Test
Islets of Langerhans & Glucagon
Preguntas del test (18)
1Each islet contains 3000-5000 cells
- AVerdadero
- BFalso
2How are glucose levels monitored?
- AHigh blood flow around cells
- BInsulin receptors on Beta cell surface
- CFlow of glucose in interstitial fluid
3What is the role of the delta cells?
- ASomatostatin production
- BGlycase production
- CInsulin production
4The Islets of Langerhans are only stimulated by the SNS
- AVerdadero
- BFalso
5What is the role of glucagon?
- ATo signal 'hunger'
- BTo signal 'satiation'
- CTo signal high blood flow
6First Pre-proglucagon is converted into Proglucagon
- AVerdadero
- BFalso
7In the small intestine, what is made from Proglucagon?
- AGlp1 & 2
- BMajor Preglucagon Fragment
- CGlucogen
- DGlycocentin
8In the Alpha cells, what is made from Proglucagon?
- AGRPP
- BGlucagon
- CMajor Proglucagon Fragment
- DGlycocentin
9What controls glucagon secretion?
- ANutrients
- BGut peptides
- CHormones
- DThe nervous system
10Glucose is a potent inhibitor of glucagon secretion
- AVerdadero
- BFalso
11Amino acids and free fatty acids in the blood _ secretion
- AStimulate
- BInhibit
12Why does glucagon have no effect on skeletal muscle?
- ASo the muscles don't get depleted of glucose
- BSo the muscles cannot take glucose from the blood
13Glucagon stimulates insulin release
- AVerdadero
- BFalso
14Which of the following is not a role of glucagon?
- AMobilisation of liver glucose
- BBreakdown of TAGs to F.As
- CInc protein synthesis
- DInc cardiac contractility
15Why does glucagon leads to the P of pyruvate kinase?
- AReduce glycolysis & inc gluconeogenesis
- BIncrease glycolysis & red gluconeogenesis
16Stimulating pyruvate carboxylase stimulates glycolysis
- AVerdadero
- BFalso
17Which of the following is deactivated in order to prevent lipogenesis
- ATAG lipase
- BAcetyl CoA carboxylase
- CPyruvate Kinase
- DPhosphofructokinase
18Phosphofructokinase 2 activates gluconeogenesis & inhibits glycolysis
- AVerdadero
- BFalso
Información
- Descripción
- (Insulin & Glucagon) Year 2 Test sobre Islets of Langerhans & Glucagon, creado por gina_evans0312 el 04/03/2014.
- Autor
- gina_evans0312
- Idioma
- English
- Visitas
- 481
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