MCQs in Oral Pathology

Chapter 8: Salivary gland diseases

 

1- Salivary calculi:

  1. Commonly cause dry mouth
  2. Occur most commonly in the sublingual gland
  3. Occur most commonly in the parotid gland
  4. Are always visible on radiographs
  5. May be asymptomatic

 

 

 

 

 

 

The answer is: E

 

2- Incidence of sialolithesis is very high in:

  1. Parotid gland
  2. Submandibular gland
  3. Sublingual gland
  4. Minor salivary glands
  5. Sebaceous glands

 

 

 

 

 

 

The answer is: B

 

3- If stones are present in salivary duct there are chances of:

  1. Hypertrophy of salivary gland.
  2. Hyperplasia of salivary gland.
  3. Hyperplasia of salivary duct.
  4. Dysplasia of salivary gland.
  5. Metaplasia of lining of salivary duct.

 

 

 

 

 

The answer is: E

 

4- An abnormal disease in the flow of saliva is called:

  1. Ptyalism
  2. Trismus
  3. Xerostomia
  4. Salivation
  5. Sialadenitis

 

 

 

 

 

The answer is: C

 

5- A cyst occurring under the tongue, caused by obstruction of a salivary glandduct, is called a:

  1. Follicular cyst
  2. Dentigerous cyst
  3. Ranula
  4. Dermoid cyst
  5. Epidermoid cyst

 

 

 

 

 

 

The answer is: C

 

6-Papillary cystadenoma lymphomatosum, which occurs almost exclusive in the parotid gland, is commonly called:

  1. Cylindroma
  2. Pleomorphic adenoma
  3. Warthin’s tumor
  4. Mikulicz’s disease
  5. Jaffy’s syndrome 

 

 

 

 

 

 

The answer is: C

 

7-A biopsy of minor salivary gland of the lower lip was taken to evaluate for the salivary component of Sjögren's syndrome. The tissue showed a diffuse lymphocytic and plasma cell infiltrate in the gland parenchyma, extensive scarring of the gland with acinar atrophy, and ductal dilatation. This condition is most likely to be:

  1. Sarcoidosis
  2. Adenoid cystic carcinoma
  3. Pleomorphic adenoma
  4. Chronic sialadenitis
  5. Sjögren's syndrome

               

 

 

 

 

 

The answer is: D

 

8-Which of the following is rarely seen in major glands:

 

  1. Mixed tumor
  2. Mucoepidermoid carcinoma
  3. Adenoid cystic carcinoma
  4. Polymorphous low-grade adenocarcinoma
  5. Monomorphic adenoma

 

 

 

 

 

 

The answer is: D

 

9-Which of the following is defined as circumscribed salivary gland tumor that is composed of a benign mixture of neoplastic ductal epithelium and myoepithelium-derived connective tissue:

  1. Pleomorphic adenoma (mixed tumor)
  2. Monomorphic adenoma
  3. Mucoepidermoid carcinoma
  4. Adenoid cystic carcinoma
  5. Polymorphous low-grade adenocarcinoma

 

 

 

 

 

 

The answer is: A

 

10-In which of the following places, ranula is most commonly seen:

  1. Parotid
  2. Lower lip
  3. Buccal mucosa
  4. Floor of mouth
  5. Ventral tongue

 

 

 

 

 

 

The answer is: D

 

11-Which of the following is true about necrotizing sialometaplasia:

  1. Occurs in the palate
  2. May be confused with carcinoma clinically
  3. May be confused with carcinoma microscopically
  4. Is related to ischemic necrosis
  5. All the above

 

 

 

 

 

 

The answer is: E

 

12-Which of the following salivary gland tumors has the worst overall prognosis:

  1. Mixed tumor
  2. Mucoepidermoid carcinoma
  3. Adenoid cystic carcinoma
  4. Polymorphous low-grade adenocarcinoma
  5. Monomorphic adenoma

 

 

 

 

 

 

The answer is: C

 

13-Which of the following is NOT a sign of salivary gland malignancy of minor glands:

  1. Induration
  2. Ulceration
  3. Rapid growth
  4. Xerostomia
  5. Pain and swelling

 

 

 

 

 

 

The answer is: D

 

14-The best treatment plan for maxillary sinus retention cysts is:

  1. Endodontic therapy of the adjacent teeth
  2. Antibiotic therapy
  3. Surgical removal
  4. Observation
  5. None of the above

 

 

 

 

 

 

The answer is: D

 

15-A patient presented with a nodular lesion on his tongue. You decided to take a biopsy and you found several noncaseating granulomas. The patient was also found to have similar lesions in the hilar regions of his lungs. This condition is most likely to be:

