
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