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