MCQs in Oral Pathology

Chapter 3: White Lesions

 

 

1-Only one of the following conditions displays a clinical mucosal pattern that seems to change or migrate over time:

  1. Leukoedema
  2. Median rhomboid glossitis
  3. Fordyce granules
  4. Geographic tongue
  5. None of the above

 

 

 

 

 

The answer is: D

 

2-A commonly occurring cyst of the jaws in newborns is:

  1. Globulomaxillary cyst
  2. Gingival cyst
  3. Lateral root cyst
  4. Dentigerous cyst
  5. Calcifying odontogenic cyst

 

 

 

 

 

The answer is: B

 

3-Continuous exposure to sunlight can cause:

  1. Basal carcinoma
  2. Squamous cell carcinoma of the skin
  3. Actinic cheilitis
  4. Carcinoma of the lower lip
  5. All the above

 

 

 

 

 

The answer is: E

 

4-A 9-year-old boy has bilateral, white thickening of his buccal mucosa that extends into the vestibules. The lesions have been present since birth. His brother also has similar lesions. Which of the following is suggested:

  1. Lichen planus
  2. Leukoedema
  3. Mucous patches
  4. White sponge nevus
  5. None of the above

 

 

 

 

 

 

The answer is: D

 

5-Which of the following is characterized by granulomatous (macrophages) inflammation:

  1. Herpetic ulcers
  2. Chronic traumatic ulcers
  3. Histoplasmosis
  4. Aphthous ulcers
  5. None of the above

 

 

 

 

 

 

The answer is: C

 

6-The most common mucosal site for AIDS-related oral hairy leukoplakia is:

  1. Conjunctiva
  2. Soft palate
  3. Lateral tongue
  4. Lingual gingiva
  5. Buccal mucosa

 

 

 

 

 

The answer is: C

 

7-Plummer-Vinson syndrome signs and symptoms always include:

  1. Arthritis, xerostomia, geographic tongue
  2. Atrophic mucosa, dysphagia, anemia
  3. Oral aphthae, conjunctivitis, urethritis
  4. Telangiectasias, epistaxis, gingival hypertrophy
  5. Mucosal pigmentation (lips), intestinal polyps

 

 

 

 

 

The answer is: B

 

8-Which of the following is an autosomal dominant disease:

  1. White sponge nevus
  2. Geographic tongue
  3. Hemangioma
  4. Pemphigus vulgaris
  5. Median rhomboid glossitis

 

 

 

 

 

The answer is: A

 

9-Microscopic features of a lesion of the buccal mucosa include epithelial cells with hyperchromatic and pleomorphic nuclei with abnormal mitotic figures found at all levels in the epithelium. The basement membrane is intact. The lesion is most likely to be:

  1. Lichen planus
  2. Leukoplakia
  3. Squamous cell carcinoma
  4. Carcinoma in situ
  5. Focal hyperkeratosis

 

 

 

 

 

The answer is: D

 

10-One of the features of hairy tongue is hypertrophy of which of the following papillae:

  1. Foliate
  2. Filiform
  3. Fungiform
  4. Circumvallate
  5. Interdental

 

 

 

 

 

 

The answer is: B

 

11-Immunomodulating drugs have been used in the treatment of which of the following conditions:

  1. Pemphigus vulgaris
  2. Mucous membrane pemphigoid
  3. Aphthous stomatitis
  4. Lichen planus
  5. All the above

 

 

 

 

 

 

The answer is: E

 

12-A direct immunofluorescent test shows intercellular epithelial staining. This is an indication of:

  1. Lupus erythematosus
  2. Mucous membrane pemphigoid
  3. Lichen planus
  4. Erythema multiforme
  5. None of the above

 

 

 

 

 

The answer is: E

 

13-Which of the following represents an opportunistic fungal infection:

  1. Shingles
  2. Aphthous stomatitis
  3. Candidiasis
  4. Herpangina
  5. Syphilis

 

 

 

 

 

 

The answer is: C

 

14-A white palate with occasional red spots in a smoker's mouth is called:

  1. Candidiasis
  2. Nicotine stomatitis
  3. Squamous cell carcinoma
  4. Frictional hyperkeratosis
  5. Major aphthous ulcer

 

 

 

 

 

The answer is: B

 

15- Geographic tongue is managed by:

  1. Observation
  2. Excisional biopsy
  3. Incisional biopsy
  4. Nystatin therapy
  5. Antidepressant medication

 

 

 

 

 

 

The answer is: A

 

16-Bilateral and asymptomatic white linear lesions are found along the line of occlusion. The lines start at the corners of the mouth and extend to the third molars, and they cannot be rubbed off with a gauze square. This lesion is most likely to be:

  1. Candidiasis
  2. Lupus erythematosus
  3. Linea alba
  4. Aphthous stomatitis
  5. Squamous cell carcinoma

 

 

 

 

 

The answer is: C

 

17-A young adult male patient comes to your clinic with an asymptomatic, numerous circular white lesions surrounding red atrophic patches on the dorsum of his tongue. The lesions cannot be rubbed off with a gauze square. The patient most likely has:

