Saliva/Salivary Glands

Question 1

parotid gland duct

Answer 1

Stenson’s duct

Question 2

submandibular gland duct

Answer 2

Wharton’s duct

Question 3

sublingual gland duct

Answer 3

Bartholin’s duct

Question 4

percentage of total volume: parotid gland

Answer 4

25%

Question 5

percentage of total volume: submandibular gland

Answer 5

60-65%

Question 6

percentage of total volume: sublingual gland

Answer 6

10%

Question 7

type of salivary production: parotid gland

Answer 7

serous

Question 8

type of salivary production: submandibular gland

Answer 8

mixed (mostly serous)

Question 9

type of salivary production: sublingual gland

Answer 9

mixed (mostly mucous)

Question 10

minor salivary glands include…

Answer 10

lingual, labial, buccal, palatal

Question 11

physical properties of saliva

Answer 11

lubricate oral cavity, carrier

Question 12

chemical properties of saliva

Answer 12

neutralizing agent (buffers), aids in healing, anti-bacterial, excretory (ex: ANUG odor)

Question 13

daily average output of saliva

Answer 13

3 pints

Question 14

is saliva excreted continuously (day and night) or in isolated periods (only during the day)?

Answer 14

continuous

Question 15

characteristics of salivary flow

Answer 15

amount (copious vs. scanty)

viscosity (ropy vs. watery)

Question 16

composition of saliva
___% water
___% solids

Answer 16

99%, 1%

Question 17

organic solids in saliva

Answer 17

mucin, enzymes, lipids, blood clotting factors

Question 18

inorganic solids in saliva

Answer 18

salts, phosphates (buffers)

Question 19

normal pH of saliva

Answer 19

6.0-7.9

Question 20

salivary pH ____ during sleep

Answer 20

falls

Question 21

salivary pH ____ during eating

Answer 21

rises

Question 22

salivary pH ____ after eating

Answer 22

falls

Question 23

increase in salivary flow leads to a ___ in salivary pH

Answer 23

increase (due to increase in buffers)

Question 24

factors that increase flow

Answer 24

sight/smell of food, mastication, dental work, pain

Question 25

factors that decrease flow

Answer 25

fear/anxiety, sleep, fever, meds, after eating, systemic conditions

Question 26

decrease of salivary production and ongoing dry mouth

Answer 26

xerostomia

Question 27

decrease of saliva flow can lead to...

Answer 27

caries, tissue inflammation

Question 28

clinical significance of saliva

Answer 28

role in plaque and calculus formation, cleansing and retention of food

Question 29

what quality does mucin give saliva?

Answer 29

slime-like feeling