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:xC
RATIONALE:xEndoparasitesxlivexinsidexthexhost.xEctoparasitesxlivexonxthexoutsidexofxthexhost.x
Facultativexparasitesxcanxlivexasxwellxoutsidexthexhostxasxinsidexthexhost;xhostxinfectionxusuallyx
occursxaccidentally.xOtherxaccidentalxparasitesxmayxincludexparasitesxthatxusuallyxinfectxotherxan
imals.
KEY:xIntroduction:xparasitexdefinitions/lifexcyclesx|xCognitivexlevel:xrecall




3. Zoonosisxisxaxtermxusedxtoxdescribexhumans’xrelationshipxwithxa(n):
a. Accidentalxparasite
b. Ectoparasite
c. Endoparasite
d. Facultativexparasite

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

, RATIONALE:xZoonosisxisxanxaccidentalxinfectionxwithxaxparasitexthatxusuallyxparasitizesxani
mals.xEndoparasitesxlivexinsidexthexhost.xEctoparasitesxlivexoutsidexthexhost.xFacultative
parasitesxcanxlivexasxwellxoutsidexthexhostxasxinsidexthexhost;xhostxinfectionxusuallyxoccursxaccid
entally.
KEY:xIntroduction:xparasitexdefinitions/lifexcyclesx|xCognitivexlevel:xrecall




4. Anxanimalxthatxharborsxaxparasitexthatxcanxalsoxinfectxhumansxisxreferredxtoxasxa(n):
a. Definitivexhost
b. Intermediatexhost
c. Reservoirxhost
d. Transportxhost

ANS:xC
RATIONALE:xReservoirxhostsxharborxparasitesxthatxarexalsoxinfectivexforxhumans.xInfectionsx
occurxwhenxhumansxencounterxinfectedxanimalsxorxinfectivexformsxrelatedxtoxthatxparasite’sxlife
xcycle.
KEY:xIntroduction:xparasite-hostxrelationshipsx|xCognitivexlevel:xrecall




5. ThexhostxinxwhichxthexparasitexreaG
chReA
sxD
seExS
uaMlxO
orRrE
ep.roCdOuM
ctivexmaturityxisxreferredxtoxasxa(n):
a. Definitivexhost
b. Intermediatexhost
c. Reservoirxhost
d. Transportxhost

ANS:xA
RATIONALE:xThexdefinitivexhostxharborsxthexparasitexinxitsxcompletexform,xwhichxpromotesxco
ntinuancexofxthexparasite’sxlifexcycle.xAxreservoirxhostxalsoxservesxasxaxdefinitivexhost.
KEY:xIntroduction:xparasite-hostxrelationshipsx|xCognitivexlevel:xrecall
Chapterx2.x Nematoda




1. Axclinicalxsignxthatxmayxsuggestxthexpresencexofxaxfilarialxnematodexinfectionxis:
a. Diarrhea
b. Eosinophilia
c. Jaundice
d. Microcyticxanemia

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