MCQs

1) Your patient came back to your clinic with rash and redness on the skin that started two hours from taking the first dose of amoxicillin that you prescribed. This is an example of what type of hypersensitivity reaction?
  1. Type I
  2. Type II
  3. Type III
  4. Type IV

2) A Gates-Glidden with 2 stripes is approximately equivalent to ISO file size:
 

1. 50
2. 70
3. 90
4. 110
5. 130

3) The triple antibiotic paste, that was developed in large part by Hoshino and colleagues in 1996 and used as an intracanal medicament as part of the process of the pulp revascularization, is a combination of:
 

1.  Ciprofloxacin, metronidazole, and minocycline
2. Doxycycline, ciprofloxacin, and metronidazole
3. Tetracycline, minocycline, and metronidazole
4. Doxycycline, ciprofloxacin, and minocycline

4) What is the term that best describes a patient whose chief complaint is “I have pain when I drink cold beverages” or “It now hurts when I bite on this tooth.”?
  
   1. allodynia   
   2. hyperalgesia
   3. hypersensitivity
   4. none of the above

5) What are the spaces that can lead to the cavernous sinus thrombosis?
  1. spaces of the midface
  2. infratemporal space
  3. parapharyngeal spaces
  4. a & b 
  5. b&c

Key answers: 1, 2, 1, 1, 4