1. Don’t forget your project is due to me friday

2. 3/1 1. journal number 2 2. Parasitic roundworm notes 3
3/1 1. journal number 2 2. Parasitic roundworm notes 3.Parasite Article with questions

3. Unit 3B JOURNAL #2
Compare and contrast roundworms & flatworms. Include 2 similarities and 3 differences. Use a Venn diagram.

4. Phylum Nematoda
Parasitic Roundworms

5. Ascaris
Vector/mode of transmission- Ingesting eggs from unwashed hands or contaminated vegetables
Symptoms- coughing, wheezing, vomiting, stomach pain, bloody sputum
Disease- Ascariasis infection
Miscellaneous- largest intestinal roundworm, most common in world, usually seen in pigs

7. Pinworm
Vector/mode of transmission- Ingesting eggs from unwashed hands or contaminated vegetables
Symptoms- severe anal itching- when scratched can cause reinfection
Disease- pinworm infection
Miscellaneous- most common in US, females detect slowed body systems at night and come out to lay eggs around opening to anus, seen in kids

9. Hookworm Vector/mode of transmission- walking in infected soil
Symptoms- anemic, tired a lot, hookworm tracts under skin
Disease- hookworm infection
Miscellaneous- feed on blood & tissue, common in Southeastern U.S.

11. Trichina
Vector/mode of transmission- eating infected meat (usually pork) Symptoms- diarrhea, cramps, muscle pain & tenderness Disease- Trichinosis Miscellaneous- Adults breed in intestine larva hatch in intestine, burrow into skeletal muscle, creating painful cysts.

13. Filarial Worms
Vector/mode of transmission- infected mosquitoes Symptoms-swelling of lymph vessels causes swelling of lower extremeties Disease- Elephantiasis Miscellaneous- no cure, takes many years to develop, occurs mostly in tropics, can lead to secondary infections, filarial worms in U.S. cause heartworms in dogs

14. Guinea Worm
Vector/mode of transmission- infected Cyclops in contaminated drinking water Symptoms- worm grows under skin & head creates a painful, burning ulcer Disease- Guinea Worm infection Miscellaneous- female reaches 3 ft, common in tropics, worm must be wound out of skin with stick, if worm breaks can cause secondary infections

15. Match the disease to its characteristic:
Pinworm D. Trichina worm
Guinea worm E. Filarial worm
Hookworm
Contracted by eating infected pork
Causes swelling of lower limbs
Causes anal itching
Can be 3ft and grows under skin
Enters skin between soft skin btwn toes