Science Quiz / GI Tract Histology

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

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

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Created Nov 3, 2011ReportNominate

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