Lec 90-91
Medicine 01 with Cochard at Northwestern University
About this deck
By: Evan Davis
Created: 2010-12-06
Size: 23 flashcards
Views: 12
Created: 2010-12-06
Size: 23 flashcards
Views: 12
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From where is the parasympathetic innervation of the foregut?
Vagus nerve
From where is the parasympathetic innervation of the midgut?
Vagus nerve
From where is the parasympathetic innervation of the hindgut?
Pelvic splanchnic nerves
From where is the sympathetic innervation of the GI system?
spinal cord from T5-L3 to prevertebral ganglia
In the _________ phase, the presence of food activates sensory receptors.
cephalic
In the _________ phase, food in the stomach activates chemo- and mechano-receptors in gastric mucosa.
gastric
In the _________ phase, chyme in intestine stimulates chemo- and mechano-receptors in intestinal mucosa.
intestinal
In the _________ phase, it is between meals and secretory and motor activity is minimal.
interdigestive
Spontaneous cyclical fluctuations of membrane potential in GI smooth muscle are called __________.
slow waves
Does the stomach or intestine have a higher slow wave frequency?
intestine
The primary stimulus increasing gastric motor activity is _________.
distention
The presence of acid in the SI stimulates the release of __________ (from SI cells).
secretin
The presence of fatty acid in the SI stimulates the release of __________ (from SI cells).
CCK
The presence of acid in the SI stimulates the release of __________ (from pancreas cells).
HCO3-
Of solids, lipids, and liquids, which empties the stomach fastest?
liquids
Of solids, lipids, and liquids, which empties the stomach slowest?
lipids
Slow waves determine the frequency of ________ and ________.
peristalsis and segmentation
A periodic wave of activity that occurs in the fasting state is the _____________.
Migrating Motor Complex
The Migrating Motor Complex occurs every ___ to ___ minutes.
75 to 90
Distention of the stomach cause the ileocecal sphincter to ______.
open
Filling of acending colon causes _________ contractions.
haustral (segmental) contractions
How often do mass movements occur in the transverse colon?
1-3 times/day
What is absorbed in the colon?
Water and electrolytes
About this deck
By: Evan Davis
Created: 2010-12-06
Size: 23 flashcards
Views: 12
Created: 2010-12-06
Size: 23 flashcards
Views: 12
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have used this website for three exams, and I see a huge difference in my test results.”
Naj
Naj