1.When antigens bind to antibodies on mast cell surfaces, degranulation occurs, triggering anaphylaxis. What do the granules of mast cells release that causes this reaction?
2.Which type of microorganism is best detected using dark field microscopy?
3.What is the shortest duration needed to sterilize surgical instruments using moist heat at 134°C?
4.Which sterilization technique is most effective for sterilizing a hand-piece?
5.Which of the following is an example of a hypersensitivity reaction caused by immune complex formation?
6.Which component acts as the primary chemotactic factor in the complement system?
7.Which sterilization method utilizes steam under pressure?
8.Which immunoglobulin is most abundant in saliva?
9.Which of the following statements about Legionella pneumophila is FALSE?
10.Which one of the following viruses does not have an external lipoprotein envelope?
11.Actinomycosis is classified as which type of infection?
12.Which statement accurately describes the pathway of tetanus infection following a traumatic wound?
13.Which of the following is true about Pseudomonas aeruginosa?
14.Which statement about Vibrio cholerae is incorrect?
15.Which of the following statements about Bacteroides is NOT true?
16.Regarding Neisseria gonorrhoeae, which of the following statements is incorrect?
17.What substance enables dental plaque to stick to the surface of teeth?
18.Which staining technique is most effective for identifying Mycobacterium tuberculosis?
19.Which spirochete is linked to the condition known as fusospirochetosis?
20.Which bacterial species is considered beneficial or protective to the host?