4.1 Microbiology Flashcards
Microbiology
Study of small living organisms called microbes (bacteria)
Bacteria
One-felled microorganisms; sometimes called germs or microbes
Two types of bacteria
Nonpathogenic and pathogenic
Nonpathogenic
Non-disease producing bacteria
Can be very beneficial
Include saprophytes
70% of all bacteria
Pathogenic
Disease-producing bacteria
Diplodocus
Grow in pairs and can cause pneumonia
Bacilli
Most common form of bacteria cells
Streptococci
Pus-forming cells that form long chains; cause of strep throat
Staphylococci
Pus-forming cells that form bunches; found in boils
Spirilla
Spiral-shaped cells that cause syphilis, cholera and Lyme disease
List 4 familiar conditions caused by viruses
Cold
Measles
Hepatitis
HIV
Which of the following viruses affects the liver
HBV
What organisms live on or obtain their nutrients from another organism
External parasites
Which class of infection is located in a small confined area
Local
The type of infection that occurs when the circulatory system carries bacteria and toxins to all parts of the body is called _______
General