After a meal, insulin is the _____ that helps lower blood _____ levels
a. enzyme; glucagon
b. enzyme; epinephrine
c. hormone; glucose
d. hormone; sucrose
C
Insulin is a hormone, not an enzyme. It lowers blood glucose levels after a meal by causing cells to absorb glucose from the blood. Glucagon is a hormone that has the opposite effect, causing blood glucose levels to rise when they start to fall between meals. Epinephrine is another hor-mone that increases blood glucose levels in response to acute stress. Blood does not contain su-crose.
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