1) Immune response to something the host was exposed to.
Possible correct answers:
Sensitization
2) Kill insects.
Possible correct answers:
Insecticides
3) Arachnids have 8 legs as adults and have an unsegmented body.
A. True
B. False
4) The parasite is completely dependent on the host for survival but not capable of living on
its' own.
Possible correct answers:
Obligate
5) These include superficial fungi and ringworm.
Possible correct answers:
Dermatophytes
6) The parasite uses a host other than the human host.
Possible correct answers:
Incidental
Accidental
7) Parasite that is capable of causing damage but the animals show no sign of the disease.
Possible correct answers:
Parasitiasis
8) Phylum that includes maggots and bots.
Possible correct answers:
Arthropoda
9) Lives within the host.
Possible correct answers:
Endoparasite
10) Type of damage from parasite that may not be caused from the contact itself from the
parasite but may include prolonged bleeding from an anticoagulant the parasite produces,
nutrient competition, mechanical interference, etc.
Possible correct answers:
Indirect
11) What is the success of a parasite measured by?
A. The disturbance that it causes.
B. If it kills the host.
C. The ability to adapt and integrate itself to a hosts environment.
12) An overreaction
Possible correct answers:
Anaphylaxis
13) An unsegmented body.
Possible correct answers:
Idiosoma
14) A poison that in general is more toxic to the parasite than the host.
Possible correct answers:
Parasiticide
15) Generally the final host- one which the parasite is best adapted to and adult, sexual, or
mature stages exist here.
Possible correct answers:
Definative
16) What are the divisions of taxonomy in order?
A. Kingdom, Phlyum, Genus, Species, Class
B. Kingdom, Phylum, Class, Order, Family, Genus, Species
C. Kingdom, Class, Order, Phylum, Genus, Family, Species
17) Lives outside of the host (on the body surface).
Possible correct answers:
Ectoparasite
18) Type of damage caused by parasite to cause behavioral problems such as worry and
avoidance.
Possible correct answers:
Direct
19) A kind of intermediate host used for transportation only and is not necessary for
development.
Possible correct answers:
Paratenic
20) Has a broad host range.
Possible correct answers:
Euryxenous
21) Will infect only one type of host (species specific).
Possible correct answers:
Homoxenous
Monoxenous
22) FAD
Possible correct answers:
Flea allergy dermatitis
23) Parasite is present and causes obvious damage.
Possible correct answers:
Parasitosis
24) Who came up with the Linnean Classification Scheme for taxonomy?
Possible correct answers:
Carl Linnaeus
25) Phylum that includes thorny headed worms.
Possible correct answers:
Acanthocephala
26) A vertebrate host that caries the parasite in nature and is a source of infection/disease for
humans and or animals.
Possible correct answers:
Reservoir
27) Destructive to worms.
Possible correct answers:
Antihelmintics
Anthelmintics
28) Phylum that includes roundworms.
Possible correct answers:
Nematoda
29) Single celled organisms.
Possible correct answers:
Protozoan
Protozoans
30) Tapeworms, segmented bodies that are flat, ova contained within the segments.
Possible correct answers:
Cestodes
31) Roundworms- round, unsegmented bodies, can be found in any body tissue and causes
cutaneous larval migrans.
Possible correct answers:
Nematodes
32) Immune response to parasites that are present helps to prevent further infection.
Possible correct answers:
Premunition
33) Arthropods include insects and arachnids
A. True
B. False
34) Fluke type worms with unsegmented bodies that are leaflike in appearance.
Possible correct answers:
Trematodes
35) A smaller organism that lives on or in another organism at whose expense (the host) it
takes advantage.
Possible correct answers:
Parasite
36) A parasite that carries a pathogen
Possible correct answers:
Vector
37) Phylum that includes flukes and tapes.
Possible correct answers:
Platyhelminthes
38) The host necessary for development but not for reproduction.
Possible correct answers:
Intermediate
39) Work against protozoans.
Possible correct answers:
Antiprotozoals
40) May be parasitic on an organism but can live on it's own in a non parasitic form.
Possible correct answers:
Facultative
41) Uncommon, unrelated to nematodes, aka thorny headed worms.
Possible correct answers:
Acanthocephalans
42) One in or on which sexual reproduction occurs.
Possible correct answers:
Final
43) Has gone to another site other than its' normal site of infection. i.e. gone from the intestine
to the liver.(go where they don't belong)
Possible correct answers:
Aberrant
Erratic
44) What is important to remember about the genus and species of an organism?
A. First letter of Genus is capitalized, species in lowercase.
B. Both are underlined.
C. Both A and B are correct
45) Only stays with the host for short times. i.e. mosquitoes, ticks.
