Science Quiz / GI Tract Histology

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Can you name the Histologic HYTQ info about the GI tract?

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classification of the mucosa of the esophagus
Inflamationof the proximal small intestine with autoantibodiesthat recognize tranglutaminaseand targeting the villiepithelial cells for cell death.
surface mucous cells secrete
In a parietal cell, Cl levels are ____ (high or low) inside the cell.
simple columnar cells that line the gastric pits
submucosal glands of the duodenum
Bcl-2 inhibits apoptosis by suppressing which molecule
these cells release hormones into the GI tract.
hormone produced in the stomach that stimulates gastric acid secretion
primary function of enterocytes
regulated secretion is targeted to which surface of a polarized epithelial cell?
In an enterocyte cell, K levels are ____ (high or low) inside the cell.
transports one or two ions or metabolites in the same or opposite directions, of which both ions travel against their gradients. This transporter hydrolyzes ATP for energy.
transports two ions or metabolites in opposite directions, of which one ion travels with its gradient and the other against its gradient.
what transports the hydrogen ions from the cytoplasm of parietal cells to the lumen of the caniculus?
these cells function in the large intestine for reabsorption or water and electrolytes
True or False: Glucose uptake in the intestines requires one symporter at the apical surface, one uniporter at the basal surface, and a H/K ATPase at the basal surface.
transports two ions or metabolites in same direction, of which one ion travels with its gradient and the other against its gradient.
cells located in the neck of the fundic gland. secretes soluble mucous
this enzyme hydrolyzes carbonic acid to hydorgen ions within parietal cells
antigen-transporting epithelial cells that overlie Peyer’s patches
which cells secrete pepsinogen?
the first, shortest and widest part of small intestine.
Secretin stimulates pancreatic secretions. What does it inhibit?
upper third of the anal canal and it contains simple columnar epithelium
QuestionAnswer
In a parietal cell, HCO3 levels are ____ (high or low) inside the cell.
True or False: HCl converts pesinogen into pepsin
intestinal absorptive cells are known as
In an enterocyte cell, glucose levels are ____ (high or low) inside the cell.
numerous nodules of lymphatic tissue in the intestine
this sphincter is formed from the striated muscle of the pelvic floor
which cells of the gastric gland produce HCl?
The submucosa is normally composed of what type of connective tissue?
which 2 portions of the GI tract contain submucosal glands?
continuation of the lower three fifths of the intestine.
thickened portion of the longitudinal layer of the muscularis externa in the large intestine
middle third of the anal canal. transition from the simple columnar epithelium to stratified squamous
this hormone stimulates insulin release and inhibits gastric acid secretion
constitutes the upper two fifths of the small intestine.
submucosal nerve plexus
the dilated distal portion of the ailmentary canal.
what binds to vitamin b12 to facilitate its absorption?
internal anal sphincter is formed from the thickening of what layer of the muscularis externa
this molecule promotes apoptosis
transports one ion or metabolite with its gradient.
_____ junctions establish a barrier between the intestinal lumen and the epithelial intercellular compartment
True or False: the primary function of the large intestine are reabsorption of electrolytes and water and elimination of undigested foods and wastes.
this molecule inhibits cell death
Cholecystokinin (CCK) ____ pancreatic secretions. (stimulates or inhibits)
nerve plexus in the muscularis externa
QuestionAnswer
unicellular mucin secreting glands
_____ consists of only connective tissue and is found where the gi tract is directly attached to adjoining structures.
In a parietal cell, H levels are ____ (high or low) inside the cell.
In a parietal cell, K levels are ____ (high or low) inside the cell.
constitutive secretion occurs on what surface in a Polarized Epithelial Cell
this layer of the GI tract consists of epithelium, lamina propria, and muscularis mucosa
programmed cell death
intestinal glands are also known as
paneth cells secrete what enzyme?
parietal cells are (eosinophilic or basophilic)?
In an enterocyte cell, Na levels are ____ (high or low) inside the cell.
this hormone inhibits gastric acid secretion and release of other GI hormones
Vasoactive inhibitory peptide (VIP) stimulates what?
lower third of the anal canal. lined with stratified sqaumous epithelium.
this layer of the GI tract consists of mesothelium and its underlying connective tissue
gastric juice is produced by
this hormone stimulates peristalsis and gastric and intestinal motility
Lamina propria is normally composed of what type of connective tissue?
inner layer of the muscularis externa
chief cells are (eosinophilic or basophilic)?
the place where stem cells of the intestinal gland divide is known as the
cells whose primary function is to maintain mucosal innate immunity by secreting antimicrobial substances
which neurotransmitter stimulates the secretion of
the actin filaments of microvilli insert into the _______ ____.
outer layer of the muscularis externa

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Created Nov 3, 2011ReportFavoriteNominate

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