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Digestion > 1C Salivation > Flashcards

1C Salivation Flashcards

1
Q

what are the three glands in the mouth

A

parotid
submandibular
sublingual

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2
Q

what is the normal range of salivation volume

A

800-1500 ml

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3
Q

what are the causes of Xerostomia (5)

A 
Medication (main cause)
sjogrens syndroms (autoimmune)
HIV/AIDS
Diabetes
parkinson's disease
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4
Q

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

A

Acinus
intercalated duct
striated ducts

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5
Q

what is each acinus surrounded by

A

myoepithelial cells

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6
Q

what are the three classifications of acini

A

Serous
mucous
mixed

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7
Q

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

A

Serous, 25%

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8
Q

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

A

mixed, 71%

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9
Q

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

A

mucous, 3-4%

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10
Q

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

A

mucous, trace

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11
Q

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

A

Stenson’s duct, upper second molar

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12
Q

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

A

Wharton’s duct, Tongue

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13
Q

what is saliva composed of

A

99.5% water, 0.5% electrolytes and protiens

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14
Q

what three proteins are located in Saliva

A 
salivary Alpha-amylase (carbs)
lungual lipase (Lipids in stomach)
Mucins (lubricates food)
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15
Q

Salivary alpha-amylase ________ INTERNAL ________ linkages only

A

hydrolyzes, alpha 1,4

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16
Q

what three “specialized constituents” of saliva have antibacterial actions

A

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

17
Q

what are three benefits of normal oral cavity flora

A
  • 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
18
Q

at what acidity will demineralization of enamel occur

A

Below 5.5 pH

19
Q

Salivary secretion is under ______ _______

A

Neural control

20
Q

what agents block salivary secretion

A

Atropine and other cholinergic

21
Q

would the sympathetic or parasympathetic system cause dry mouth

A

sympathetic

22
Q

what causes salivation according to Pavlov’s experiment

A

Sight, smell or thought of food

Digestion (15 decks)

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