Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
35 Cards in this Set
- Front
- Back
|
Pathogens |
Disease causing microorganisms |
|
|
What is the measurement of micron |
1/25,000 of an inch or 1/1000 of a milimeter |
|
|
How big are bacterias |
Between 1 to 2 microns |
|
|
What is the most comon way to identify and classify bateria |
By shape , color change and need for oxygen |
|
|
Endospores |
Microorganisms capable of forming a thick wall around themselves enabling them to survive in adverse conditions. A resistant form of bacterium |
|
|
Psychrophile |
Bacteria that likes cold temperatures between 59° to 68° F |
|
|
Mesophiles |
Bacteria most pathogenic to humans due to moderate temperatures 68°F to 113°F |
|
|
Thermophiles |
Like warm temperatures of 122° to 158°F |
|
|
pH |
Measures of alkalinity or acidity on a scale of 0 to 14; pH of 7 is neutral. pH below 7 is acidic and pH above 7 is alkaline |
|
|
What pH levels are blood |
7 to 7.8 |
|
|
Binary fission |
bacterial reproduction in which a cell divides into two equal parts |
|
|
Angstrom |
A unit used to measure the length of light waves |
|
|
Protozoa |
Single cell animal organism That vary widely in size and shape and contains no cell walls |
|
|
Prions |
Are abnormal, infectious protein particle |
|
|
Anaerobic |
Bacteria that can live in the absence of air |
|
|
Aerobic |
Require the presence of air or free oxygen |
|
|
3 common shapes of bacteria |
•Spherical/circle shape known as coccus •Rod/brick shape know as bacillus Spiral shape know as spirilla |
|
|
The 2 most common processes designed to classify bacteria by color change are the |
Gram stain and acid fast |
|
|
What is gram staining |
Multi step process using several stains and rinses |
|
|
How to identify negative gram bacteria |
Has an outer membrane that will not retain purple stain but they will stain pink |
|
|
How to identify gram positive bacteria |
Has no outer membrane and will retain the purple stain even if a decolorizer is used |
|
|
Vegetative States |
A state of active growth. Sunlight is lethal to it while in vegetative state |
|
|
What is the most lethal light |
Ultra Violet light in the range of 2537 Angstrom |
|
|
True or false viruses are the smallest microrrganism and are about a 1000 times smaller than bacteria |
True |
|
|
How many patients lead to healthcare associated infections per year |
722,000 |
|
|
Creutzfeldt-jacobs disease |
Is a specific type of prion disease |
|
|
Gram negative bacteria |
Pseudonomas aeruginosa (UTI), escherichia coli (E. coli), salmonella, and klebsiella |
|
|
Gram positive bacteria |
Staphylococcus, bacillus anthracis, clostridium |
|
|
Methicillin resistant staphylococcus aureus (MRSA) |
Lives on skin and is known for causing severe infections especially on the skin |
|
|
Vancomycin resistant enterococci (VRE) |
Lives in bowels, this bacteria is transmitted when hands become contaminated from feces, urine or blood that is infected |
|
|
Vancomycin resistant streptococcus pneumoniae |
Live in nose or pharynx, this bacteria causes pneumonia |
|
|
Klebsiella |
This bacteria Found on the hands and in the intestinal track, causes pneumonia, nasal infections, urinary track but urinary tract, wound and bloodstream infections |
|
|
Acinetobacter |
Is found normally in soil is bacteria material can cause pneumonia to serious blood or wound infection and symptoms vary depending on the disease |
|
|
Water bug |
Pseudomonas aeruginosa |
|
|
Vegetative structure of fungus |
Thallus |
