MCQs on Periodontal Ligament - Oral Histology Part 1

# Which of the following cells are the predominant connective tissue cells of the periodontal ligament?
A. Cementoblasts
B. Fibroblasts
C. Osteoblasts
D. Cell rests of Malassez

# The periodontal ligament:
A. Derives its blood primarily from the branches of vessels entering the pulp
B. Has a slow rate of turn over
C. Contains epithelial cells
D. Comprises primarily of type II collagen

# Which of the following is not the principal fiber group of the periodontal ligament ?
A. Horizontal
B. Oblique
C. Alveolar crest
D. Trans septal

# Anchoring fibrils are composed of:
A. Type V and VII collagen
B. Type I and III collagen
C. Type IV collagen
D. Type IV and III collagen

# Collagen molecule exhibits all of the following features EXCEPT :
A. Triple plated sheath
B. Mostly contains glycine residues
C. Exhibit cross striations at 64 micrometer
D. Intracellular in nature

# Remnants of Hertwig's root sheath are found in :
A. Gingiva
B. Alveolar bone
C. Cementum
D. Periodontal Ligament
# Age changes in the periodontal ligament include which of the following ?
A. Increased fibroplasia
B. Increased vascularity
C. Increased thickness
D. Decrease in the number of cementicles

# All of the following cells of periodontal ligament are of mesenchymal origin EXCEPT:
A. Fibroblasts
B. Multi totipotent cells
C. Cementoblasts
D. Cell rests of Malassez

# The attachment apparatus of tooth is composed of:
A. Gingiva,cementum and alveolar bone
B. Gingiva and cementum
C. Cementum and periodontal ligament
D. Periodontal ligament, cementum and alveolar bone

# The vascular supply of the periodontal ligament is :
A. Greatest in the middle third of a single rooted tooth
B. Greatest in the middle third of a multirooted tooth
C. A net-likee plexus that runs closer to the cementum than to the bone
D. A net-like plexus that runs closer to the bone than to the cementum

# Fibers of the periodontal ligament embedded in the bone are:
A. Sharpey's fibers
B. Tome's fibers
C. Elastic fibers
D. Ray's fibers

# Group of fibers, which resist the masticatory forces are:
A. Dentogingival
B. Transseptal
C. Oblique
D. Horizontal

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MCQs on Diseases of Salivary Glands - Oral Pathology Part 3

# Spindle cell carcinoma is a variant of :
A. Pleomorphic adenoma
B. Adenoid cystic carcinoma
C. Basal cell carcinoma
D. Squamous cell carcinoma

# Commonest site for ectopic salivary gland tumor is :
A. Tongue
B. Cheek
C. Palate
D. Neck

# Chemical Mumps is synonymous with:
A. Epidemic parotitis
B. Iodine mumps
C. Nutritional mumps
D. Nonspecific mumps

# Break up time (BUT) test is done in :
A. Sjogren's syndrome
B. Multiple sclerosis
C. SLE
D. Myasthenia gravis

# Salivary duct calculi :
A. Produce pain on eating
B. Are commonest in the parotid ducts
C. Are common cause of acute parotitis
D. Are associated with hypercalcemic states

# Sialoliths are stones found in the salivary duct and gland and are primarily composed of:
A. Hydroxyapatite
B. Potassium chloride
C. Unknown compounds of phosphates
D. Calcium chloride

# In Xerostomia, the salivary pH is:
A. Unaffected
B. Low
C. High
D. Increased in morning and decreased in day

# Pleomorphic adenoma is :
A. a teratomatous tumour of the salivary gland
B. a neuroendocrine cell tumour
C. multiple ectopic tissue proliferating in the salivary gland
D. myoepithelial or ductal reserve cell origin

# Which of the following statements about Sjogren's Syndrome is incorrect ?
A. MRI shows salt and pepper appearance
B. Lacrimal gland enlargement is common
C. Minor salivary gland biopsy is a diagnostic test
D. Pilocarpine is the most useful and convenient drug in its treatment


# Chocolate colored fluid is seen in the cystic space of:
A. Dentigerous cyst
B. Odontogenic keratocyst
C. Unicystic ameloblastoma
D. Papillary cystadenoma lymphomatosum

# Intra oral pleomorphic adenoma usually occurs in:
A. Buccal mucosa
B. Upper lip
C. Floor of the mouth
D. Palate

# A salivary gland tumor, which histologically shows a double layer of epithelial cells based on a reactive lymphoid stroma is:
A. Pleomorphic adenoma
B. Mucoepidermoid carcinoma
C. Acinic cell tumor
D. Warthin tumor

