Helminths

Parasitic worms that cause infection

• protozoa

• prions

• fungi

• helminths

Tags

NGSS.MS-LS2-4

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