Medical Parasitology 7th Edition Leventhal Test Bank

Medical Parasitology 7th Edition
Leventhal Test Bank

,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

,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:zC
RATIONALE:zEndoparasiteszlivezinsidezthezhost.zEctoparasiteszlivezonzthezoutsidezofzthezhost.zF
acultativezparasiteszcanzlivezaszwellzoutsidezthezhostzaszinsidezthezhost;zhostzinfectionzusuallyzocc
urszaccidentally.zOtherzaccidentalzparasiteszmayzincludezparasiteszthatzusuallyzinfectzotherzanimal
s.
KEY:zIntroduction:zparasitezdefinitions/lifezcyclesz|zCognitivezlevel:zrecall




3. Zoonosisziszaztermzusedztozdescribezhumans’zrelationshipzwithza(n):
a. Accidentalzparasite
b. Ectoparasite
c. Endoparasite
d. Facultativezparasite

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

, RATIONALE:zZoonosisziszanzaccidentalzinfectionzwithzazparasitezthatzusuallyzparasitizeszanim
als.zEndoparasiteszlivezinsidezthezhost.zEctoparasiteszlivezoutsidezthezhost.zFacultative
parasiteszcanzlivezaszwellzoutsidezthezhostzaszinsidezthezhost;zhostzinfectionzusuallyzoccurszacciden
tally.
KEY:zIntroduction:zparasitezdefinitions/lifezcyclesz|zCognitivezlevel:zrecall




4. Anzanimalzthatzharborszazparasitezthatzcanzalsozinfectzhumansziszreferredztozasza(n):
a. Definitivezhost
b. Intermediatezhost
c. Reservoirzhost
d. Transportzhost

ANS:zC
RATIONALE:zReservoirzhostszharborzparasiteszthatzarezalsozinfectivezforzhumans.zInfectionszo
ccurzwhenzhumanszencounterzinfectedzanimalszorzinfectivezformszrelatedztozthatzparasite’szlifezc
ycle.
KEY:zIntroduction:zparasite-hostzrelationshipsz|zCognitivezlevel:zrecall




5. ThezhostzinzwhichzthezparasitezreaG
chReA
szD
seExS
uaMlzO
orRrE
ep.roCdOuM
ctivezmaturityziszreferredztozasza(n):
a. Definitivezhost
b. Intermediatezhost
c. Reservoirzhost
d. Transportzhost

ANS:zA
RATIONALE:zThezdefinitivezhostzharborszthezparasitezinzitszcompletezform,zwhichzpromoteszcon
tinuancezofzthezparasite’szlifezcycle.zAzreservoirzhostzalsozserveszaszazdefinitivezhost.
KEY:zIntroduction:zparasite-hostzrelationshipsz|zCognitivezlevel:zrecall
Chapterz2.z Nematoda




1. Azclinicalzsignzthatzmayzsuggestzthezpresencezofzazfilarialznematodezinfectionzis:
a. Diarrhea
b. Eosinophilia
c. Jaundice
d. Microcyticzanemia

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