Exam 2 Flashcards
(18 cards)
FFA are use predominate by _______ tissues as they undergo ________ & conversion into ketone bodies (eg, B-hydroxybutyrate)
skeletal muscle & liver ; Beta oxidation
Principal target tissues for glucagon are _______ & ______.
liver ; adipose tissue
regulated by the balance b/w the effects of glucagon & insulin at their target organs.
Ketogenesis
Secretes digestive juices into the duodenum
Acinin
What secretes insulin and glucagon directly into the blood?
Islets of langerhans
Which organ is exposed to the the highest concentrations of pancreatic hormones before they reach the systemic circulation?
the liver
___________ stimulation increases glucagon release.
Vagal
Which hormone stimulates activation of HSL, resulting in the liberation of FFA into the circulation (lipolysis)?
glucagon
The vagal nerve inhibits large levels of _______ & _________ insulin secretion.
basal ; glucose-stimulated
_________________ stimulates glucagon & secretion.
Vagus nerve
Secreted by the alpha cells
glucagon
Secreted by the beta cells
insulin
secreted by the delta cells
Somatostatin
Which cells make up the islet of langerhans?
alpha, beta, and delta
Location of acinin cells
outside
location of islet of langerhans
inside
______________ from the ____________ drains into the hepatic portal vein.
Venous blood ; pancreas
______________ stimulates the release of ___________ via B-2 adrenergic mechanism.
Epinephrine ; glucagon
