Salivary Glands

Question 1

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

Answer 1

C. 7.5

Question 2

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

Answer 2

C. Submandibular glands

Question 3

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

Answer 3

A. Myoepithelial cells

Question 4

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

Answer 4

A. Extraorally

Question 5

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

Answer 5

A. Stensen’s duct

Question 6

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

Answer 6

D. Bicarbonates

Question 7

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

Answer 7

B. Nerves

Question 8

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

Answer 8

D. Lipase

Question 9

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

Answer 9

A. Submandibular and sublingual

Question 10

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

Answer 10

A. Mixed gland

Question 11

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

Answer 11

C. Sublingual duct

Question 12

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

Answer 12

B. the anterior lingual glands located near the apex of the tongue

Question 13

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

Answer 13

C. Adenosine

Question 14

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

Answer 14

D. Trypsin

Question 15

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

Answer 15

C. Mucicarmine stain

Question 16

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

Answer 16

D. All of the above

Question 17

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

Answer 17

B. Intercalated duct and terminal duct

Question 18

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

Answer 18

B. Minor salivary glands (Retromolar)

Question 19

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

Answer 19

B. Hypotonic

Question 20

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

Answer 20

C. Salivary duct

Question 21

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

Answer 21

D. on the buccal mucosa opposite the maxillary second molar

Question 22

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

Answer 22

A. Parotid and Von Ebner’s glands

Question 23

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

Answer 23

A. 750 ml

Question 24

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

Answer 24

A. Submandibular glands

Question 25

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

Answer 25

B. IgA

Question 26

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

Answer 26

A. Anterior part of the hard palate

Question 27

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

Answer 27

D. All of the above

Question 28

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

Answer 28

C. 3rd month

Question 29

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

Answer 29

D. All of the above

Question 30

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

Answer 30

C. Mucocele

Question 31

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

Answer 31

C. 6.7 - 7.4