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Micro Quiz 5/16
| Question | Answer |
|---|---|
| What are diptheroids? | Non- pathogenic Corynebacterium |
| Where are diptheroids normal flora? | Skin, respiratory tract, vagina, soil, water |
| What is the characteristic lesion of C. diphtheriae? | pseudomembrane- gray leathery web |
| What diseases does the DPT or DTaP immunize against? | A. Dipthera B. Tetnus c.Pertusis |
| What is the gram stain of Bacillus? | Gram pos bacilli with spores |
| Is Bacillus an aerobic or anaerobic genus? | Aerobic |
| What is the characteristic lesion of anaerobic infections? | Necrosis- dead tissue |
| Which specimens are likely to contain clinically significant anaerobes? | a sample aspirated with needle and syringe or pus from a deep wound with a foul odor. |
| Which specimens are unacceptable for anaerobic culture? | A. Swabs from surface wounds B. Coughed up sputum and stomach contents |
| What is the gram stain of Clostridium? | Gram Pos Bacilli with Spores |
| Are Clostridium aerobic or anaerobic organisms? | anaerobic |
| Where are Clostridium normally found? | Soil, dust, water, intestines of humans and animals |
| What does Cl. tetani cause? | Lock jaw/ tetanus neurotoxin causes painful muscle spasms |
| What are the characteristics of a wound likely to become infected by Cl. tetani? | A. Deep puncture B. Spores or dirt in wound C. Dead Tissue |
| What does Cl. perfringens cause? | ganggrene causes swelling and tissue death, the organisms firments muscle sugars, produces gas and tears tissues apart |
| What does Cl. difficle cause? | botchulism |
| What is the Gram stain of Neisseria? | Gram negative diplococci |
| Where are Neisseria species normal flora? | Throat, sputum |
| What does a direct smear of urethral discharge that is positive for gonorrhea look like? | positive smear- intracellular gram negative diplococci |
| Modified Thayer Martin agar is designed to facilitate the recovery of which organisms? | A,gonococcus B. Meningococcus |
| What does MTM use to select organisms? | Antibiotics- to prevent overgrowth by organisms often found in specimens |
| How should MTM media be inoculated? | In a Z |
| What must Neisseria have in the atmosphere to grow? | CO2 |
| Give the name and a description of the disease caused by N. gonorrhoeae? | Gonorrhea- STD/STI with purulent discharge most common specimen- cervix in women and urethra in men |
| How is gonorrheal conjuctivitis in newborns prevented? | Crede Method- eyes of newborn are rinsed with 1% silver nitrate |
| Give the name and a description of the disease caused by N. meningitis? | Causes epidemic meningitis-purulent inflammation of the meninges |
| ` |
Created by:
lecopple1
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