Helminths

Question 1

Trematodes

Answer 1

Flukes. Schistisoma (snail fever)

Infection from contaminated water, fluke travels to liver then bladder, urinated out and contaminated water

Question 2

Nematodes

Answer 2

Roundworms. Ascaris, tricharis, hookworm, pinworms

Many methods of reproduction

Question 3

Cestodes

Answer 3

Tapeworms: Hyatadid (dog tapeworm)
Taenia (tapeworm, saginatum is beef, solanum is pork)
Eggs in soil, intermediate host eats, eggs develop into cysticerci in muscle. Definitive host eats muscle, cysticerci develop into adult tapeworms in intestines, release proglottids into soil via feces. Repeat.

Question 4

Ascaris

Answer 4

Spaghetti butt, eggs ingested, larva enter blood, travel to lungs, coughed up and swallowed, mature in intestines start all over.
Can cause asthma, pneumonia, intestinal blockage, death

Question 5

Tricharis

Answer 5

Whip worm. Cause prolapsed rectum.

Eggs in soil, ingested, mature in intestines.

Question 6

Hookworm

Answer 6

Penetrate skin, travel through blood stream to lungs, coughed up, swallowed mature in intestines

Question 7

Pinworm

Answer 7

Enter mouth from fecal material travel to anus, cause severe itching. Scratch anus get worm on finger, reinfect.