Leventhal Test Bank
,Chapter51.55Introduction
1. In5a5general5nematode5parasite’s5life5cycle,5the5host5may5ingest5a5fertile5egg.5This5stage5of5the
life5cycle5is5referred5to5as5the:
a. Definitive5host5phase
b. Diagnostic5stage
c. Infective5stage
d. Method5of5infection
2. A5parasite5that5lives5inside5a5host5is5referred5to5as5a(n):
a. Accidental5parasite
b. Ectoparasite
c. Endoparasite
d. Facultative5parasite
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3. Zoonosis5is5a5term5used5to5describe5humans’5relationship5with5a(n):
a. Accidental5parasite
b. Ectoparasite
c. Endoparasite
d. Facultative5parasite
4. An5animal5that5harbors5a5parasite5that5can5also5infect5humans5is5referred5to5as5a(n):
a. Definitive5host
b. Intermediate5host
c. Reservoir5host
d. Transport5host
5. The5host5in5which5the5parasite5reaches5sexual5or5reproductive5maturity5is5referred5to5as5a(n):
a. Definitive5host
b. Intermediate5host
Leventhal:5Medical5Parasitology,5Ed.57 Multiple5Choice5Questions5-5Chapter51
,c. Reservoir5host
d. Transport5host
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Leventhal:5Medical5Parasitology,5Ed.57 Multiple5Choice5Questions5-5Chapter51
, Answer5Key5for5Chapter51.55Introduction
1. In5a5general5nematode5parasite’s5life5cycle,5the5host5may5ingest5a5fertile5egg.5This5stage5of5the
life5cycle5is5referred5to5as5the:
a. Definitive5host5phase
b. Diagnostic5stage
c. Infective5stage
d. Method5of5infection
ANS:5C
RATIONALE:5This5is5the5stage5of5the5life5cycle5at5which5the5parasite5is5capable5of5entering5and5 dev
eloping5within5the5host.5It5is5a5required5part5of5the5life5cycle5of5that5parasite.
KEY:5Introduction:5parasite5definitions/life5cycles5|5Cognitive5level:5recall
2. A5parasite5that5lives5inside5a5host5is5referred5to5as5a(n):
a. Accidental5parasite
b. Ectoparasite
c. Endoparasite
d. Facultative5parasite GRADESMORE.COM
ANS:5C
RATIONALE:5Endoparasites5live5inside5the5host.5Ectoparasites5live5on5the5outside5of5the5host.5 Facult
ative5parasites5can5live5as5well5outside5the5host5as5inside5the5host;5host5infection5usually5 occurs5acci
dentally.5Other5accidental5parasites5may5include5parasites5that5usually5infect5other5 animals.
KEY:5Introduction:5parasite5definitions/life5cycles5|5Cognitive5level:5recall
3. Zoonosis5is5a5term5used5to5describe5humans’5relationship5with5a(n):
a. Accidental5parasite
b. Ectoparasite
c. Endoparasite
d. Facultative5parasite
ANS:5A
RATIONALE:5Zoonosis5is5an5accidental5infection5with5a5parasite5that5usually5parasitizes5 animals.5En
doparasites5live5inside5the5host.5Ectoparasites5live5outside5the5host.5Facultative
Leventhal:5Medical5Parasitology,5Ed.57 Multiple5Choice5Questions5-5Chapter51