1- Organs of the GI tube
mouth, tongue
duodenum, pancreas
liver, gallbladder
esophagus, stomach

2- Not a function of the GI track
digestion
secretion
signaling
absorption

3- Layers of the GI track, in order from lumen to interstitial space.
mucosa, submucosa, muscularis, serosa
mucosa, submucosal plexus, muscularis, serosa
serosa, muscularis, submucosa, mucosa
serosa, muscularis, submucosal plexus, mucosa

4- Muscularis in this region is made of skeletal muscle.
stomach and large intestine
mouth and upper esophagus
esophagus and large intestine
mouth and large intestine

5- Signals to end peristalsis in the stomach
stretch receptors in the stomach wall
chemoreceptors in the intestinal wall
submucosal plexus
vagus nerve

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Answers:

1- Organs of the GI tube
Answer: esophagus, stomach

2- Not a function of the GI track
Answer: signaling

3- Layers of the GI track, in order from lumen to interstitial space.
Answer: mucosa, submucosa, muscularis, serosa

4- Muscularis in this region is made of skeletal muscle.
Answer: mouth and upper esophagus

5- Signals to end peristalsis in the stomach
Answer: chemoreceptors in the intestinal wall