Salivary Glands

Question 0

Deficiency in saliva would cause? (2)

Answer 0

• Difficulty in eating, swallowing, speech
• Prone to infection and caries

Question 1

The most important function of the salivary glands?

Answer 1

To maintain the well being of the mouth

Question 2

Production rate of saliva per hour?

Per day?

Answer 2

200ml/hr

1-1.5L/day

Question 3

Component of saliva?

Answer 3

99. 5% water
100. 5% organic and inorganic

Question 4

A major salivary enzyme that helps digest carbohydrate?

Answer 4

Amylase or ptyalin

Question 5

pH of saliva?

Answer 5

5.6-7.6 (6.8)

Question 6

Functions of saliva? (6)

Answer 6

• Protection
• Buffering
• Digestion
• Taste
• Antimicrobial
• Maintenance of tooth integrity

Question 7

Provides lubrication and forms a barrier against noxious stimuli and minor trauma?

Answer 7

Mucin

Question 8

Formed by calcium binding proteins which serves as a coating over the teeth?

Answer 8

Salivary pellicle

Question 9

Which content of saliva provides barrier? Serous or mucous?

Answer 9

Mucous

Question 10

Salivary content which agglutinates bacteria?

Answer 10

Antibodies

Question 11

Hydrolyses the cell wall of bacteria?

Answer 11

Lysozyme

Question 12

Binds to iron to make them unavailable to microorganism?

Answer 12

Lactoferrin

Question 13

Enamel maturation?

Answer 13

• Low permeability
• Hight resistance to caries
• High surface hardness

Question 14

Classification of salivary glands according to nature of secretion?

Answer 14

Exocrine

Question 15

Classification of salivary glands according to behavior?

Answer 15

Merocrine

Question 16

Classification of salivary glands according to morphology?

Answer 16

Compound tubuloacinar

Question 17

Classification of salivary glands according to type of secretory cells? (3)

Answer 17

• Purely serous
• Purely mucous
• Mixed

Question 18

How do you describe the secretion of saliva?

Answer 18

Intermittent

Question 19

Parotid duct?

Answer 19

Stensen’s duct

Question 20

Submandibular duct?

Answer 20

Wharton’s duct

Question 21

Sublingual duct?

Answer 21

Bartholin’s duct or Rivinian duct

Question 22

Submandibular gland:

Type of secretion?

Amount?

Origin?

Development?

Answer 22

• Mixed: 3/4 serous, 1/4 mucous
• 60-65%
• Endoderm
• 6th week

Question 23

Sublingual gland:

Type of secretion?

Amount?

Origin?

Development?

Answer 23

• Mixed: 2/3 mucous, 1/3 serous
• 10%
• Endoderm
• 8-12th week

Question 24

Parotid gland: Type of secretion? Amount? Origin? Development?

Answer 24

* Serous * 25% * Ectoderm * 4-6th week

Question 25

It produces the highest amount of saliva?

Answer 25

Submandibular gland

Question 26

Intrinsic glands that discharge saliva continuously?

Answer 26

Minor salivary glands

Question 27

Minor salivary glands are found in what layer?

Answer 27

Lamina propria or submucosa

Question 28

Function of minor salivary glands?

Answer 28

To keep the mucosa moist

Question 29

Serous of mucous: labial glands?

Answer 29

Predominantly serous

Question 30

Serous or mucous: buccal glands?

Answer 30

Predominantly mucous

Question 31

Serous or mucous: palatine glands?

Answer 31

Purely mucous

Question 32

Glands found in the anterior fold of tissue in front of palatine tonsil?

Answer 32

Glossopalatine glands

Question 33

Serous or mucous: glossopalatine glands?

Answer 33

Purely mucous

Question 34

3 classes of salivary ducts?

Answer 34

* Intercalated ducts * Striated ducts * Terminal excretory ducts

Question 35

Cells lining the intercalated ducts?

Answer 35

Low cuboidal cells

Question 36

Cells lining the striated ducts?

Answer 36

Columnar cells with microvilli

Question 37

What makes the appearance of striated ducts?

Answer 37

Infolded basal membrane

Question 38

Ducts which makes the secretion a more hypotonic solution?

Answer 38

Striated ducts

Question 39

Ducts found within the connective tissue septa?

Answer 39

Excretory ducts

Question 40

Lining cells of the excretory ducts?

Answer 40

Pseudotratified columnar, with stratified columnar

Question 41

Ducts that alters the electrolyte concentration of saliva?

Answer 41

Excretory ducts

Question 42

Cells of the salivary glands? (4)

Answer 42

* Serous cells * Mucous cells * Myoepithelial cells * Serous demilune

Question 43

Cells that secrete mostly protein?

Answer 43

Serous cells

Question 44

Serous cells contain \_\_\_\_\_\_? Mucous cells contain \_\_\_\_\_\_?

Answer 44

Zymogen granules Mucin

Question 45

Precursor of amylase?

Answer 45

Zymogen granules

Question 46

Cells high in carbohydrates?

Answer 46

Mucous cells

Question 47

The secretory material of mucous cells is contained in?

Answer 47

Mucigen droplets

Question 48

Octopus like cells surrounding the acini?

Answer 48

Myoepithelial cells

Question 49

It gently squeezes the acini to aid in the secretory process?

Answer 49

Myoepithelial cells

Question 50

Crescent shaped cells capping some mucous acini?

Answer 50

Serous demilune

Question 51

Glands that flushes out debris from the furrow of taste buds?

Answer 51

Von ebners gland

Question 52

Serous or mucous: von ebner's gland?

Answer 52

Serous

Question 53

Age changes in salivary glands? (4)

Answer 53

* More adipose * More fibrosis * Accumulation of lymphocytes * Presence of oncocytes

Question 54

True or false. Oncocytes may be found in excretory ducts?

Answer 54

False. Only in acini, intercalated and striated ducts

Question 55

These cells may give rise to neoplasms?

Answer 55

Oncocytes

Question 56

Epithelial cells characterized by an excessive amount of mitochondria?

Answer 56

Oncocytes

Question 57

Amount of saliva secreted during the night?

Answer 57

10ml

Question 58

True or false. Decrease in saliva flow rate can cause calculus which can result to caries and periodontal disease?

Answer 58

True

Question 59

Salivary stones?

Answer 59

Sialoliths

Question 60

Where does sialoliths frequently occurs?

Answer 60

In submandibular ducts

Question 61

Saliva-filled cysts formed due to obstruction of salivary ducts?

Answer 61

Retention cysts

Question 62

Retention cysts mostly found in minor salivary glands?

Answer 62

Mucocele

Question 63

Retention cysts found in the floor of the mouth?

Answer 63

Ranula

Question 64

Which is bigger: mucocele or ranula?

Answer 64

Ranula

Question 65

Radiographs for salivary glands and ducts?

Answer 65

Sialogram

Question 69

Serous or mucous: which is darker?

Answer 69

Serous