Pregunta 1
Pregunta
Each islet contains 3000-5000 cells
Pregunta 2
Pregunta
How are glucose levels monitored?
Respuesta
-
High blood flow around cells
-
Insulin receptors on Beta cell surface
-
Flow of glucose in interstitial fluid
Pregunta 3
Pregunta
What is the role of the delta cells?
Respuesta
-
Somatostatin production
-
Glycase production
-
Insulin production
Pregunta 4
Pregunta
The Islets of Langerhans are only stimulated by the SNS
Pregunta 5
Pregunta
What is the role of glucagon?
Pregunta 6
Pregunta
First Pre-proglucagon is converted into Proglucagon
Pregunta 7
Pregunta
In the small intestine, what is made from Proglucagon?
Pregunta 8
Pregunta
In the Alpha cells, what is made from Proglucagon?
Pregunta 9
Pregunta
What controls glucagon secretion?
Respuesta
-
Nutrients
-
Gut peptides
-
Hormones
-
The nervous system
Pregunta 10
Pregunta
Glucose is a potent inhibitor of glucagon secretion
Pregunta 11
Pregunta
Amino acids and free fatty acids in the blood _ secretion
Pregunta 12
Pregunta
Why does glucagon have no effect on skeletal muscle?
Pregunta 13
Pregunta
Glucagon stimulates insulin release
Pregunta 14
Pregunta
Which of the following is not a role of glucagon?
Respuesta
-
Mobilisation of liver glucose
-
Breakdown of TAGs to F.As
-
Inc protein synthesis
-
Inc cardiac contractility
Pregunta 15
Pregunta
Why does glucagon leads to the P of pyruvate kinase?
Pregunta 16
Pregunta
Stimulating pyruvate carboxylase stimulates glycolysis
Pregunta 17
Pregunta
Which of the following is deactivated in order to prevent lipogenesis
Respuesta
-
TAG lipase
-
Acetyl CoA carboxylase
-
Pyruvate Kinase
-
Phosphofructokinase
Pregunta 18
Pregunta
Phosphofructokinase 2 activates gluconeogenesis & inhibits glycolysis