MIC 541-Exam 5-Parisitology 9

How is Cryptosporidium parvum removed from water?
- Filtration
- RESISTANT TO CHEMICALS
Can you kill Cryptosporidium parvum with chemical water treatments?

No
How are Helminths divided into groups?

By body shape
What are the three groups of Helminths?
- Nematodes
- Cestodes
- Trematodes
What are nematodes?

Roundworms
What are Cestodes?

Tapeworms
What are Trematodes?

Leaf shaped flatworms
What part of the body is infected by Trematodes?

The bronchial tree
What part of the body is infected by Cestodes?

Chest
What part of the body is infected by Nematodes?

Knee
What Helminths infects the knee?

Nematodes
What Helminths infects the Chest?

Cestodes
What Helminths infects the Bronchial tree?

Trematodes
What is the body wall of a Helminth covered in?

Cuticle
How is nutrition met by Helminths?

Met by active ingestion of host tissue/fluids
What is the mouth-like organ of Helminths used for?

Attachment
What are the physical characteristics of Helminths?
- Mouth-like structure
- Body cuticle
- Large (can be 25 meters)
- differentiated organs
What immune defenses do Helminths have?
- Secrete immune damaging enzymes
- Alter antigenic properties
How many offspring can some worms produce in a day?

Up to 200,000
What is the only group of Helminths to have opposite sexes?

Nematodes
What group of Helminths are cylindrical or spindle shaped?

Nematodes
How do most Nematodes reproduce?

By laying eggs
What is the shape of the digestive tract in nematodes?

Tubular

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kyleannkelsey

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Card Set

MIC 541-Exam 5-Parisitology 9

Description

MIC 541-Exam 5-Parisitology 9

Updated

2013-05-07T21:11:00Z

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