MCQs on Oral Histology - Salivary Glands


# The normal pH of saliva is about:
A. 5.5
B. 9.5
C. 7.5
D. 8.5

# Of the total amount of saliva secreted by all the salivary glands, about 60% is secreted by :
A. Parotid glands
B. Sublingual glands
C. Submandibular glands
D. None of the above

# The basket cells are also known as :
A. Myoepithelial cells
B. Endothelial cells
C. Parenchymal cells
D. None of the above

# The three bilaterally paired major salivary glands are located :
A. Extraorally
B. Intraorally
C. In tongue
D. In neck

# The parotid glands open through the :
A. Stensen's duct
B. Wharton's duct
C. Bartholin's duct
D. Blandin's duct

# The saliva is neutralised due to:
A. Mucin
B. Ammonia
C. Amino acids
D. Bicarbonates

# Among various glands, salivary gland secretion is unique in that, its secretions are controlled by:
A. Hormones
B. Nerves
C. Chemicals
D. All of the above

# The content of saliva include all except:
A. Amylase
B. Urea
C. Lysoenzyme
D. Lipase

# The ducts of glands opening into the floor of the mouth are :
A. Submandibular and sublingual
B. Submandibular and parotid
C. Sublingual and parotid
D. Von Ebner


# Sublingual gland is a :
A. Mixed gland
B. Serous gland
C. Mucous gland
D. Present in root of tongue

# Bartholin's duct is the name of:
A. Parotid duct
B. Submandibular duct
C. Sublingual duct
D. Lacrimal duct

# The glands of Blandin and Nuhn are:
A. the posterior lingual glands
B. the anterior lingual glands located near the apex of the tongue
C. the glossopalatine glands
D. the palatine glands

# A purine which is found in saliva is :
A. Uric acid
B. Thymine
C. Adenosine
D. Hypolithinium

# Which of the folowing is not found in saliva?
A. Lysozyme
B. Phosphate
C. Bicarbonate
D. Trypsin

# Mucin in mucous cells are usually demonstrated by:
A. PAP stain
B. H and E stain
C. Mucicarmine stain
D. Mallory stain

# The functions of myoepithelial cells may be:
A. Initiating contraction
B. Support for the end piece during active secretion of saliva
C. Provide signals to the acinar secretory cells for structural reorganization
D. All of the above

# Myoepithelial cells are present in:
A. Striated duct
B. Intercalated duct and terminal duct
C. Serous cells
D. Mucous cells

# Carmalt's glands are:
A. Major salivary glands
B. Minor salivary glands(Retromolar)
C. Minor salivary glands (lingual)
D. Taste buds


# On passing from acini to ductal orifices after ductal modifications, saliva becomes _________ as compared to plasma.
A. Hypertonic sometimes
B. Hypotonic
C. Isotonic
D. Hypertonic always

# Tuft cells are receptors seen on:
A. Cell rich zone
B. Lining of maxillary sinus
C. Salivary duct
D. TMJ capsule

# The parotid gland opens:
A. on the floor of the mouth
B. at the side of the lingual frenum
C. at the caruncula
D. on the buccal mucosa opposite the maxillary second molar

# Which of the following is purely serous in nature?
A. parotid and Von ebner's glands
B. Palatine glands only
C. Glossopalatine glands
D. Lingual glands

# The total volume of saliva secreted daily is :
A. 750 ml
B. 1.5 liters
C. 2 liters
D. 3 liters

# Largest amount of saliva is produced by :
A. Submandibular glands
B. Sublingual Glands
C. Parotid glands
D. Von ebner Glands

# The immunoglobulin present in saliva is:
A. IgG
B. IgA
C. IgM
D. IgE

# Salivary glands are not found in:
A. Anterior part of the hard palate
B. Posterior part of the hard palate
C. In mandible posterior to the 3rd molar
D. Nasopalatine canal

# Which of the following is purely mucous?
A. Palatine glands
B. Glossopalatine glands
C. Posterior lingual mucous glands
D. All of the above

# The minor salivary glands begin their development in fetal life during :
A. 1st month
B. 2nd month
C. 3rd month
D. 4th month

# Salivary flow is reduced in:
A. Sjogren's syndrome
B. Xerostomia
C. Inflammation of glands
D. All of the above

# The severance of duct of minor salivary glands and pooling of saliva in the tissues is called as:
A. Ranula
B. Congenital Epulis
C. Mucocele
D. Sialadenitis

# The pH of whole saliva is :
A. 1.2 - 2.4
B. 3.0 - 5.6
C. 6.7 - 7.4
D. 7.0 - 8.2


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