Microbiology Test 4 Review PDF

Microbiology Test 4 Review 1. What is inoculating dose related to? Ans: Number of Organisms 2. Which stage of infectious disease includes early symptoms and “just not feeling well”? Ans: Prodomal 3. Which physical method are the organisms rapidly frozen and dehydrated? Ans: Lyophilizati...

Microbiology Test 4 Review 1. What is inoculating dose related to? Ans: Number of Organisms 2. Which stage of infectious disease includes early symptoms and “just not feeling well”? Ans: Prodomal 3. Which physical method are the organisms rapidly frozen and dehydrated? Ans: Lyophilization 4. Which term applies to the complete destruction of living organisms including spores & viruses? Ans: Sterilization 5. Which category sees a patient in a private room with negative air pressure &HEPA filter? Ans: Airborne precautions 6. Which type of disease is constantly present in the community? Ans: Endemic 7. What is the recommended concentration of phenol used for disinfection of a TB Lab? Ans: 5% 8. What term applies to the reduction of microbial population to a safe level? Ans: Sanitization 9. Which stage of infectious disease includes the decline of microorganisms and recovery period? Ans: Convalescent 10. What best describes an infection that runs a slow course over a long time period? Ans: Chronic infection 11. Which term applies to the removal of pathogens from non living objects? Ans: Disinfection 12. Exotoxins are chemically made of: Ans: Protein 13. Which physical method provides protection from contaminated aerosols? Ans: Filtration 14. Which materials are involved in a slow exhaust autoclave cycle? Ans: Liquids 15. Which stage defines the initial infection before the appearance of symptoms? Ans: Incubation 16. Which physical method slows the rate of enzyme reactions in microorganisms? Ans: Cold temperatures 17. Which category requires all items that contact the patient to be sterile? Ans: Protective Isolation 18. How many containment levels are there? Ans: 4 19. What best describes an infection when resistance is low and normal flora invades? Ans: Opportunistic infection 20. Match the definition- the ability of a pathogen to invade and infect the host, cause damage, produce disease Ans: Virulence 21. Diseases that cannot be spread from one host to another Ans: Noncommunicable 22. Which physical method uses gamma rays or x-rays to penetrate packaging? Ans: Ionizing radiation 23. Which containment level is required for organisms that are low risk to personnel and public health? Ans: BCL1 24. Which physical method removes debris from equipment prior to sterilization? Ans: Ultrasonic waves 25. What is the containment level of our labs at St. Clair College? Ans: CL2 26. Which term applies to a chemical used to reduce bacterial numbers on living tissue? Ans: Antiseptic 27. What is the recommended concentration of alcohol used for skin antiseptic? Ans: 70% 28. Which terminal disinfection method is used on the bench for microbiology transfer loops, and also medical waste? Ans: inceneration 29. What best describes an infection that is confined to one area of the body? Ans: Localized infection 30. Site where pathogen multiply/ survive before it’s transferred to a host Ans: Reservoir 31. Which type of disease occurs worldwide and is of epidemic proportion? Ans: Pandemic 32. Which Laboratory would handle orgarisms that are highest risk to the community? Ans: CL4 33. Which method destroys only pathogens at temperatures lower than boiling? Ans: Pasteurization 34. The toxin that does not have specific activity on host cell is: Ans: Endotoxin 35. Which type of disease occasionally occurs in the population and is monitored by public health? Ans: Sporadic 36. Which stage of infectious disease is the individual most contagious with obvious symptoms? Ans: Acute. 37. Which of the selections does not apply to droplet contact? Ans: Small