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Med Micro Stack 1
Medical Micro Lab at FSC Lab Test 1
| Question | Answer |
|---|---|
| pure culture | single separated colony, typically isolated from a mixed culture |
| mixed culture | multiple colonies on one plate |
| colony morphology | characteristics of a colony |
| characteristics of a colony | color, density, consistency, surface texture, shape and size |
| basophilic | bacterial staining, cell and structures stain with basic dye |
| acidophilic | bacterial staining, cell and structures that stain with acidic dye |
| Bacterial Shapes | spherical, rod, spiraled |
| Gram + color | crystal violet |
| Gram - color | safranin |
| Gram Stain | one of the most useful tools in the microbiology lab, depends on presence of an intact cell wall |
| Capsule | exterior capsule composed of carbohydrates and glycoproteins; do not retain staining agents |
| Flagella | tiny hair like organelles of locomotion |
| Endospores | condensation of viral cellular components within a thick double layer cell wall |
| Terminal Endospores | at the end of the vegetative cell |
| Subterminal Endospores | near but not at the end of the cell |
| Central Endospores | middle of the cell |
| Disinfectants | chemical antimicrobial agents that are useful for destroying pathogenic microorganisms in the environment |
| Antiseptics | chemical antimicrobial agents that are useful for destroying pathogenic microorganisms on the skin |
| Antibiotics | chemical antimicrobial agents that are useful for destroying pathogenic microorganisms in the patient; administered for treatment of infectious disease |
| Production of Antibiotics | naturally produced by microorganisms or synthetically produced in the lab |
| Moist Heat | coagulates microbial proteins (including protein enzymes) inactivating them irreversibly |
| Dry Heat | protein structures more stable; temperature must be much higher and maintained longer |
| Thermal Death Point | lowest temperature required to sterilize a standard pure culture of bacteria with in a given time (usually 10 minutes) |
| Thermal Death Time | time required to sterilize the culture at a stated temperature |
| Laboratory diagnosis of infectious disease begins with: | collection of a clinical specimen for examination and culture |
| Specimen Must | be the right one, collected at the right time, transported in right way, sent to the right lab |
| sings of growth in liquid medium | color, colonies, opacity, sediment |
| Bacterial Colony | a group or cluster of bacteria derived from one common bacteria |
| streaking and isolating colonies | dilutes sample so individual colonies can be seen |
Created by:
kallenpoole
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