Possible correct answers:
Periodic
Multiple Choice Questions (MCQ):
Microbiology: Parasitology
1. Which of the following agent is used to prevent Malaria
a. Mebendazole
b. Chloroquine
c. Inactivated vaccine
d. Zinc table
2. Each of the following statements concerning Ascaris
lumbricoides is correct except:
a. Ascaris lumbricoides is one of the largest nematode
b. Ascaris lumbricoides can cause pneumonia
c. Both dogs and cats are intermediate host of Ascaris lumbricoides
d. A lumbricoides is transmitted by ingestion of eggs
3. Each of the following statements concerning kala-azar is correct
except:
a. Kala-azar is caused by Leishmania donovani
b. kala-azar is transmitted by the bite of sandflies
c. Kala-azar occurs primarily in rural latin America
d. Kala-azar can be diagnosed by finding amastigotes in bone marrow
4. Each of the following statements concerning hookworm infection is
correct except:
a. Hookworm infection can cause pneumonia
b. Hookworm infection is acquired by humans when filariform larvae
penetrate the skin
c. Hookworm infection is caused by Necator americanus
d. Hookworm infection can be diagnosed by finding the trophozoite in the
stool
5. Each of the following statements concerning Trichomonas vaginalis is
correct except:
a. T. vaginalis is transmitted sexually
b. T. vaginalis can be diagnosed by visualizing the trophozoite
c. T. vaginalis can be treated effectively with metronidazole
d. T. vaginalis causes bloody diarrhea
6. Each of the following statements concerning Giardia lamblia is correct
except:
a. G. lamblia has both a trophozoite and cyst stage in its life cycle
b. G. lamblia is transmitted by the fecal oral route from both human and
animal sources
c. G. lamblia causes hemolytic anemia
d. G. lamblia can be diagnosed by the string test
7. Each of the following statements concerning Malaria is correct except
a. The female anopheles mosquito is the vector
b. Early infection, sporozoites enter hepatocytes
c. Release of merozoites from red blood cells cause fever and chills
d. The principal site of gametocyte formation is the human
gastrointestinal tract.
8. Each of the following parasite is transmitted by mosquitoes except:
a. Leishmania donovani
b. Wuchereria bancrofti
c. Plasmodium vivax
d. Plasmodium falciparum
9. Pigs or dogs are the source of human infection by each of the following
parasites except:
a. Echinococcus granulosus
b. Taenia solium
c. Ascaris lumbricoides
d. Trichinella spiralis
10. In malaria, the form of plasmodia that is transmitted from mosquito to
human is the
a. Sporozoite
b. Gametocyte
c. Merozoite
d. Hypnozoite
Answer Keys
1. b ( Chloroquine)
2. c (Incorrect statement is: Both dogs and cats are intermediate host
of Ascaris lumbricoides)
3. c (Incorrect statement is: Kala-azar occurs primarily in rural latin America)
4. d (Incorrect statement is: Hookworm infection can be diagnosed by
finding the trophozoite in the stool)
5. d (Incorrect statement is: T. vaginalis causes bloody diarrhea)
6. c (Incorrect statement is: G. lamblia causes hemolytic anemia)
7.d (Incorrect statement is: The principal site of gametocyte formation is
the human gastrointestinal tract).
8.a (Leishmania donovani). Leishmania donovani is transmitted by the bite of
infected female phlebotomine sandflies
9.c (Ascaris lumbricoides)
10. a (Sporozoite)
Chapter 12
Multiple Choice Questions – Answers
1. Identify the correct definition of the term parasite:
A A micro-organism that invades host cells and replicates inside them
B An organism that lives in or on another living body to benefit the host
C An organism that lives in or on another living body to benefit itself [True]
The correct answer is C. A parasite is an organism that lives in or on another living body
to benefit itself.
2. Identify the correct definition of the term endoparasite:
A Lives on the surface of the host organism
B Lives in the body cavities of the host organism [True]
The correct answer is B. An endoparasite lives in the body cavities of the host organism.
Examples include roundworms, tapeworms and lungworms.
3. Identify the correct definition of the term ectoparasite:
A Lives on the surface of the host organism [True]
B Lives in the body cavities of the host organism
The correct answer is A. An ectoparasite lives on the body surface of the host organism.
Examples include fleas, mites, lice and ticks.
4. The term for a product used to eliminate endoparasites is:
A Vaccination
B Antibiotic
C Fomite
D Anthelmintic [True]
The correct answer is D. An anthelmintic is the technical term used to describe the
type of product used to eliminate endoparasites from the body. May also be called a
wormer.
5. The term for the animal that a parasite lives on/in is:
A Fomite
B Micro-organism
C Host [True]
D Vector
The correct answer is C. The animal that the parasite lives on/in is called the host
organism.
6. Identify which of the listed parasites is not an ectoparasite:
A Roundworm [True]
B Cheyletiella mites
C Fleas
D Ticks
The correct answer is A. Roundworms are endoparasites not ectoparasite.
7. Identify which of the listed parasites is not an endoparasite:
A Lungworm
B Tapeworm
C Demodex mites [True]
D Roundworm
The correct answer is C. Demodex mites are ectoparasites not endoparasites.
