micro biology test 4
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Created by:
MattDuckworth on April 9, 2012
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63 terms
Terms | Definitions |
|---|---|
 Greek word staphyle means | Bunch of grapes |
| Genera staphylococcus belongs to | Pyogenic |
| Pyogene | Producer of pus |
| Two genera of staphylococcus | Streptococcus, neisseria |
| Halophilic | Salt lover |
| Sodium chloride concentrations staphloccus can survive in | 7.5%-20.2% |
| Staphylococcus aureus minor infections | Pimples and boils, wounds, impetigo, lesions, sore throats |
| Streptococcus viridians | Mainly habitants of the respiratory tract. Not usually Pathogenic. Leading cause of bacterial endocarditis |
| Streptococcus lactia | Characterized by variable Hemolysis. Has commerical value as this organism can be found in milk and milk products |
| Streptococcus pneumonia appears as | Gram (+), in pairs, singly, or in short chains |
| Streptococcus pneumonia | When this organism grows to such a large proportion in the lungs, the patient can actually drown from the production of too much liquid in their lungs. |
| Neisseria | Gram (+) occurring in pairs or singularly with the appearance of a coffe bean. |
| Neisseria gonorrhea street names | Drip, strain, clap, dose/puse, nail |
| Neisseria gonorrhea are | Non-motile, non-sporulating organisms. |
| Fomite | Any substance that absorbs and transmits infectious material |
| Neisseria grows well on | Modified thayer-martin (mtm) |
| Bacillus anthracis | Chief human pathogen; seldom seen in the average hospital or lab. |
| Koch | First to demonstrate anthrax as a specific organism |
| Pastereur | Founded the first bacterial vaccine for an infectious disease |
| Anthrax is also known as | Ragpickers diease |
| Cutaneous anthrax | Most common form seen in the us. Goes from lesions to papule necrotic ulcer. |
| Pulmonary anthrax | Affects the lungs and pleura. runs a rapid course and ends in fatality |
| Clostridium | All are motile by means of peritrichous flagella with the exception of c perfingens |
| 3 types of clostridium | c tetani, c perfingens, c botulinum |
| Clostridium perfringens | Usually boxcar shaped Usually produces a double zone of beta hemolysis |
| Clostridium botulinum type A | Most potent toxin kown to man |
| Corynebacterium | Resemble Chinese letters and palisades, and widely distributed in nature |
| Corynebacterium is the causative agent of | Diphtheria |
| Eschericheria | Intestinal inhabitant, usually causes gastroenteritis |
| Major cause of nosocomial infections | Escherichia, klebsiella, and enterobacter |
| Typhoid | Caused by s. typhii |
| Signs of salmonella typhoid | Rose spots on abdomen |
| Food products concerned with salmonelloses | Fish, meat, fowl and eggs, and dairy products that have been improperly cooked |
| Proteus | Noted for swarming growth on media |
| 3 types of vibrio | V. cholerae, V. parahaemolyticus, V. El Tor |
| Vibrio Cholera incubation period | 2-5 days in small bowel |
| Vibrio Cholera looks like | Comma or S- shaped, can form filaments |
| Vibrio cholera can remain viable for | 7-10 days on cool moist fruits and vegetables |
| Symptoms of vibrio cholera | Rice, watery stools |
| Where Pseudomonas aeruginosa grows well | on floors, A/C vents, soaps, antiseptics; almost anywhere |
| Pseudomonas smells | Grape like odor |
| Meliodosis | Acute form of pneumonia containing multiple abscesses, with septicemia and possibly death |
| Pathogenic spirochetes | Borrelia, treponema, leptospira |
| How spirochaetaceae moves | Bundle of fibers called axial filament attached at the cell poles and wrapped around the cell in a spiral fashion |
| Serologic tests for syphilis | Non-treponemal, treponemal |
| Non treponemal | Can cause false positives in patients with other infectious diseases |
| Mycoplasmataceae | Require cholesterol for growth |
| Mycoplasma | Most significant for humans, causative agent of primary atypical pneumonia |
| Ureaplasma urealyticum | Causative of non-gonococcal urthritis in males |
| Species of chlamydia | C. trachomatis. C. Pneumonia, C. Psittaci |
| Endemic Trachomatis | A repetitive conjunctival infection ultimately leading to blindness and associated with A-C |
| Chlamydia | Estimated that 70% of woman and 50% of men are asymptomatic |
| Chlamydia psittaci | Epidemic of all bird species and human acquire it from inhalation of aerosols |
| Mycobacterium | Hard to stain due to lipids, one of the stains are Zielh neelsen |
| Mycobacterium tuberculosis | Primary site of infections is the lungs |
| Mycobacterium bovis | Pasteurization kills is |
| Rickettsia | Has all the components for reproduction except energy |
| Rickettsia Prowazeki | causes endemic typhus |
| Rickettsia rickettsii | causes rocky mountain spotted fever |
| Rapid plasma reagin test | Nontreponemal testing procedure for serological testing of syphilis |
| Reagin | Antibody-like substance present in the serum |
| RPR test materials | 18 gauge needle w/o bevel and plastic bottle |
| Qualitative procedure | Rotate card for 8mins at 100 rpm |
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