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ST220 T2 Micro

ST220 T2 Microbiology

QuestionAnswer
1. Bacilli are typically found to be in the shape of Rods
2. When one organism benefits and the host is harmed Parasitism
3. The term used to describe when both organism benefit from and depend on one another to certain extent Mutualism
4. E. Coli in the intestine produce Vitamin K
5. Bacteria divide by a process called Binary fission
6. Bacteria are identified by the shape and form they assume. Which of the following in the shape and form of streptococci Chain of spherical bacteria
7. Which is the most commonly transmitted bacteria in the operating room Staphylococcus aureus
8. Spiral-shaped bacteria are identified as Spirilla
9. Rickettsiae are transmitted by Insect bites
10. A valuable laboratory test for determining bacterial identification is/an Gram Stain
11. Vaccination is an ex of Artificial Active Immunity
12. Staphylococci normally found on the skin are example of Transient Flora
13. A long thin structure attached to the outside of the cell which uses a whipping motion to provide motility to the cell Flagella
14. A bacillus found in the intestines is Escherichia coli
15. What term best defines microorganisms that are capable of producing ds under favorable conditions Pathogens
16. DNA is contained within the Nucleus
17. Cell drinking is called Pinocytosis
18. An organelle that is responsible for the packaging of proteins is Golgi Complex
19. Symbiosis A constant relationship bt unlike species of organisms
20. Microorganisms that habitually live in the epidermis, deep in the crevices and folds of the skin are Resident Microorganism
21. What does a virus contain typically DNA or RNA
22. What are the characteristics of a prion All of the above (Simple Protein, Smaller than a virus, and Lacks a genome)
23. The prion disease affecting sheep is Scrapie
24. What disease does Rickettsiae Rickettsii cause Rocky Mountain Spotted Fever
25. What did Hans Gram accomplish Developed the staining method
26. Infection spread through the air by sneeze droplets Airborne Spread
27. Oral fecal hepatitis transmission postop cholecystectomy wound infection from contact with Pts gallbladder Direct Contact
28. Infection spread by contaminated surgical instrument Indirect Contact
29. Infection carried in blood products Common Vehicle Spread
30. Has a ring shaped diaphragm that allows light in of various brightness Phase Contrast Microscope
31. Uses an Electromagnetic lens in place of a glass lens Electron Microscope
32. Also called a bright field Compound Light Microscope
33. Useful in identifying rabies and syphilis Fluorescence Microscope
34. Has an opaque disc that blocks direct light Dark Field Microscope
35. Uses a 2 lens system Compound Light Microscope
36. Is used when microbes cannot be stained Dark field Microscope
37. Used to highlight the internal structure of a cell Phase Contrast Microscope
38. Uses electrons to improve resolution Electron Microscope
39. Utilizes ultraviolent light Fluorescence Microscope
40. Short Ans: Who established germ theory Louis Pasteur
41. Describe how virus replicates when inside the body The virus attaches to the host cells with receptors on the capsomere. Then penetrates cytoplasmic (outside) membrane of through receptor mediated endocytosis. Viral nucleic acid is freed and viral replication begins.
42. Describe diff bt passive and active immunity Active: Acquired by infection or vaccination Passive: Transfer of antibodies through serum or another individual
43. List 4 classifications of microorganisms Bacteria, Virus, Algae, Protozoa
44. List 3 signs of inflammation Redness, Heat, Swelling
45. Briefly explain how prions are different from other infectious agents & how they affect the brain Prions are built of Proteins that do not contain DNA or RNA
Created by: elizabeth-mcw