601730
Description
Quiz by gina_evans0312, updated more than 1 year ago
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Created by gina_evans0312
about 10 years ago
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Question 1
Question
Each islet contains 3000-5000 cells
Answer
- True
- False
Question 2
Question
How are glucose levels monitored?
Answer
-
High blood flow around cells
-
Insulin receptors on Beta cell surface
-
Flow of glucose in interstitial fluid
Question 3
Question
What is the role of the delta cells?
Answer
-
Somatostatin production
-
Glycase production
-
Insulin production
Question 4
Question
The Islets of Langerhans are only stimulated by the SNS
Answer
- True
- False
Question 5
Question
What is the role of glucagon?
Answer
-
To signal 'hunger'
-
To signal 'satiation'
-
To signal high blood flow
Question 6
Question
First Pre-proglucagon is converted into Proglucagon
Answer
- True
- False
Question 7
Question
In the small intestine, what is made from Proglucagon?
Answer
-
Glp1 & 2
-
Major Preglucagon Fragment
-
Glucogen
-
Glycocentin
Question 8
Question
In the Alpha cells, what is made from Proglucagon?
Answer
-
GRPP
-
Glucagon
-
Major Proglucagon Fragment
-
Glycocentin
Question 9
Question
What controls glucagon secretion?
Answer
-
Nutrients
-
Gut peptides
-
Hormones
-
The nervous system
Question 10
Question
Glucose is a potent inhibitor of glucagon secretion
Answer
- True
- False
Question 11
Question
Amino acids and free fatty acids in the blood _ secretion
Answer
-
Stimulate
-
Inhibit
Question 12
Question
Why does glucagon have no effect on skeletal muscle?
Answer
-
So the muscles don't get depleted of glucose
-
So the muscles cannot take glucose from the blood
Question 13
Question
Glucagon stimulates insulin release
Answer
- True
- False
Question 14
Question
Which of the following is not a role of glucagon?
Answer
-
Mobilisation of liver glucose
-
Breakdown of TAGs to F.As
-
Inc protein synthesis
-
Inc cardiac contractility
Question 15
Question
Why does glucagon leads to the P of pyruvate kinase?
Answer
-
Reduce glycolysis & inc gluconeogenesis
-
Increase glycolysis & red gluconeogenesis
Question 16
Question
Stimulating pyruvate carboxylase stimulates glycolysis
Answer
- True
- False
Question 17
Question
Which of the following is deactivated in order to prevent lipogenesis
Answer
-
TAG lipase
-
Acetyl CoA carboxylase
-
Pyruvate Kinase
-
Phosphofructokinase
Question 18
Question
Phosphofructokinase 2 activates gluconeogenesis & inhibits glycolysis
Answer
- True
- False
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