click below
click below
Normal Size Small Size show me how
Microbiology Exam 3
| Question | Answer |
|---|---|
| 1. What does the term infection refer to? | |
| 2. When does the human body usually begin to be colonized by normal biota? | |
| 3. Where can resident biota be found in/on the human? | |
| 4. What is microbial antagonism? | |
| 5. What are the normal biota of the skin? | |
| 6. What are opportunistic pathogens? | |
| 7. What factors weaken host defenses against infections? | |
| 8. How does the greatest number of pathogens enter the body? | |
| 9. What are the microbial methods of adhesion? | |
| 10. What is phagocytosis? What types of blood cell performs this? | |
| 11. What are the virulence factors microbes can possess? I.e. capsules, endo/exotoxins..etc. | |
| 12. Know the characteristics of endotoxins and exotoxins. | |
| 13. What are enterotoxins? | |
| 14. What is the function of fimbriae, capsules, coagulase, leukocidins, and hemolysins? | |
| 15. Know all the stages of disease and basics about what is going on. I.e. prodromal, incubation..etc. | |
| 16. Know these definitions: secondary infection, mixed infection , acute infection , local infection , and toxemia. | |
| 17. Know what a sign, symptom, and syndrome are. | |
| 18. What is leukopenia? | |
| 19. Know the terms bacteremia, septicemia, and viremia. | |
| 20. What are the normal portals of exit for an infectious disease? | |
| 21. What is a carrier? What is a vector( both mechanical and biological kinds)? Reservoir? What can be a reservoir? | |
| 22. What are the universal precautions for handling patients and body substances? | |
| 23. When would you use Koch’s postulates? | |
| 24. What is epidemiology? | |
| 25. Know the terms epidemic, endemic, pandemic, and sporadic. | |
| 26. What is involved in the 1st line of defense? | |
| 27. What body area depends on cilia to help clear the area of microbes? | |
| 28. What are the physical barriers to pathogens? | |
| 29. How do immune system cells differentiate between self and foreign cells? | |
| 30. What is an antigen? Antibody? | |
| 31. Which WBC releases histamine and is the least numerous? | |
| 32. Which WBC is 20-30% of WBCs and is part of the 3rd line of defense? | |
| 33. Which WBC is most numerous and has a multi-lobed nucleus? | |
| 34. What do plasma cells do? | |
| 35. Which lymphocyte functions in humoral immunity? What about cellular? | |
| 36. What are the four signs and symptoms of inflammation? | |
| 37. What are the benefits of a fever? | |
| 38. Know all the characteristics of interferon AND complement. | |
| 39. What specific WBCs are involved in acquired specific immunity? | |
| 40. What do Th cells do? | |
| 41. Lymphocyte maturation includes what steps and locations for T and B cells? | |
| 42. The major histocompatability complex is | |
| 43. Class II MHC genes code for a. certain secreted complement components. b. self receptors recognized by T lymphocytes. c. all HLA antigens. d. receptors located primarily on macrophages and B cells (APCs). | |
| 44. Class I MHC genes code for | |
| 45. The region of each antibody molecule where amino acid composition is highly varied from one clone of B lymphocytes to another and where the antigen is bound is the? | |
| 46. What is an epitope? | |
| 47. What is a hapten? | |
| 48. Which of the following is not a property of B cells? | |
| 49. What are APCs, what cells can be one? How do they work? | |
| 50. Know all characteristics of the Fc region of an immunoglobulin/antibody. | |
| 51. What is neutralization? Opsonization? | |
| 52. Which process involves a more rapid synthesis and greatly increased titer of antibody when the immune system is subsequently exposed to the same antigen? | |
| 53. Know ALL characteristics of the 5 classes of immunoglobulins/antibodies. I.e. is it a monomer, dimer, or pentamer. Smallest, largest. Which can cross placenta..etc. | |
| 54. What type of cells/tissues do Tc target? | |
| 55. What allows adaptive/specific immunity to provide long-lasting protection? | |
| 56. Be able to classify situations as artificial/natural and active/passive immunity. | |
| 57. What did Jenner’s work involve? | |
| 58. How are killed or inactivated vaccines prepared? | |
| 59. What do acellular and subunit vaccines contain? | |
| 60. What activates the classical pathway of complement? | |
| 61. Which hypersensitivity categories involve immunoglobulin? Which one involves T cells? | |
| 62. Classify these as Type I, II, III, or IV: | |
| 63. What is the definition of hypersensitivity? | |
| 64. What is systemic anaphylaxis? What does it include? | |
| 65. What is desensitization? | |
| 66. Know all about hemolytic disease of the newborn and what each person must have for the Rh factor.etc. | |
| 67. Know the terms isograft, autograft, allograft, and xenograft. | |
| 68. What is autoimmunity typically caused by? | |
| 69. What are the phenotypic methods of identification? | |
| 70. What types of tests are Biochemical tests? | |
| 71. What can be used for specimen collections? | |
| 72. What specimens require a sterile needle collection? | |
| 73. What is serology? | |
| 74. What is specificity? Sensitivity? | |
| 75. What is a titer? | |
| 76. What techniques might be used to analyze tiny/minute DNA samples? |