quiz on salivary glands and tonsils

Question 1

origin of salivary glands

Answer 1

ectodermal (epithelium)

Question 2

origin of the outer capsule and septa

Answer 2

CT from mesenchyme

Question 3

salivary glands consist of many____ where saliva is excreted and a system of _____, which collect and transport the saliva

Answer 3

acini

ducts

Question 4

cluster of pyramidal shaped cells that secrete into terminal collecting ducts

Answer 4

alveolus or acinus

Question 5

secretory end piece or intercalated duct

Answer 5

collected duct

Question 6

1st duct the acini encounter; on outer/terminal part of the gland

Answer 6

intercalated duct

Question 7

secrete serous saliva
nucleus is oval to round
nuclei is in the basal part of cell
protein secreting cell; filled with albumin(purple stain)

Answer 7

serous acini

Question 8

clear; not as purple
flattened nucleus in basal part of cell
contains large drops of mucin with CHOs

Answer 8

mucous

Question 9

secrete serous and mucous; in submandibular salivary gland
serous demilunes
mucous cell covered with a layer of serous cells

Answer 9

combination

Question 10

acini are arranged in lobules invested in____O

Answer 10

ct

Question 11

groups of lobules form lobes surrounded by a CT ____ containing ducts

Answer 11

septum

Question 12

divide inner part of gland into larger lobes and smaller lobules

Answer 12

septum

Question 13

the connective tissue covering the entire gland is the

Answer 13

capsule

Question 14

located on surface of acini to get saliva out of the lumen

Answer 14

myoepithelial cells

Question 15

function as muscle cells
contract the acinus to secrete saliva

Answer 15

myoepithelial cells

Question 16

has cytoplasmic processes(octopus on a rock) 4-8 radiating outward and has 1 cell body

Answer 16

myoepithelial cells

Question 17

largest
located on sides of face in front of ears(lots of adipose)
produces nearly pure serous secretion(purple)
largest, but contributes only 25% of total saliva
duct often adjacent to the maxillary 2nd molar, parotid papilla
stensons duct

Answer 17

parotid

Question 18

2nd largest
inside angle of mandible
mixed secretions (serous demilumes)
60-65% of total saliva volume(puts out most saliva)
duct opening is located in floor of mouth at sublingual caruncle
whartons duct or submandibular duct

Answer 18

submandibular

Question 19

either side of midline beneath the mucosa of anterior floor of mouth
pure mucous secretion
smallest of the major glands
unencapsulated
5-10% of total saliva volume
duct also opens in floor of mouth at sublingual caruncle; other ducts scattered in floor of mouth along sublingual fold
bartholins duct

Answer 19

sublingual gland

Question 20

empty products directly into mouth by means of short ducts; named for their location; contributes about 5-`0% of volume of saliva

Answer 20

minor salivary glands

Question 21

cheeks, mixed

Answer 21

buccal glands

Question 22

lips, mixed

Answer 22

labial glands

Question 23

posterior hard palate and soft palate, pure mucous

Answer 23

palatine glands

Question 24

tonsillar folds, pure mucous

Answer 24

glossopalatine

Question 25

tongue

Answer 25

lingual glands

Question 26

tip of tongue is

Answer 26

mixed secretions

Question 27

area of circumvallate papilla

Answer 27

serous(von ebners)

Question 28

posterior under lingual tonsillar tissue

Answer 28

mucous

Question 29

duct associated with a cluster of acinus(like stalk with grapes) tube with single layer of cuboidal cells, terminal portion

Answer 29

intercalated duct

Question 30

connected to intercalated ducts in the lobules of the gland | consists of a tube with a single layer of columnar epithelial cells with basal striations

Answer 30

striated duct

Question 31

the intercalated ducts empty into

Answer 31

striated duct

Question 32

in between lobes and lobules final portion is the excretory duct. saliva exits into the oral cavity through this duct. the excretory duct changes from stratified columnar epithelium to stratified squamous ep at the ductal opening in the oral cavity. stensons duct or whartons duct

Answer 32

interlobular excretory duct

Question 33

what ep lines the oral cavity

Answer 33

stratified squamous

Question 34

what does secretion depend on

Answer 34

gustatory(taste) and masticatory stimulation

Question 35

the major salivary protein is

Answer 35

amylase- breakdown starches

Question 36

amylase is mainly present in which gland

Answer 36

parotid(starts breakdown in mouth)

Question 37

saliva also contains

Answer 37

proteins, lysozyme and albumin

Question 38

the viscous nature of saliva is due to

Answer 38

salivary mucin, which is a mixture of glycoproteins

Question 39

how much saliva secreted each day

Answer 39

3 pints

Question 40

is saliva secretion low or high rate during sleep?

Answer 40

low

Question 41

can result in increase trauma to nonprotected oral mucosa, increase caries, problems in speech and mastication and bad breath

Answer 41

xerostomia

Question 42

lymphnode like organs; positioned at entrance of alimentary canal; germinal centers produce lymphocytes, which protect against microbes, foreign cells, and cancer cells

Answer 42

tonsils

Question 43

kills antigens directly

Answer 43

t lymphocytes

Question 44

differentiate into plasma cells which produce antibodies, namely secretory IgA

Answer 44

b lymphocytes

Question 45

ring of tonsillar tissue in the oropharynx

Answer 45

waldeyers ring

Question 46

located on the lateral wall of oropharynx bilateral contains crypts

Answer 46

palatine tonsils

Question 47

located in the midline of posterior pharyngeal wall single contains folds, not crypts

Answer 47

pharyngeal tonsils(adenoids)

Question 48

located in the midline of posterior 1/3 of tongue bilateral contains crypts

Answer 48

lingual tonsils

Question 49

involving minor salivary gland obstruction of duct bc person keeps biting lip and fills up with saliva repetitive(surgery to remove minor salivary gland to fix it)

Answer 49

mucocele

Question 50

floor of mouth(on 1 side of tongue) obstruction of submandibular salivary gland cant be removed, must be drained

Answer 50

ranula

Question 51

hard palate is whitened by hyperkeratinization due to heat from smoking or hot liquid inflammation of duct openings in minor salivary glands of the palatal area which causes their dilation (little red dots) typically pipe/cigar smokers

Answer 51

nicotinic stomatitis

Question 52

caused by dry mouth

Answer 52

fissured tongue

Question 53

blockage of salivary gland ducts can result from either ______ formation or trauma to duct opening

Answer 53

salivary stone(sialolith)