1C Salivation

Question 1

what are the three glands in the mouth

Answer 1

parotid
submandibular
sublingual

Question 2

what is the normal range of salivation volume

Answer 2

800-1500 ml

Question 3

what are the causes of Xerostomia (5)

Answer 3

Medication (main cause)
sjogrens syndroms (autoimmune)
HIV/AIDS
Diabetes
parkinson's disease

Question 4

What is the basic structure of a salivary gland made up of

Answer 4

Acinus
intercalated duct
striated ducts

Question 5

what is each acinus surrounded by

Answer 5

myoepithelial cells

Question 6

what are the three classifications of acini

Answer 6

Serous
mucous
mixed

Question 7

what type of gland is the parotid gland, and what daily percentage of saliva is produced

Answer 7

Serous, 25%

Question 8

what type of gland is the submandibular gland, and what daily percentage of saliva is produced

Answer 8

mixed, 71%

Question 9

what type of gland is the sublingual gland, and what daily percentage of saliva is produced

Answer 9

mucous, 3-4%

Question 10

what type of gland is the minor gland, and what daily percentage of saliva is produced

Answer 10

mucous, trace

Question 11

________ ______ drains the parotid gland and is located near the _______ _______ _______

Answer 11

Stenson’s duct, upper second molar

Question 12

_____ _______ drains the submandubular gland and is located at the base of under structure of the _____

Answer 12

Wharton’s duct, Tongue

Question 13

what is saliva composed of

Answer 13

99.5% water, 0.5% electrolytes and protiens

Question 14

what three proteins are located in Saliva

Answer 14

salivary Alpha-amylase (carbs)
lungual lipase (Lipids in stomach)
Mucins (lubricates food)

Question 15

Salivary alpha-amylase ________ INTERNAL ________ linkages only

Answer 15

hydrolyzes, alpha 1,4

Question 16

what three “specialized constituents” of saliva have antibacterial actions

Answer 16

Lysozyme ( attack bacterial cell wall)
lactoferrin (chelates iron)
Immunoglobulin A (viruses and bacteria)

Question 17

what are three benefits of normal oral cavity flora

Answer 17

• prevents colonization by pathogens
• may antogonize other vacteria through the production of substances which inhibit or kill non-indigenous species
• stimulate the production of cross reactive antibodies

Question 18

at what acidity will demineralization of enamel occur

Answer 18

Below 5.5 pH

Question 19

Salivary secretion is under ______ _______

Answer 19

Neural control

Question 20

what agents block salivary secretion

Answer 20

Atropine and other cholinergic

Question 21

would the sympathetic or parasympathetic system cause dry mouth

Answer 21

sympathetic

Question 22

what causes salivation according to Pavlov’s experiment

Answer 22

Sight, smell or thought of food