Pregunta 1
Pregunta
What are the major salivary gland?
Respuesta
-
Parotid gland
-
Sublingual gland
-
Submandibular gland
-
Buccal gland
-
Labial gland
-
Lingual gland
-
Palatine gland
Pregunta 2
Pregunta
The major salivary gland include both paired and unpaired glands.
Pregunta 3
Pregunta
What is the shape of the major salivary gland?
Pregunta 4
Pregunta
What is the shape of the acessory (minor) salivary gland?
Pregunta 5
Pregunta
The accesory salivary glands also include paired glands.
Pregunta 6
Pregunta
Major salivary gland secretion is [blank_start]regulated[blank_end] by [blank_start]local and central nervous reflexes[blank_end] which are stimulated by [blank_start]mechanical[blank_end] as well as by [blank_start]olfactory[blank_end] or [blank_start]psychic[blank_end] stimuli.
Respuesta
-
regulated
-
Continous
-
Spontaneous
-
local and central nervous reflexes
-
Local and spinal nervous reflexes
-
Peripheral and axon reflex
-
mechanical
-
Chemical
-
Physical
-
olfactory
-
Pressure
-
Temperature
-
Pain
-
psychic
-
Heat
-
Pressure
-
Moisture
Pregunta 7
Pregunta
Minor salivary glands secrete [blank_start]continuously[blank_end] to [blank_start]moisten[blank_end] and [blank_start]lubricate[blank_end] the oral cavity.
Respuesta
-
lubricate
-
continuously
-
moisten
Pregunta 8
Pregunta
The salivary gland is generally constructed of a [blank_start]stroma[blank_end] and [blank_start]parenchyma[blank_end].
Pregunta 9
Pregunta
The stroma consist of
Pregunta 10
Pregunta
Connective tissue capsule covers the gland and is avascular.
Pregunta 11
Pregunta
CT septa arise from the capsule and divide the gland into [blank_start]lobes[blank_end] and smaller [blank_start]lobules[blank_end].
Pregunta 12
Pregunta
What is the function of reticular CT in the salivary gland? [blank_start]Support the secretory unit[blank_end] and [blank_start]duct[blank_end] of the gland.
Pregunta 13
Pregunta
[blank_start]Acinus[blank_end] is a group of [blank_start]secretory cells[blank_end] surrounding a lumen and resting on a [blank_start]basement membrane[blank_end].
Respuesta
-
Acinus
-
secretory cells
-
basement membrane
Pregunta 14
Pregunta
The acinus is separated from the myoepithelial cells by a basement membrane.
Pregunta 15
Pregunta
What is another name for myoepithelial cells?
Respuesta
-
Basket cells
-
Pericytes
-
Goblet cell
-
Von Ebner's
Pregunta 16
Pregunta
Myoepithelial cells are [blank_start]stellate[blank_end] epithelial cells with [blank_start]many process[blank_end] which surround the acini and ducts.
Respuesta
-
stellate
-
Polyhedral
-
Rounded
-
Low cuboidal
-
Many processes
-
Few processes
-
Many invaginations
-
Many papillae
Pregunta 17
Pregunta
Basket cells contain [blank_start]actin[blank_end] and [blank_start]myosin[blank_end] to contract and squeeze the secretion from the acini.
Pregunta 18
Pregunta
Mucous acini secrete glycoprotein secretion.
Pregunta 19
Pregunta
Which are the mucous acini?
Respuesta
-
Sublingual
-
Palatine
-
Parotid
-
Von Ebner's
-
Submandibular
Pregunta 20
Pregunta
Which are the serous acini?
Respuesta
-
Sublingual
-
Palatine
-
Parotid
-
Von Ebner's
-
Submandibular
Pregunta 21
Pregunta
Which are the mixed acini?
Respuesta
-
Submandibular
-
Sublingual
-
Parotid
-
Von Ebner's
Pregunta 22
Pregunta
Submandibular gland is the only mixed acini.
Pregunta 23
Pregunta
Mucous acinus appear [blank_start]large[blank_end], [blank_start]pale[blank_end] and [blank_start]oval[blank_end] with a [blank_start]wide[blank_end] lumen.
Pregunta 24
Pregunta
Each mucous acini is lined by [blank_start]cuboidal[blank_end] cells with [blank_start]flattened[blank_end], [blank_start]basal[blank_end] nuclei and [blank_start]pale[blank_end] [blank_start]vacuolated[blank_end] cytoplasm.
Respuesta
-
cuboidal
-
flattened
-
basal
-
pale
-
vacuolated
Pregunta 25
Pregunta
The secretory cells of mucous acini are surrounded by few basket cells.
Pregunta 26
Pregunta
The secretory cells of mucous acini are surrounded by [blank_start]numerous[blank_end] basket cells to help the drainage of the [blank_start]thick mucous[blank_end] into the ducts.
Respuesta
-
numerous
-
few
-
thick mucous
-
watery secretion
Pregunta 27
Pregunta
Serous acini produce [blank_start]watery secretion[blank_end] rich in [blank_start]salts[blank_end] and [blank_start]digestive enzymes[blank_end].
Respuesta
-
watery secretion
-
thick mucous
-
salts
-
glycoprotein
-
digestive enzymes
-
fat droplets
Pregunta 28
Pregunta
The serous acinus appears [blank_start]small[blank_end], [blank_start]deeply stained[blank_end] and [blank_start]rounded[blank_end] with [blank_start]narrow[blank_end] lumen.