  1. Benign lymphoepithelial lesion
  2. Sarcoidosis
  3. Lymphoma
  4. Necrotizing sialometaplasia
  5. Mumps

 

 

 

 

 

 

The answer is: B

 

16-Patients with Sjögren's syndrome have an increased risk for developing:

  1. Oral cancer (squamous cell carcinoma)
  2. Lymphoma
  3. Mixed tumors
  4. Melanoma
  5. Anemia

 

 

 

 

 

 

 

The answer is: B

 

17-Which of the following is true about monomorphic adenoma:

  1. Is an aggressive neoplasm
  2. Is more common in the upper lip than the lower lip
  3. Often transforms into adenocarcinoma
  4. Has a relatively high recurrence potential
  5. None of the above

 

 

 

 

 

 

The answer is: B

 

18-Which of the following is true about mixed tumor of salivary glands:

  1. Is caused by smoking
  2. Contains epithelial elements plus connective tissue of varied appearance, sometimes resembling cartilage
  3. Frequently metastasizes to local lymph nodes
  4. All of the above
  5. B and C only

 

 

 

 

 

The answer is: B

 

19-A labial salivary gland biopsy showed the replacement of normal parenchyma with granulomas. There was no scarring and no ductal dilatation. This condition is most likely:

  1. Necrotizing sialometaplasia
  2. Salivary lymphoepithelial lesion
  3. Mucous extravasation phenomenon
  4. Mucous retention cyst
  5. Sarcoidosis

 

 

 

 

 

 

The answer is: E

 

20-Which of the following is a feature of sialoliths:

  1. Pain
  2. Duct obstruction
  3. Secondary gland infection
  4. Mucous retention
  5. All the above

 

 

 

 

 

The answer is: E

 

21-Which of the following is a common cause of xerostomia in the elderly:

  1. Bacterial infection
  2. Mumps
  3. Systemic drugs
  4. Allergic reactions
  5. None of the above

 

 

 

 

 

The answer is: C

 

22-Perineural invasion is an ominous microscopic feature that is often associated with which of the following salivary gland tumors:

  1. Low-grade mucoepidermoid carcinoma
  2. Mixed tumor
  3. Adenoid cystic carcinoma
  4. Monomorphic adenoma
  5. None of the above

 

 

 

 

 

 

The answer is: C

 

23-Which of the following lesions occurs typically in the palate, may be confused with carcinoma clinically and microscopically, and appears to be due to ischemic necrosis of minor salivary glands:

  1. Salivary lymphoepithelial lesion
  2. Mixed tumor
  3. Papillary hyperplasia
  4. Glandular hyperplasia
  5. Necrotizing sialometaplasia

 

 

 

 

 

 

The answer is: E

 

24-Diffuse bilateral swelling of the parotid glands may present with which of the following:

  1. Sarcoidosis
  2. Sjögren’s syndrome
  3. Diabetes mellitus
  4. Chronic ethanolism
  5. All the above

 

 

 

 

 

The answer is: E

 

25-Which of the following salivary gland tumors is composed of neoplastic glandular epithelium plus neoplastic connective tissue elements that are believed to be derived from myoepithelial precursor cells:

  1. Mixed tumor
  2. Monomorphic adenoma
  3. Adenoid cystic carcinoma
  4. Mucoepidermoid carcinoma
  5. Polymorphous low-grade adenocarcinoma

 

 

 

 

 

 

The answer is: A

 

26-The 5-year survival rate of one of the following salivary gland tumors is fair, but at 15 years it is very poor. Which of the following exhibits this slow, but unrelenting behaviour:

  1. Mucoepidermoid carcinoma
  2. Mixed tumor
  3. Adenoid cystic carcinoma
  4. Monomorphic adenoma
  5. Polymorphous low-grade adenocarcinoma

 

 

 

 

 

The answer is: C

 

27-An asymptomatic fluctuant mass in the floor of the mouth of a 25-year-old man was biopsied. Microscopically, it was a dilated duct containing mucin. This is a:

  1. Dermoid cyst
  2. Lymphoepithelial cyst
  3. Branchial cyst
  4. Thyroglossal tract cyst
  5. Mucous retention cyst

 

 

 

 

 

The answer is: E

 

28-A 24-year-old patient presents with a persistent firm asymptomatic submucosal mass (1 cm) in her lower lip. The mass fluctuates in size and occasionally drains a cloudy, sticky fluid. This would most likely be which of the following:

  1. Mucous extravasation phenomenon
  2. Necrotizing sialometaplasia
  3. Traumatic fibroma
  4. Soft tissue myxoma
  5. Ectopic lymphoid tissue

 

 

 

 

 

The answer is: A

 

29-Mixed tumors of minor salivary glands present as asymptomatic lumps most commonly in which of the following locations:

