Parasitology Exam 1- Lecture Questions And
Answers
The parasite host in which the reproductive phase of parasite development occurs is called the:
a. obligatory host.
b. definitive host.
c. intermediate host.
d. reservoir host. b. definitive host.
The purpose of a parasite infection of a host is to:
a. cause disease in or kill the host.
b. use the host as a food source.
c. continue the parasite's life cycle.
d. damage the host's immune system. c. continue the parasite's life cycle.
Which of the following is an example of a parasite defense mechanism against the host's immune
system?
, Parasitology Exam 1- Lecture Questions And
Answers
a. Releasing invasive enzymes
b. Altering their antigenic makeup
c. Hiding inside cells or tissues
d. Releasing toxic factors b. Altering their antigenic makeup
Recent developments in testing methods for detection and identification of parasites include:
a. formalin-ethyl acetate concentrations.
b. PCR.
c. zinc sulfate flotation.
d. thick blood smears. b. PCR.
A physician suspects that a patient has a tapeworm and orders a rapid stool screen or direct
antigen test. What action should the laboratory take?
a. Reject the order and discard the specimen
b. Reject the order and discard the specimen
c. Perform the test as requested
Answers
The parasite host in which the reproductive phase of parasite development occurs is called the:
a. obligatory host.
b. definitive host.
c. intermediate host.
d. reservoir host. b. definitive host.
The purpose of a parasite infection of a host is to:
a. cause disease in or kill the host.
b. use the host as a food source.
c. continue the parasite's life cycle.
d. damage the host's immune system. c. continue the parasite's life cycle.
Which of the following is an example of a parasite defense mechanism against the host's immune
system?
, Parasitology Exam 1- Lecture Questions And
Answers
a. Releasing invasive enzymes
b. Altering their antigenic makeup
c. Hiding inside cells or tissues
d. Releasing toxic factors b. Altering their antigenic makeup
Recent developments in testing methods for detection and identification of parasites include:
a. formalin-ethyl acetate concentrations.
b. PCR.
c. zinc sulfate flotation.
d. thick blood smears. b. PCR.
A physician suspects that a patient has a tapeworm and orders a rapid stool screen or direct
antigen test. What action should the laboratory take?
a. Reject the order and discard the specimen
b. Reject the order and discard the specimen
c. Perform the test as requested