  1. Fissured tongue
  2. Speckled leukoplakia
  3. Benign migratory glossitis
  4. Squamous cell carcinoma
  5. Lichen planus

 

 

 

 

 

The answer is: C

 

18-A histological sample of a bilateral white buccal mucosa lesion revealed a hyperkeratotic epithelium with basal cell destruction. The epithelium was supported by connective tissue containing a dense lymphocytic infiltrate. This lesion is most likely to be:

  1. Erythema multiforme
  2. Lichen planus
  3. Pemphigoid
  4. Pemphigus
  5. White sponge nevus

 

 

 

 

 

 

The answer is: B

 

19-Which of the following presents on the midline dorsum of the tongue:

  1. Ectopic lymphoid tissue
  2. Basal cell carcinoma
  3. Secondary herpes simplex
  4. Median rhomboid glossitis (candidiasis)
  5. Peripheral giant cell granuloma

 

 

 

 

 

 

The answer is: D

 

20-Which of the following confirms the diagnosis of candidiasis:

  1. Characteristic odor
  2. Response to injection of vitamin B12
  3. Response to administration of prednisone
  4. Demonstration of mycelia and spores in scrapings
  5. Demonstration of sulfur granules in exudate

 

 

 

 

 

 

The answer is: D

 

21-Lichen planus is caused by:

  1. Coxsackie virus
  2. One of the herpes viruses
  3. A mycobacterium
  4. Candida albicans
  5. Immunologic defect

 

 

 

 

 

The answer is: E

 

22-The white appearance of leukoedema is due to:

  1. Hyperkeratosis
  2. Acanthosis
  3. Reduced vascular supply
  4. Hydropic change of keratinocytes
  5. Dyskeratosis

 

 

 

 

 

 

The answer is: D

 

23- Which of the following statements is correct regarding hairy leukoplakia:

  1. Is only associated with HIV-positive patients
  2. Is mainly caused by candidal infection of the oral mucosa
  3. Commonly affects the dorsum of the tongue
  4. Is considered to be a premalignant condition
  5. Has koilocyte-like cells in the prickle cell layer

 

 

 

 

 

 

The answer is: E

 

24- Which of the following statements is correct about oral dysplastic lesions:

  1. Need to be monitored every 3 months
  2. Stop any habits that may be contributory, eg smoking, alcohol consumption
  3. Excisional biopsy must be performed
  4. Homogeneous Leukoplakias have a higher risk of malignant transformation than erythroplasia
  5. High-risk sites include the soft and hard palate

 

 

 

 

 

 

The answer is: B

 

25- Lesion that characteristically occurs on the alveolar ridges of infants is:

  1. Congenital lymphangioma
  2. Fordyce granules
  3. Bohn’s nodules
  4. White sponge nevus
  5. Retrocuspid papilla

 

 

 

 

 

 

The answer is: C

 

26- Inflammation of the lips is referred to as:

  1. Stomataitis
  2. Glossitis migrican.
  3. Cheilitis
  4. Vincent Angina.
  5. Sialadenitis

 

 

 

 

 

 

The answer is: C

 

27- Failure of the tuberculum impar to retract prior to fusion of the lateral halves of the tongue results in:

  1. Median rhomboid glossitis.
  2. Cleft (bifid) tongue.
  3. Geographic tongue.
  4. Scrotal tongue.
  5. Sarcoma of tongue.

 

 

 

 

 

 

The answer is: A

 

28- White lesion of the oral mucosa are characteristic of the following except:

  1. Hyperkeratosis
  2. Leukoedema
  3. Lichen planus
  4. Medium rhomboid glossitis
  5. Ancanthosis

 

 

 

 

 

 

 

The answer is: D

 

29- Oral cytological smears are of no value in the diagnosis of:

  1. Oral cancer
  2. Primary intraoral herpes simplex
  3. Recurrent intraoral herpes simplex
  4. Herpes zoster
  5. Lipoma

 

 

 

 

 

 

 

The answer is: E

 

 30-White, interlacing lines (striae of Wickham) on the buccal mucosa are a characteristic clinical feature of:

  1. Leukoplakia
  2. Lupus Erythematous
  3. Lichen planus
  4. Psoriasis
  5. Carcinoma in situ

 

 

 

 

 

 

 

The answer is: C

 

31-Cysts of the newborn (Bohn's nodules) are common lesions requiring no treatment, and occur in which of the following sites:

  1. The floor of the mouth
  2. Gingiva
  3. Buccal mucosa
  4. Lower lip
  5. Upper lip

 

 

 

 

 

 

The answer is: B

 

32-Which of the following jaw lesions develops from odontogenic epithelium:

  1. Static bone cyst
  2. Aneurysmal bone cyst
  3. Gingival cyst of the adult
  4. Nasopalatine canal cyst
  5. All the above

 

 

 

 

 

 

 

The answer is: C

 

33-All is true about Oral Lichen Planus EXCEPT:

 

  1. Most common dermatological site is the wrist
  2. It is often bilateral
  3. 10% of cases are at risk of malignant transformation
  4. Prevalence is around 1-2%
  5. Not always symptomatic

 

 

 

 

 

 

The answer is: C