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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Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 1
, Answer Key for Chapter 1. Introduction
1. In sa sgeneral snematode sparasite’s slife scycle, sthe shost smay singest sa sfertile segg. sThis sstage sof sthe
life scycle sis sreferred sto sas sthe:
a. Definitive shost sphase
b. Diagnostic sstage
c. Infective sstage
d. Method sof sinfection
ANS: sC
RATIONALE: sThis sis sthe sstage sof sthe slife scycle sat swhich sthe sparasite sis scapable sof sentering
sand s developing swithin sthe shost. sIt s is sa srequired spart sof sthe s life scycle sof sthat s parasite.
KEY: sIntroduction: sparasite sdefinitions/life scycles s| sCognitive slevel: srecall
2. A sparasite sthat slives sinside sa shost sis sreferred sto s as sa(n):
a. Accidental sparasite
b. Ectoparasite
c. Endoparasite
d. Facultative sparasite GRADESMORE.COM
ANS: sC
RATIONALE: sEndoparasites slive sinside sthe shost. sEctoparasites slive son sthe soutside sof sthe shost.
s Facultative sparasites scan slive sas swell soutside sthe s host s as sinside sthe shost; shost s infection
susually s occurs saccidentally. sOther saccidental sparasites smay sinclude sparasites sthat s usually
sinfect sother s animals.
KEY: sIntroduction: sparasite sdefinitions/life scycles s| sCognitive slevel: srecall
3. Zoonosis sis sa sterm sused sto sdescribe shumans’ srelationship swith sa(n):
a. Accidental sparasite
b. Ectoparasite
c. Endoparasite
d. Facultative sparasite
ANS: sA
RATIONALE: sZoonosis sis san saccidental sinfection swith sa sparasite sthat susually sparasitizes
s animals. sEndoparasites slive s inside sthe shost. sEctoparasites s live soutside sthe shost. sFacultative
Leventhal: Medical Parasitology, Ed. 7 Multiple Choice Questions - Chapter 1