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10 Cards in this Set
- Front
- Back
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Pathogen |
Disease producing microorganisms. |
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Virulence |
Capable of causing serious disease. |
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Major groups of microorganisms |
Bacteria- Gram positive/ negative- bacteria that are stained by dye is gram positive. Bacteria that has no stain is gram negative. Shapes Spherical( cocci)- produced by dividing into two. Rod (bacill)- rod ahaped, i.e. tuberculosis. Spiral (spirochetes)- spiral shaped with flexible walls and are capable of movement. Aerobe/anerobe- aerobe is bacteria that requires oxygen. Anerobe does not. Capsuels- serves as a protective layer that covers the cell wall. Spores- bacteria that remains alive in a store but remain inactive. Algae- contaminated chlorophyll as well as pigments to appear yellow green, brown and red. Protozoa- consists of a large group of one celled organisms that do not have a rigid cell wall. Fungi- organisms such as mushrooms yeasts and moulds that lack chlorophyll. Prions- small proteinaceous infections particles. Proteins that lack nucleic acid. Viruses- are smaller than bacteria. Many cause fatal disease. |
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Hepatitis |
Type A- anyone, person to person through putting something in mouth that has been contaminated from school of another person with hepatitis A. Type B- is a prolonged illness that can cause liver cancer, cirrhosis of the liver , liver failure and death. Is transferred by body fluids. Type C- transferred by blood transfusion or dirty needles. Treatments are available to control the effects. Type D- you have to have hepatitis B to get hepatitis D. Type E- it is from the fecal oral route. And it is mostly in developing countries. |
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HIV |
It is a blood borne disease. It breaks down the immune system. It is a sexually transmitted disease. |
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Herpes virus |
A double-stranded DNA virus that causes herpes chicken pox and measles. Type 1- infection that causes reoccurence sores on lips aka cold sore. Type 2- genital herpes. It is the most common STD. Once infected outbreaks will reoccur. Herpes zoster- causes both varicella aka chicken pox and zoster aka shingles. Cytomegalovirus- can affect fetus during pregnancy. Epstein barr- responsible for mono and lymphoma. |
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Severe acute respiratory virus |
H1N1 (swime flu)- respiratory disease. Spreads rapidly from person to person. |
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Tuberculosis |
The leading cause of death from infectious diseases worldwide. HIV and TB often occur together. |
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Legionnaire's |
It's transmitted through aerosolization, and aspiration of contaminated water |
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Tetanus |
It is dangerous and fatal disease. Is caused by spore forming bacillus found in soil, dust, or animal or human feces. It is introduced through a wound or break in the skin. |
