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- 1.What types of damage to human tissues can result from prolonged exposures to UV radiation? What protective measures can be taken to limit these types of damage, both during the experiment and in everyday life? 2.Which B. megaterium culture, logarithmic or stationary phase, would show the best survival following exposure to UV radiation?OOOOOP All of the following are true about gas gangrene EXCEPT: Caused by the anaerobic bacterium Clostridium perfringens The etiologic agent stays confined to the site of initial infection and does not damage or invade other tissues Infection is caused by endospores from the soil or other environmental sources Begins with interruption of blood supply to tissue, causing cell death The etiologic agent ferments carbohydrates, producing CO2 and H21. Hypothetically, could TeNT & BoNT counteract each other's effects? Why? 2. What clues / symptoms are considered as possible anaerobic infections? 3. What is the general principle of the treatment of anaerobic infections?
- Paragraph Styles F A worker spends 16 hours per week for 10 weeks in an area with 1.2 WL of radon daughters. a) What is the dose to the worker's lungs? b) What fraction of the annual limit has the worker been exposed to? P O 171Personnel handling cytotoxic agents may be exposed by the following methods EXCEPT: Select one: O a. Ingestion O b. O C. O d. Absorption Intravenously Inhalation7. If a patient normally has a 12 g/dL Hb, cyanosis will likely appear when A. 10 g/dL Hb is saturated with oxygen B. 9 g/dL Hb is saturated with oxygen C. 8 g/dL Hb is saturated with oxygen D. 7 g/dL Hb is saturated with oxygen
- Metabolic alkalosis can develop from 1. Hyperchloremia 2. Hypokalemia 3. Hypochloremia 4. Hyperkalemia A. 1 only B. 4 only C. 1 and 3 only D. 2 and 3 onlyMatch the terminology correctly with the definition in the table below (eg A=1). TERMINOLOGY DEFINITION A. Aerosol 1. Disease caused by pathogen transfer B. Airborne infection 2. Process to kill or remove pathogenic microorganism (not spores) C. Asepsis 3. Organism capable of multiplication D. Decontamination 4. Process to kill/remove all microorganisms including spores and viruses E. Pathogen 5. Thick-walled resting cells formed by Gram+ organisms F. Infection 6. Organism able to cause disease in a host G. Disinfection 7. Suspension in air of finely dispersed solids or liquids H. Viable microorganisms 8. Caused by inhaling airborne material carrying microbial contaminants I. Sterilization 9. Prevention of microbial contamination J. Spores (bacterial) 10. Disinfection or sterilization of contaminated articlesPART C 1. An outbreak of botulism associated with home-canned chili peppers killed x members of one family. Would a standard plate count have detected the etiologic agent in the canned chili peppers? Explain. 2. What are the possible problems or limitations of the standard plating techniques when used for the examination of hamburgers?
- pathophysiology Which clinical condition is associated with anabolism? give scientific rational A.Stress B.Starvation C.Healing D.FeverD Question 37 Based on the data below, how much more UV resistant was B. licheniformis relative to S. aureus? (All controls had growth.) - covered with lid Organisms Exposure 20 sec Staphylococcus aureus 5 sec + 20 sec Bacillus licheniformis + 10 sec 80 sec times to UV light 40 sec 2.5 min 160sec 5 min 10 min 5 min 20 min 10 min 40 min 10 min + 40 min10) If a person breaths air which is contaminated with a radionuclide at a concentration equal to 1 MPC for 40 hours a week, 50 weeks a year for 50 years, would they exceed the ICRP 2 recommended dose limits? Briefly just ify your answer.
