Dental Board Exams Part I - Question List

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46. Which of the following bacteria is most strongly associated with sex-steroiD-induced gingivitis?
  1. Lactobacillus casei
  2. Prevotella intermedia
  3. Streptococcus mutans
  4. Actinomyces viscosus
47. Which of the following statements is TRUE regarding vitamin K deficiency?
  1. Increased activity of clotting factors II, VII, IX, X
  2. Decreased PT
  3. No change in PTT
  4. Caused by malabsorption of fat
48. Which of the following statements is not true of cell-mediated immunity ?
  1. it is responsible for type IV hypersensitivity reactions
  2. it defends against parasites
  3. it is important in transplant rejection
  4. it involves predominantly B cells
49. Bitter taste cells transmit taste stimuli by which of the following?
  1. production of H+ which closes K+ channels
  2. activating IP3 which increases intracellular Ca2+
  3. Na+ influx through passive ion channels
  4. activating cAMP which closes K+ channels
50. Which of the following are not common clinical features of anterior cord syndrome?
  1. Loss of motor function and pain and temperature
  2. Preservation of light touch
  3. Preservation of proprioception and position sense
  4. Babinski sign

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