MCQs in Oral & Maxillofacial Surgery

Chapter 7: Special Tests

 

1- Removal of tissue from living individual for diagnostic purpose is called:

  1. Autopsy.
  2. Biopsy.
  3. Cytology.
  4. Aspiration.
  5. Hematology.

 

 

 

 

 

The answer is: B

 

2- Which of the following statements regarding biopsies are correct:

  1. When performing biopsy in a large lesion, it is crucial to place the biopsy in the site that is likely to heal faster.
  2. Placing a suture is unnecessary to avoid disruption of the tissue
  3. Sloughing or necrotic areas of tissue should be avoided.
  4. A commonly used fixative is 20% formal saline.
  5. All specimens must remain in the fixative for 48 hours before they are examined.

 

 

 

 

 

The answer is: C

 

3- Most commonly needle used for aspiration biopsy is:

  1. 27 gauge.
  2. 30 gauge.
  3. 18 gauge.
  4. 16 gauge.
  5. 25 gauge.

 

 

 

 

 

The answer is: C

4- Enucleation means:

  1. Creation of surgical window.
  2. Removal of entire lesion without rupture.
  3. Composite resection.
  4. Marginal resection.
  5. Curettage.

 

 

 

 

 

 The answer is: B

 

5- Marginal resection means:

  1. Resection of tumor without disruption of continuity of bone.
  2. Resection of tumor by removing full thickness of bone.
  3. Resection of tumor with removal of lymph nodes.
  4. Resection of tumor with removal of lymph nodes & adjacent soft tissue.
  5. Creating surgical window.

 

 

 

 

 

 

The answer is: A

 

6- Extracted teeth should be preserved in:

  1. 10% alcohol.
  2. 10% hydrogen per oxide.
  3. Pyodine solution.
  4. Normal saline.
  5. 10% formalin.

 

 

 

 

 

The answer is: E

 

 

7-A biopsy would be of value in the diagnosis or oral lesions of:

  1. Amyloidosis
  2. Carcinoma in situ
  3. Tuberculosis
  4. Lichen planus
  5. All of above

 

 

 

 

 

The answer is: E

 

8-Which of the following radiographs is helpful to diagnose a jaw lesion which cause buccal or lingual expansion of jaw bone:

  1. Panoramic radiograph.
  2. Intraoral periapical radiograph.
  3. Occlusal radiograph.
  4. True lateral radiograph.
  5. None of the above.

 

 

 

 

 

 

The answer is: C