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WorksheetsHelminths
Total questions: 13
Worksheet time: 20mins
Parasitic worms that cause infection
protozoa
prions
fungi
helminths
Dioecious means that
the organism has both male and female reproductive parts on one animal
there are separate male and female animals
the organism decays dead organic matter
the organism is dormant
Which of the following are TRUE of helminths? (select all that apply)
they are in the protozoa kingdom
they are chemoheterotrophs
they are parasites
they have complex life/reproductive cycles
Hermaphroditic means that
there are both male and female reproductive parts on one animal
there are separate male and female animals
the organism decays dead organic matter
the organism is a parasite
In general, how are helminth infections transmitted?
arthropod vectors
healthcare acquired infections
inhalation of spores
ingestion of eggs
When Trichinella spirallis reproduces, the larvae invade the ____ and cause intense pain
the brain
the lungs
muscles
the heart
Trichinella spirallis is generally transmitted to humans via
walking barefoot
contaminated water
undercooked meat (pork or wild game)
arthropod vectors
In general, how are helminth infections diagnosed?
serum samples
presence of eggs in feces
appearance of rash
biochemical tests
A unique characteristic of this helminth is that it's larvae penetrate the skin of the feet, then the larvae travel from the blood to lungs to sputum to the intenstines.
tapeworms
pinworms
Trichinella spirallis
hookworms
Tapeworm infections are diagnosed
by sudden high blood pressure
by the presence of proglottids or eggs in feces
by intense muscle pain
examination of worms in serum
Schistosoma helminths cause organ damage and the larvae cause infection when they
are transmitted via mosquitos
penetrate human skin
ingested
inhaled
This helminth infection is associated with children and causes them to have itchy butts, which contributes to the spreading of the helminth eggs
pinworms
tapeworms
Trichinella spirallis
hookworms
What is the correct order of lifecycle of a helminth?
egg -> larvae -> adult
egg -> spore -> larvae -> adult
egg -> proglottid -> adult
proegg -> egg -> proglottid -> larvae -> adult
