Parasitology Quiz questions and answers

Parasitology Quiz questions and
answers
Parasitology✔✔The study of a type of symbiotic relationship, the organisms
involved, and the host is affected.

Symbiosis/Symbiotic Relationship✔✔When two organisms live together.

Mutualism✔✔Two organisms living together and both organisms benefit.

Communalism (Commensalism)✔✔Two organisms living together where one
organism benefits while the other is unaffected.

Demodex Mite is and example of what relationship?✔✔Communalism

A bee and flower are an example of what kind of relationship?✔✔Mutualism

Parasitism✔✔Two organisms living together, where one benefits while the other is
harmed.

Internal parasites are an example of what kind of relationship?✔✔Parasitism

Host✔✔An animal that harbors another organism and provides nutrition for the
organism.

Definitive Host✔✔Host where sexual maturation occurs for the parasite and offspring
are produced and released.

Intermediate Host✔✔Insect or animal that harbors a parasite with some
development occurring for the parasite.

Paratenic Host✔✔Acts as carrier of the parasite, but no parasite development
occurs. Usually acquires parasite by ingestion of intermediate host.

Another name for a Paratenic Host✔✔Transport Host

Vector✔✔An organism, typically a biting insect or tick, that transmits a disease or
parasite from one animal or plant to another.

Endoparasite✔✔Internal parasite. Parasites that are present within the body of the
host.

Ectoparasite✔✔External parasite. Parasites that harm animal from outside the host.

Hypobiosis✔✔Prolonged or temporary arrested larval development, represents one
of the most useful of life cycle adaptations to ensure parasite adaption enables the

, parasite to synchronize its life cycle to changing environmental or survival and
appears to be widespread among parasitic nematodes.

Pre-Patent Period✔✔Period of time between when infective stage infects the host,
develops into an adult parasite in the intestines, and begins laying eggs. "Once they
eat it, how long until we can see it".

When can we see a specific diagnostic stage?✔✔When eggs are found in a fecal
sample and/or exiting adults (grossly examined).

Anthelmintic✔✔Chemical used to treat worm infections or infestations. (Pertaining to
against helminth)

Incidental Parasites✔✔Parasite that is found in a host in which it does not usually
live.

A rat carrying Toxocara Canis is considered what kinf of parasite?✔✔Incidental
Parasite

Facultative Parasite✔✔An organism that is usually free-living (non-parasitic) in
nature, but develops a parasitic existence in certain host under certain
circumstances.

An example of a Faculatative Parasite is?✔✔Demodex Mite

Obligatory Parasite✔✔A parasite that must leas a parasitic existence. Most parasites
of domestic animals are obligatory parasites.

Who is a great example of an obligatory parasite?✔✔Heartworms (Dirofilaria
Immitis)

Periodic Parasite✔✔Parasite that makes frequent short visits to its host to obtain
nourishment or other benefits.

What parasite is considered a periodic Parasite?✔✔Ticks, even Leaches

Who are most affected by parasites?✔✔Animals less than one year of age

Parasites affect what body systems?✔✔All body systems from gastrointestinal,
respiratory, cutaneous, and circulatory.

Who are the host that parasites pick? Are they specific? Do they affect the same
species?✔✔Some parasites are host specific, others will affect many species, even
humans.

How can parasites harm an animal?✔✔Injury at point of entry into host
Injury while migrating within an animal
Injury by presence within the body