Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
What happens when blood glucose levels are low?
glucagon secretion is stimulated
insulin secretion is stimulated
insulin secretion is inhibited
gluconeogenesis is inhibited
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What are the role(s) of glucagon when blood glucose levels decrease?
(Select all that apply)
it promotes glycogenolysis
it promotes gluconeogenesis
it promotes respiration
it promotes glycolysis
it promotes glycogenesis
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Which cells in the pancreas secrete glucagon?
beta cells
acinar cells
alpha cells
pancreatic acini
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How does insulin increase the permeability of muscle and fat cells to glucose?
by enhancing respiration
by promoting glycogenesis
by increasing the incorporation of GLUT4 proteins into cell-surface membranes
by inhibiting α cells
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Which cells in the pancreas secrete insulin?
beta cells
acinar cells
alpha cells
pancreatic acini
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What happens when blood glucose levels increase?
glucagon secretion increases
insulin secretion decreases
glucose uptake by cells increases
gluconeogenesis increases
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What happens when blood glucose levels are high?
insulin secretion is inhibited
glucagon secretion is stimulated
insulin secretion is stimulated
gluconeogenesis is promoted
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What is the role of insulin when blood glucose levels increase?
it promotes glycogenesis
it promotes gluconeogenesis
it reduces respiration
all of the above
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What does the activation of adenylyl cyclase result in?
production of cAMP
inhibition of β cells
inhibition of α cells
promotion of glycogenesis
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What is the role of adrenaline in blood glucose regulation?
it inhibits alpha cells
it promotes insulin secretion
it promotes gluconeogenesis
it promotes glycogenesis
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What is the process by which glucose is converted into glycogen for storage called?
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What is the process by which glycogen is converted back into glucose called?
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