The flashcards below were created by user
on FreezingBlue Flashcards.
What coverts trypsinogen to trypsin?
What activates lipase and colipase?
Enterokinase is secreted where?
What activates chemotrypsinogen, caboxypeptidase A and B?
How is secretin action different from that of CCK?
- Secretin--high volume, low enzyme , high bicarbonate
- CCK- low volume, low bicarbonate and high enzyme
Norepinephrine is synthesized where?
5HT is synthesized where?
Ach is synthesized where
Basal Nucleus of Meynert
GABA is synthesized where?
Hirshprung's disease is caused by what?
loss of Myenteric nerve plexus
Metanephrines in urine, episodic hypertension, headaches, palpitations, perspiration are all indicative of what?
Chvostek's sign and Troussaeu appear in what condition?
What is the difference between Chvostek's sign and Troussaeu sign?
- Chvostek--tapping of facial nerve--twitches
- Troussaeu--blood pressure cough...movement of fingers
Achalasia and Hirshprungs disease are caused by what?
absent myenteric plexus
Proton pump blocker?
H2 receptor antagonist?
Ach receptor antagonist on a parasympathetic gland?
What enzyme catalyzes the formation of carbonic acid from CO2 and H20?
What happens in Zollinger-Ellison Syndrome?
- Gastrin secreting tumor of pancreas or duodenum
- recurrent ulcers
What muscle is affected is Achalasia?
- Lower esophageal sphincter (LES)
- Cardiac Sphincter
- glandular metaplasia--Non keratinized SSE to columnar epithelium
- reflux disease
What happens in Celiac sprue( gluten sensitive enteropathy)
- autoimmune to mucosal cells
In terms of stool what is expected in Celiac Sprue?
Steatorrhea and failure to thrive are seen in what GI disorder?
What nerve controls the internal anal sphincter?
What nerve controls the external anal sphincter?
Pudendal ( S2,S3,S4)
What is the differential for Gastric ulcer and Duodenal Ulcer?
- Gastric--pain is Greater with Meals
- Duodenal--pain Decreases with Meals