Histology Final Exam- digestive system
Questions And Already Passed Answers.
structures within the digestive tract allow the following - Answer ingestion, mastication, motility,
secretion, hormone release, chemical digestion, absorption, elimination
ingestion - Answer introduction of food and liquid into the oral cavity
mastication - Answer chewing, which divides solid food into digestible pieces
motility - Answer muscular movements of materials through the tract
secretion - Answer lubricating and protecting mucus, digestive enzymes, acidic and alkaline fluids, and
bile
hormone release - Answer for local control of motility and secretion
chemical digestion - Answer enzymatic degradation of large macromolecules in food to smaller
molecules and their subunits
absorption - Answer the small molecules and water into the blood and lymph
elimination - Answer of indigestible, unabsorbed components of food
oral cavity - Answer inner surface of the lips, cheeks, soft palate, surface of tongue and floor of the
mouth
-non keratinized stratified squamous epithelium
, gingiva and hard palate - Answer keratinized stratified squamous epithelium
tongue - Answer specialized mucosa with papillae
3 salivary glands - Answer parotid, submaxillary, sublingual
parotid gland - Answer produces a serous, watery secretion
submaxillary gland - Answer produce a mixed serous and mucous secretion
sublingual gland - Answer secrete a saliva that is predominantly mucous in character
digestive tract - Answer comprised of hollow organs:
-esophagus
-stomach
-small intestine
-large intestine
digestive tract histologic organization - Answer mucosa: epithelium, lamina propria, muscularis mucosa
submucosa: connective tissue, vessels, and meissners plexuses
muscularis externa - Answer 2-3 layers of smooth muscle (plus skeletal muscle in esophagus) ,
myenteric plexus in between muscle layers
serosa and adventitia - Answer outermost layer of loose connective tissue and blood vessels
the mucosa consists of - Answer epithelium, lamina propria, muscularis mucosa (mucous membrane)
Questions And Already Passed Answers.
structures within the digestive tract allow the following - Answer ingestion, mastication, motility,
secretion, hormone release, chemical digestion, absorption, elimination
ingestion - Answer introduction of food and liquid into the oral cavity
mastication - Answer chewing, which divides solid food into digestible pieces
motility - Answer muscular movements of materials through the tract
secretion - Answer lubricating and protecting mucus, digestive enzymes, acidic and alkaline fluids, and
bile
hormone release - Answer for local control of motility and secretion
chemical digestion - Answer enzymatic degradation of large macromolecules in food to smaller
molecules and their subunits
absorption - Answer the small molecules and water into the blood and lymph
elimination - Answer of indigestible, unabsorbed components of food
oral cavity - Answer inner surface of the lips, cheeks, soft palate, surface of tongue and floor of the
mouth
-non keratinized stratified squamous epithelium
, gingiva and hard palate - Answer keratinized stratified squamous epithelium
tongue - Answer specialized mucosa with papillae
3 salivary glands - Answer parotid, submaxillary, sublingual
parotid gland - Answer produces a serous, watery secretion
submaxillary gland - Answer produce a mixed serous and mucous secretion
sublingual gland - Answer secrete a saliva that is predominantly mucous in character
digestive tract - Answer comprised of hollow organs:
-esophagus
-stomach
-small intestine
-large intestine
digestive tract histologic organization - Answer mucosa: epithelium, lamina propria, muscularis mucosa
submucosa: connective tissue, vessels, and meissners plexuses
muscularis externa - Answer 2-3 layers of smooth muscle (plus skeletal muscle in esophagus) ,
myenteric plexus in between muscle layers
serosa and adventitia - Answer outermost layer of loose connective tissue and blood vessels
the mucosa consists of - Answer epithelium, lamina propria, muscularis mucosa (mucous membrane)
