26.2 (Oral Cavity) Flashcards

1
Q

The upper GI tract is where

A

glands secrete their secretion

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2
Q

The Upper GI Tract consists of

A

oral cavity ,pharnyx , esophagus, stomach, duodenum

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3
Q

Ingestion , Mechanical and Chemical processes occur in the Lower GI Tract

A

False

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4
Q

Oral cavity houses what glands

A

Salivary Glands

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5
Q

The salivary glands within the oral cavity mix with food to form

A

bolus

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6
Q

Within salvia is an enzyme. That enzyme is charge of breaking down starch

A

Amylase

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7
Q

The mucus in the pharynx is a lubricant for what function

A

swallowing

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8
Q

What is being moved throughout the GI tract before reaching the stomach?

A

Bolus

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9
Q

Bolus has just been transported to the esophagus;; where does it go after this stage?

A

Stomach

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10
Q

Bolus mix with to help with musclaris contracting

A

gastric secretions

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11
Q

The secretions ends up in what tunic layer of the stomach

A

lumen

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12
Q

What makes up the gastric secretions?

A

Hydro chloric acid, digestive enzymes, and mucin

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13
Q

The oral cavity houses

A

2 cavities

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14
Q

What are the two oral cavities?

A

oral vestibule and oral cavity proper

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15
Q

Oral Vestibule is housed

A

between gums,lips,teeth

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16
Q

The Oral Cavity Proper is housed

A

middle space between teeth and gums.

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17
Q

The oral cavity boundaries include

A

cheeks, anterior by the teeth, and posterior to oropharynx

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18
Q

The cheeks are protected by the ____system

A

integumentary

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19
Q

What muscle is housed in the cheek?

A

buccinator muscle

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20
Q

The cheeks are terminated by the

A

fleshy lips

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21
Q

The lips muscles are

A

orbicularis oris muscle

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22
Q

The lips contains

A

blood vessels and lack of keratin within outer of the skin

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23
Q

Another word of Lip is

24
Q

This surface is internal to the lips

25
The palate serves as a barrier to the
nasal cavity
26
how many palates are located within the oral cavity & name them
2, Hard (Bony) & Soft (Muscular)
27
The uvula functions as
blocker to food reaching the nasopharynx
28
Fauces is a door to
oral cavity and oropharynx
29
What do tonsils functions as
lymphatic tissue
30
what tonsil is housed in the fauces?
palatine
31
The tongue is located at the
floor of the oral cavity
32
The tongue is
skeletal muscle
33
What muscles move the tongue?
Extrinsic and Intrinsic Muscles
34
The papillae on tongues are involved in
sense of taste
35
The oral cavity is lined with
stratified squamous epithelium
36
Stratified Squamous Epithelium helps with
abrasions and chewing from food
37
Salivary glands secrets
saliva
38
What are the two salivary glands?
Intrinsic Glands & Extrinsic Glands
39
Intrinsic Glands
unicellular exocrine gland
40
Extrinsic Glands
multicellular exocrine gland
41
Most salvia is produced in the
Extrinsic Glands
42
Intrinsic Glands are independent of
presence of food
43
Partoid,Submandiublar,Sublingual Glands are
Extrinsic Glands
44
Partoid is the ___ out of all glands but doesnt
largest , majority secrete salvia (25%-30%)
45
The Parotid glands secrete
salvia to the oral cavity from the parotid duct
46
Inflammation of the Parotid glands is called
Mumps
47
Submandibular salivary glands are located
inferior to the floor of oral cavity and medial to the mandible
48
This gland secrets majority of the salavia
submandibular
49
What two cells secrete components of salvia?
mucous cells and serous cells
50
Mucous Cells secrete
Mucin
51
Mucin forms
mucus upon hydration
52
Serous Cells Secrete
watery fluids containing salivary amylase and electrolytes
53
The volume of salvia ranges from
1 to 1.5 Liters
54
Salvia is composed of
Water and Solutes
55
Functions of the Salvia
Moistened Food Breakdown starch Cleanse Oral Cavity Inhibit Bacterial Growth
56
Sympathetic Stimulation
makes salvia more thick