When the α-cells release glucagon?
a) when blood glucose level is low
b) when blood glucose level is high
c) when blood calcium level is low
d) when blood calcium level is high
Which of the following system also stimulates the secretion of glucagon along with the low level of glucose in blood?
a) limbic system
b) sympathetic nervous system
c) somatic nervous system
d) parasympathetic nervous system
Explanation The sympathetic nervous system plays a predominant role in stimulating glucagon secretion, through activation of the α-cell
Which of the following suppress/es the secretion of glucagon from pancreas?
a) high blood glucose level
b) insulin
c) somatostatin
d) all of these
Which of the following is/are the role/s of glucagon?
a) it promotes glycogenolysis
b) it promotes gluconeogenesis
c) it promotes release of glucose to the blood by liver cells
d) all of these
Explanation all of the above processes increase the level of glucose in the blood
Which one of the following is antagonistic to glucagon?
a) thyroxin
b) insulin
c) calcitonin
d) paratharmone
Explanation insulin decreases the blood glucose level while glucagon increases it
Which of the following is/are NOT the role/s of glucagon?
a) it promotes glycogenolysis
b) it inhibits gluconeogenesis
c) it increases blood glucose level
d) both a and c
