1.Which complement component initiates the common pathway?
2.Which of these microorganisms does not show a reaction to Gram staining?
3.Phase contrast microscopy operates on the principle of which of the following?
4.What method is used in cold sterilization to achieve sterilization without heat?
5.What does the term 'epitope' specifically describe?
6.Which of the following methods does NOT result in bacterial attenuation?
7.Post-streptococcal acute glomerulonephritis is classified under which type of hypersensitivity reaction?
8.Which structure is absent in bacterial cells?
9.Which method is used to sterilize surgical needles and sutures during manufacturing?
10.A child has infectious skin lesions on the leg. A culture reveals gram-positive cocci arranged in chains with hemolytic colonies. Which test is most appropriate to accurately identify this organism?
11.What is the primary objective of sterilization?
12.Which type of bacteria naturally lack a cell wall?
13.Which class of immunoglobulin is most frequently elevated in patients diagnosed with multiple myeloma?
14.What is the primary role of IgD in the immune system?
15.What are the products formed when the IgG antibody is cleaved by papain?
16.Who is credited with the discovery of physical sterilization methods?
17.Which sterilization technique is most suitable for sterilizing dressing powders?
18.Which of the following statements regarding sterilization methods is incorrect?
19.Which of the following microorganisms is NOT effectively destroyed by moist heat?
20.Which part of the cell wall is responsible for this function?