Insulin and glucagon
Before you read
Test yourself first: 5 questions
Question 1 of 5
The pancreas releases insulin in response to:
Answer: B. Insulin lowers blood sugar by moving glucose into cells; it is released when blood glucose is high. Glucagon does the opposite.
Question 2 of 5
Insulin and glucagon, which regulate blood sugar, are produced by the:
Answer: B. The pancreas secretes insulin (lowers glucose) and glucagon (raises glucose) to keep blood sugar balanced.
Question 3 of 5
The chemical formula for glucose (blood sugar) is:
Answer: B. Glucose is C₆H₁₂O₆ — 6 carbon, 12 hydrogen, and 6 oxygen atoms.
Question 4 of 5
Which hormone raises blood glucose levels?
Answer: B. Glucagon raises blood sugar (opposing insulin, which lowers it). Both come from the pancreas.
Question 5 of 5
After a meal, the pancreas releases ____ to lower blood sugar.
Answer: B. Insulin lowers blood glucose after eating; glucagon raises it when levels drop.
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