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anatomy2012
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Each lymphatic nodule has a germinal center, containing many immature lymphocytes. _____
true
false
true - histology of lymph nodes page 140
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In a lymph node, B-cell lymphocytes mature in the:
capsule
trabeculae
lymph vessels
hilus
germinal centers
germinal centers
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In salivary glands, which of the following structures is composed of secretory epithelial cells?
excretory duct
capsule
lobule
acinus
septum
acinus
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Intraoral tonsillar tissue consists of
nonencapsulated masses of lymphoid tissue located in the lamina propria of the oral mucosa. _____
True
False
true
-
More than one myoepithelial cell can
sometimes be found on a single acinus.
True
False
true
-
Mucoserous acini have both a group of mucous cells surrounding the lumen and a serous demilune. _____
True
False
true
-
The lingual tonsil is an indistinct layer of diffuse lymphoid tissue located on the base of the lateral surface of the tongue. _____
True
False
false
- The lingual tonsil is an indistinct layer of diffuse lymphoid tissue located on the base of
- the dorsal surface of the tongue. <br>Intraoral Tonsillar Tissue, page 140
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The moist mucus forms a deep, invasive
system in the respiratory mucosa. ______
True
False
false
- The moist mucus forms a superficial coating on the respiratory mucosa.<br>Histology
- of Nasal Cavity Mucosa, page 141
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The nasal cavity is lined by a respiratory mucosa, like the rest of the respiratory system. _____
True
False
true
-
The palatine tonsils are four rounded masses of variable size located between the anterior and posterior faucial pillars. _____
True
False
-
The reduction in the amount of saliva noted in patients with dry mouth is called:
dysplasia
cystic transformation
hyposalivation
ossification
hyposalivation
-
Tissue fluid drains from the surrounding region into the lymphatic vessels as lymph.
True
False
true
-
Which of the following glands is unencapsulated?
submandibular gland
parotid gland
thyroid gland
sublingual gland
- sublingual gland
- major salivary glands page 135
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The secretory cells of the major salivary glands (parotid, submandibular, sublingual) are composed of:
Specialized cells derived from the mesenchyme of the oral cavity
Ingrowths of remnants of the buccopharyngeal membrane
Specialized cells dervied from endoderm
Specialized cells derived from ectoderm
Specialized cells derived from the mesenchyme of the oral cavity
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Match the following terms with their descriptors
Exocrine
Endocrine
ranula
mucocele
epithelial cells
connective tissue
Acini
Myoepithelial cells
salivary gland lesion of a minor salivary gland
clusters of secretory cells within each lobule of a salivary gland
ductless gland with its secretions conveyed directly into the blood and carried to some distant location to be used
both line the ducts of the salivary glands and produce saliva
situated on the surface of acini and have a contractile nature
salivary gland lesion of the submandibular salivary gland
gland having a duct associated with it
surrounds and supports the salivary glands
gland having a duct associated with it
ductless gland with its secretions conveyed directly into the blood and carried to some distant location to be used
salivary gland lesion of the submandibular salivary gland
salivary gland lesion of a minor salivary gland
both line the ducts of the salivary glands and produce saliva
surrounds and supports the salivary glands
clusters of secretory cells within each lobule of a salivary gland
situated on the surface of acini and have a contractile nature
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Saliva contributes to the formation of the ________ and is involved in the first step in bacterial plaque biofilm formation, supplies the minerals for ____________ formation.
- pellicle
- supragingival calculus
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Salivary glands begin development at_______ gestations, are completed by the ________ in utero and will continue to enlarge until ____ .
-
Secretions of the salivary glands are
controlled by the ________ nervous system where ________ nerves stimulate the secretion of thick, dry, ropey saliva in opposition to ___________ nerves which stimulate the secretion of thin watery profuse
saliva.
- autonomic
- sympathetic
- parasympathetic
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The Submandibular Gland and the Sublingual Gland both open into the oral cavity at: ________
sublingual caruncle
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In the nasal cavity, most of the epithelial lining is composed of:
Stratified squamous epithelium that is keratinized
Stratified ciliated columnar epithelium and cuboidal cells
Stratified squamous epithelium that is not keratinized
Pseudostratified ciliated columnar epithelium and goblet cell
Pseudostratified ciliated columnar epithelium and goblet cell
-
The narrow tube that later becomes
obliterated; shows the origin of the thyroid and the pathway of the thyroid gland's migration into the neck region: __
thryoglossal duct
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