RBHS Basic Histology Final Exam
in which of the following structures of the oral cavity would taste buds be localized in the
highest concentration? - ✔✔vallate papillae
certain antibiotic therapies slow the replacemen
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RBHS Basic Histology Final Exam
in which of the following structures of the oral cavity would taste buds be localized in the
highest concentration? - ✔✔vallate papillae
certain antibiotic therapies slow the replacement of the cells lining the small intestine. this may
cause the loss of what tissue type? - ✔✔simple columnar epithelium
the tenure coli of the large intestine represent an organ specific specialization of which layer of
the intestinal tract wall? - ✔✔muscularis externa
which of the following would most likely result from a reduction in the number of Paneth cells? -
✔✔increased number of intestinal bacteria
a medical student on a rotation in the pathology laboratory is given an unlabeled microscope
slide with tissue provided by a gastroenterologist from a cancer patient she is attending. the
mucosa and submucosa are poorly reserved, with only the thick muscularis well stained ,
showing striated fibers. the slide most likely shows a biopsy of which region of the GI tract? -
✔✔esophagus
diarrhea may result if which of the following organs fails to carry out its role in absorbing water
from the feces? - ✔✔colon
which of the following is true of the absorptive cells of the small intestine? - ✔✔synthesize
triglycerides from absorbed lipids
a 52 year old man is diagnosed with a carcinoid after an appendectomy. the enteroendocrine cells
producing this disorder differ from goblet cells in which of the following? - ✔✔the direction of
release of secretion
a 14 month old girl is brought to the pediatric dentistry clinic because her erupted deciduous
teeth are opalescent with fractured and chipped surfaces. x-rays reveal bulb shaped crowns, thin
rods and enlarged central cavities. tissue immediately surrounding one tooth's central cavity is
biopsied and prepared for histology, which reveals irregular, widely spaced tubules. which of the
following applies to this irregular tissue layer? - ✔✔it consists of mineralized collagen secreted
by cells derived from the neural crest
a 39 year old woman presents with dyspnea, fatigue, pallor, tachycardia, anosmia, and diarrhea.
laboratory results are: hematocrit 32% (normal 36.1%-44.3%), MVC 102 fL (normal 78-98 fL),
0.3% reticulocytes (normal 0.5-2.0%), 95 pg/mL vitamin B12 (normal 200-900 pg/mL), and an
abnormal stage I of the schilling test. autoantibodies are detected against a cell type located in
one region of the GI tract. in which regions would those cells be found? - ✔✔body of the
stomach
in a liver biopsy from a long time drug user which of the following hepatocyte organelles would
be expected to be more extensive than normal? - ✔✔smooth endoplasmic reticulum
which description is true of pancreatic zymogens? - ✔✔are inactive until they reach the duodenal
lumen
which process increases in response to parasympathetic stimulation of the salivary glands? -
✔✔volume of secretion
which feature is unique to the exocrine pancreas? - ✔✔centroacinar cells
which description is true of the bile canaliculi? - ✔✔lumens are entirely sealed by junctional
complexes
which description is true of the gallbladder? - ✔✔absorbs water and electrolytes
which description is true for the hepatic space of Disse? - ✔✔is directly contracted by
hepatocytes
a 50 year old woman presents to the family medicine clinic. she admits to drinking a 6 pack of
beer each day with a l
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