Respuesta
-
small
-
deeply stained
-
rounded
-
narrow
Pregunta 29
Pregunta
Each serous acinus is lined by [blank_start]pyramidal[blank_end] cells having [blank_start]round[blank_end] nuclei and basal [blank_start]basophilic[blank_end] cytoplasm (^ RER) with apical [blank_start]acidophilic[blank_end] secretory granules.
Respuesta
-
pyramidal
-
round
-
basophilic
-
acidophilic
Pregunta 30
Pregunta
Characteristic of mucous acini:
Respuesta
-
Large
-
Pale
-
Oval
-
Wide lumen
-
Small
-
Deeply stained
-
Rounded
-
Narrow lumen
Pregunta 31
Pregunta
Secretory cells of serous acini have acidophilic basal cytoplasm and basophilic apical cytoplasm.
Pregunta 32
Pregunta
Characteristic of serous acini:
Respuesta
-
Small
-
Deeply stained
-
Rounded
-
Narrow lumen
-
Large
-
Pale
-
Oval
-
Wide lumen
Pregunta 33
Pregunta
Characteristic for secretory cells of mucous acini:
Respuesta
-
Cuboidal cells
-
Flattened nuclei
-
Basal nuclei
-
Pale vacuolated cytoplasm
-
Pyramidal cells
-
Round nuclei
-
Basal basophilic cytoplasm
-
Apical acidophilic cytoplasm
Pregunta 34
Pregunta
Characteristic for serous secretory cells
Respuesta
-
Pyramidal cells
-
Rounded nuclei
-
Basal basophilic cytoplasm
-
Apical acidophilic cytoplasm
-
Cuboidal cells
-
Flattened nuclei
-
Basal nuclei
-
Pale vacuolated cytoplasm
Pregunta 35
Pregunta
The secretory cells of serous acini is surrounded by [blank_start]few[blank_end] basket cells.
Pregunta 36
Pregunta
Mixed acinus appears as [blank_start]mucous[blank_end] acinus with a [blank_start]cap of serous[blank_end] cells ([blank_start]serous demilunes[blank_end]).
Respuesta
-
mucous
-
cap of serous
-
serous demilunes
Pregunta 37
Pregunta
Serous demilunes is an artifact of fixation.
Pregunta 38
Pregunta
The appearance of mixed acinus is an [blank_start]artifact of fixation[blank_end] caused by [blank_start]expansion[blank_end] of the [blank_start]mucous[blank_end] cells with [blank_start]displacement[blank_end] of the [blank_start]serous[blank_end] cells from their original position.
Respuesta
-
artifact of fixation
-
expansion
-
mucous
-
displacement
-
serous
Pregunta 39
Pregunta
Serous demilunes is cause by expansion of serous cells and displacement of mucous cells.
Pregunta 40
Pregunta
Intralobular duct:
1. [blank_start]Intercalated[blank_end] duct
2. [blank_start]Secretory striated[blank_end] duct
Respuesta
-
Intercalated
-
Secretory striated
Pregunta 41
Pregunta
Intercalated duct drain the [blank_start]secretory acinus[blank_end] and are lined by [blank_start]low cuboidal[blank_end] cells.
Respuesta
-
secretory acinus
-
low cuboidal
Pregunta 42
Pregunta
Secretory striated duct have [blank_start]wide[blank_end] lumen lined by [blank_start]cuboidal[blank_end] to [blank_start]columnar[blank_end] cells with [blank_start]rounded[blank_end] nuclei and [blank_start]eosinophilic striated[blank_end] cytoplasm.
Respuesta
-
wide
-
cuboidal
-
columnar
-
rounded
-
eosinophilic striated
Pregunta 43
Pregunta
Interlobular ducts are lined by [blank_start]tall columnar[blank_end] epithelium.
Pregunta 44
Pregunta
Interlobar ducts are lined by [blank_start]pseudostratified columnar[blank_end] epithelium.
Pregunta 45
Pregunta
The main duct is lined by [blank_start]non-keratinized stratified squamous[blank_end] epithelium.
Pregunta 46
Pregunta
Capsule & septa:
Parotid gland - [blank_start]thick[blank_end]
Submandibular gland - [blank_start]moderately thick[blank_end]
Sublingual gland - [blank_start]thin capsule[blank_end] & relatively [blank_start]well developed septa[blank_end]
Respuesta
-
thick
-
thin
-
moderately thick
-
thicker
-
thin capsule
-
thick capsule
-
well developed septa
-
underdeveloped septa
Pregunta 47
Pregunta
Secretory acini:
Parotid - [blank_start]100% serous[blank_end]
Submandibular - [blank_start]80% serous[blank_end] [blank_start]20% mucous[blank_end]
Sublingual - [blank_start]99% mucous[blank_end] [blank_start]1% serous[blank_end]
Respuesta
-
100% serous
-
100% mucous
-
80% serous
-
80% mucous
-
70% serous
-
20% mucous
-
20% serous
-
30% mucous
-
99% mucous
-
90% mucous
-
90% serous
-
99% serous
-
1% serous
-
1% mucous
-
10% serous
-
10% mucous
Pregunta 48
Pregunta
Intralobular ducts:
Parotid
- [blank_start]long[blank_end]
- [blank_start]50%[blank_end] secretory striated duct
Submandibular
- [blank_start]moderately long[blank_end]
- [blank_start]80%[blank_end] secretory striated duct
Sublingual
- [blank_start]very short[blank_end]
- [blank_start]99%[blank_end] secretory striated duct
Respuesta
-
long
-
50%
-
moderately long
-
80%
-
very short
-
99%
Pregunta 49
Pregunta
Name the labelled structure
Pregunta 50
Pregunta
Identify structure
Pregunta 51
Pregunta
Identify structure