# Sjogren's syndrome affects :
A. Exocrine glands
B. Paracrine glands
C. Endocrine glands
D. Autocrine glands

# In which of the following salivary gland tumors, the tumor is composed of "intermediate cells" histologically ?
A. Adenoid cystic carcinoma
B. Mucoepidermoid carcinoma
C. Pleomorphic adenoma
D. Warthin's tumor

# Which of the following salivary gland tumors has highest rate of malignant transformation ?
A. Parotid
B. Submandibular
C. Sublingual
D. Minor

# The following are the high grade salivary malignancies , EXCEPT :
A. Basal cell adenocarcinoma
B. Mucoepidermoid carcinoma
C. Adenoid cystic carcinoma
D. Salivary duct carcinoma

# Treatment for recurrent ranula is :
A. Incision
B. Excision
C. Excision with adjacent glands
D. Marsupialization

# Sialography of normal salivary gland reveals the ductal architecture as having an appearance of :
A. Sausage string
B. Fruit-laden tree
C. Leafless tree
D. Ball in hand

# Microscopically, epimyoepithelial islands are typically seen in :
A. Sjogren's syndrome
B. Mucoepidermoid carcinoma
C. Epithelial-myoepithelial carcinoma
D. Myoepithelioma

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MCQs on Diseases of Salivary Glands - Oral Pathology Part 2

# The most common complication of mumps is :
A. Myocarditis
B. Orchitis
C. Uveitis
D. Conjunctivitis

# Adenoid cystic carcinoma is also known as :
A. Cylindroma
B. Pindborg tumor
C. Warthin's tumor
D. Pleomorphic adenoma

# Sialolith in the excretory duct will result in:
A. Chronic sialadenitis
B. Mucous retention cyst
C. Pleomorphic adenoma
D. Rupture of the cyst

# Parotid fatty change is a sign of :
A. Aging
B. Alcoholism
C. Malnutrition
D. None of the above

# Which tumor does not occur in minor salivary gland ?
A. Pleomorphic adenoma
B. Adenocarcinoma
C. Mucoepidermoid carcinoma
D. Warthin's tumor

# Leafless fruit laden tree or cherry-blossom appearance on a sialogram indicates :
A. Mucoepidermoid cell carcinoma
B. Acinar cell carcinoma
C. Sjogren's syndrome
D. Pleomorphic adenoma

# Sjogren's syndrome includes all except :
A. Xerostomia
B. Keratoconjunctivitis
C. Arthritis
D. Lymphoma

# Tender submandibular swelling is mostly due to:
A. Ludwig's angina
B. Stone or Sialolithiasis
C. Enlarged lymph nodes
D. All of the above

# Dilation of the salivary duct secondary to epithelial atrophy as a result of repeated inflammatory or infectious process is :
A. Sialodochitis
B. Sialadenitis
C. Sialolithiasis
D. Mucocele

# Saliva is increased by:
A. Cholinergic drugs
B. Anticholinergic drugs
C. Adrenergic drugs
D. None of the above


# The recurrence of pleomorphic adenoma is attributed to:
A. Presence of an incomplete capsule
B. Mixed origin
C. Absence of capsule
D. Perineural spread

# Xerostomia, enlargement of salivary and lacrimal glands is seen in:
A. Sicca syndrome
B. Sjogren's syndrome
C. Mickulicz's disease
D. None of the above

# Salivary gland aplasia is seen in:
A. Hemifacial microstomia
B. LADD syndrome
C. Mandibulo-facial dysostosis (Treacher Collins)
D. All of the above

# Acinic cell carcinomas of the salivary gland arise most often in the:
A. Parotid salivary gland
B. Minor salivary glands
C. Submandibular salivary glands
D. Sublingual salivary glands

# All of the following is the extraglandular manifestation of primary Sjogren's syndrome except:
A. Raynaud's phenomenon
B. Arthritis
C. Lymphoma
D. Thrombocytopenia

# Mixed tumors of the salivary glands are:
A. Most common in submandibular gland
B. Usually malignant
C. Most common in the parotid gland
D. Associated with calculi

# "Xerostomia" is seen in all of the following except :
A. Anticholinergic drugs
B. Dehydration
C. Sjogren's syndrome
D. Oral sepsis

