Lesson completed.

You got 7 of 8 possible points.
Your score was: 88 %

Well done!

Question Results

Score 1 of 1

Question:

CASK microscopy MDL

Response:

Esophageal glands are located:

AnswersYour AnswerCorrect
in the submucosa
in the serosa
in the adventitia
in the muscularis externa
Score 1 of 1

Question:

CASK microscopy MDL

Response:

Cells which secrete pepsinogen into the stomach are called:

AnswersYour AnswerCorrect
Kupffer cells
Chief (zymogenic) cells
Parietal cells
Goblet cells
Score 1 of 1

Question:

CASK microscopy MDL

Response:

The muscularis externa in the stomach differs from that of other GI segments in that it has three layers of muscle instead of two.

AnswersYour AnswerCorrect
True
False
Score 1 of 1

Question:

CASK microscopy MDL

Response:

Enteroendocrine cells, an inconspicuous but important epithelial cell type, occur:

AnswersYour AnswerCorrect
only in the stomach (especially its pyloric region)
only in the colon
mainly in the stomach (especially its pyloric region) and in the small intestine, but also elsewhere along the GI tract
only in the small intestine
Score 0 of 1

Question:

CASK microscopy MDL

Response:

The jejunum is characterized by the presence of numerous large folds in the submucosa, called plicae circulares (valves of Kerckring).

AnswersYour AnswerCorrect
True
False
Score 1 of 1

Question:

CASK microscopy MDL

Response:

Gastric glands are located:

AnswersYour AnswerCorrect
in the muscularis externa
in the serosa
in the submucosa
in the mucosa
Score 1 of 1

Question:

CASK microscopy MDL

Response:

The epithelium lining the esophagus is:

AnswersYour AnswerCorrect
simple squamous, for rapid diffusion across the epithelium
stratified squamous, nonkeratinized, for protection
simple cuboidal, like that of most other tubular structures
simple columnar for secretion and active absorption
Score 1 of 1

Question:

CASK microscopy MDL

Response:

Taenia coli are:

AnswersYour AnswerCorrect
compact regions of lymphoid tissue in the large intestine
submucosal glands of the large intestine
sites of mucosal folding into the lumen of the large intestine
discrete bands of longitudinal muscle along the large intestine