  1. Lower lip
  2. Upper lip
  3. Buccal mucosa
  4. Tongue
  5. Palate

 

 

 

 

 

The answer is: E

 

30-While mucous extravasation phenomenon can potentially occur where there is salivary gland, it is most commonly seen in which of the following intraoral sites:

  1. Buccal mucosa
  2. Upper lip
  3. Lower lip
  4. Gingiva
  5. Lateral tongue

 

 

 

 

 

The answer is: C

 

31-Biopsy of minor salivary gland of the lip shows a lymphocytic infiltrate that has replaced salivary gland parenchyma without evidence of scar. The patient is 58 years old and also has dry eyes and rheumatoid arthritis. She very likely has which of the following:

  1. Sarcoidosis
  2. Adenoid cystic carcinoma
  3. Sjögren's syndrome
  4. Chronic sialadenitis
  5. Gorlin-Goltz syndrome

 

 

 

 

 

The answer is: C

 

32-Which of the following benign lesions is known to have potential to undergo malignant transformation:

  1. Traumatic fibroma
  2. Ectopic lymphoid tissue
  3. Denture-related papillary hyperplasia
  4. Granular cell tumor
  5. Mixed tumor

 

 

 

 

 

The answer is: E

 

33-Which of the following salivary conditions results because of traumatic or surgical cutting of the excretory duct of a salivary gland:

  1. Mixed tumor
  2. Sialolithiasis
  3. Mucous retention cyst
  4. Mucous extravasation phenomenon
  5. Ranula

 

 

 

 

 

 

The answer is: D

 

34-The cell that replaces salivary and lacrimal gland parenchyma, resulting in dryness seen in association with Sjögren’s syndrome, is the:

  1. Macrophage
  2. Lymphocyte
  3. Langerhans cell
  4. Neutrophil
  5. Mast cell

 

 

 

 

 

 

The answer is: B

 

35-Minor salivary gland malignancies are most commonly seen in which of the following sites:

  1. Lower lip
  2. Upper lip
  3. Palate
  4. Tongue
  5. Gingiva

 

 

 

 

 

The answer is: C

 

36-A patient presents with a chronic palatal ulcer. On biopsy there is evidence of salivary gland infarction and squamous metaplasia of salivary ducts. This is:

  1. Benign lymphoepithelial lesion
  2. Necrotizing sialometaplasia
  3. Cytomegalic disease
  4. Lymphoma
  5. Mucous extravasation phenomenon

 

 

 

 

 

The answer is: B

 

37-A patient presents with a lump in the palate that is covered by normal epithelium. Microscopy shows that the mass is an infiltrative neoplasm composed of glandular epithelium. Tumor nests have a cribriform pattern and can be seen surrounding nerve. This describes which of the following:

  1. Mixed tumor
  2. Monomorphic adenoma
  3. Mucocele
  4. Adenoid cystic carcinoma
  5. Mucoepidermoid carcinoma, low grade

 

 

 

 

 

 

The answer is: D

 

38-Intraoral biopsy of minor salivary gland tissue as a diagnostic test to evaluate the salivary component of Sjögren's syndrome is taken from which of the following sites:

  1. Gingiva
  2. Floor of mouth
  3. Lower lip
  4. Palate
  5. Ventral tongue

 

 

 

 

 

 

The answer is: C

 

39-The most common salivary gland tumor of both minor and major glands is:

  1. Mixed tumor
  2. Mucoepidermoid carcinoma
  3. Adenoid cystic carcinoma
  4. Polymorphous low-grade adenocarcinoma
  5. Monomorphic adenoma

 

 

 

 

 

 

The answer is: A

 

40-A 45-year-old woman developed soft bilateral swelling of her parotids. Her salivary flow was reduced and she had keratoconjunctivitis sicca (dry eyes). She also recently developed painful joints. She should be evaluated for:

  1. Chronic alcoholism
  2. MEN III
  3. Sjögren's syndrome
  4. Neurofibromatosis
  5. Diabetes

 

 

 

 

 

The answer is: C

 

41-The cells with bright pink cytoplasm that contain abundant mitochondria that are seen in aging salivary glands and in some salivary gland tumors are known as:

  1. Myoepithelial cells
  2. Acinar cells
  3. Macrophages
  4. Oncocytes
  5. Basal keratinocytes

 

 

 

 

The answer is: D

 

42-Which of the following statements is NOT true about necrotizing sialometaplasia?

  1. Palate is the most common site
  2. Generally present as an ulcer
  3. Commonly develops after the administration of greater palatine nerve block
  4. Benign, non-inflammatory reaction of salivary gland tissue

 

 

 

 

 

The answer is: D