# Cribriform, honeycomb or swiss cheese histology pattern is seen in:
A. Adenoid cystic carcinoma
B. Pleomorphic adenoma
C. Acinic cell carcinoma
D. Clear cell carcinoma

# Commonest salivary gland tumor in children :
A. Lymphoma
B. Pleomorphic adenoma
C. Adenoid cystic carcinoma
D. Mucoepidermoid carcinoma

# Adenolymphoma refers to:
A. Adenocarcinoma
B. Adenocystic lymphoma
C. Warthin's tumor
D. Pleomorphic adenoma

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MCQs on Diseases of Salivary Glands - Oral Pathology Part 1

# Salivary gland stone most commonly involves:
A. Submandibular gland
B. Parotid gland
C. Sublingual glands
D. Lingual glands

# In the clinical evaluation, the most significant finding of the parotid mass may be accompanying:
A. Rapid progressive painless enlargement
B. Nodular consistency
C. Supramental and preauricular lymphadenopathy
D. Facial paralysis

# Which of the following statements is false?
A. A salivary duct obstruction can cause a unilateral swelling in the floor of the mouth that is largest before a meal and smallest after a meal
B. A lesion termed as ranula is associated with the sublingual salivary gland
C. The sublingual salivary gland is the most common site of salivary gland neoplasia
D. A pleomorphic adenoma is the most common salivary gland neoplasm

# Warthin's tumor is :
A. An adenolymphoma of the parotid gland
B. A pleomorphic adenoma of the salivary gland
C. Carcinoma of the parotid gland
D. None of the above

# The common site for necrotising sialometaplasia is :
A. Cheeks
B. Dorsum of tongue
C. Palate
D. Gingiva

# Pleomorphic adenoma arises from:
A. Myoepithelial cells
B. Acinar cells
C. Connective tissue
D. Stem cells

# Most common salivary gland malignant neoplasm in bones is :
A. Pleomorphic adenoma
B. Adenoid cystic carcinoma
C. Mucoepidermoid carcinoma
D. Adenolymphoma

# Mikulicz's disease is :
A. An inflammatory disease
B. Neoplastic disease
C. An autoimmune disease
D. Viral infection

# Bimanual palpation technique is carried out for:
A. Submandibular gland
B. Sublingual gland
C. Ranula
D. Cervical lymph nodes when they are enlarged due to inflammation

# Non inflammatory , non neoplastic enlargement of the salivary gland is termed as:
A. Sialadenitis
B. Sialosis
C. Ptyalism
D. Sialorrhoea

# Most common tumor of salivary gland is :
A. Pleomorphic adenoma
B. Adenoid cystic carcinoma
C. Cylindrioma
D. Epidermoid carcinoma

# A painful crater-like 1.5 cm ulcer develops within one week on the hard palate mucosa of a 40 year old female. The most likely diagnosis is :
A. Actinomycosis
B. Squamous cell carcinoma
C. Pleomorphic adenoma
D. Necrotizing sialometaplaisa

# A condition of the mouth which increases the caries activity in the oral cavity is :
A. Xerostomia
B. Malignancy
C. Hairy tongue
D. Watery saliva

# Which of the following parotid malignancy shows perineuronal spread ?
A. Pleomorphic adenoma
B. Adenoid cystic carcinoma
C. Warthin's tumor
D. Ductal papilloma

# Which of the following is of salivary gland origin ?
A. Acinic cell carcinoma
B. Granular cell myoblastoma
C. Chondrosarcoma
D. All of the above

# Reduction in flow of saliva is not generally seen in :
A. Elderly diabetics
B. Patient undergoing radiation therapy
C. Patients suffering from parkinsonism
D. Patients on phenothiazine drugs

# Sialography is used to detect anomaly of:
A. Salivary duct only
B. Salivary gland
C. Salivary gland and duct
D. Salivary gland tumors

# Acute non suppurative sialadenitis is seen in:
A. Acute bacterial sialadenitis
B. Mumps
C. Chronic bacterial sialadenitis
D. Necrotizing sialometaplasia

# A cyst occurs under the tongue, caused by obstruction of a salivary gland. Such a cyst is called :
A. Mucocele
B. Ranula
C. Dermoid cyst
D. Dentigerous cyst

# Mucocele most commonly arise as a result of :
A. Rupture of a salivary gland
B. Partial or complete compression of the salivary acini
C. Inflammatory changes in the glandular interstitial tissue
D. Partial or complete obstruction of the salivary duct by calculus

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