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NREMT Crash Course Practice Exam

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What happens to blood glucose when insulin moves glucose into cells?
Correct Answer:
It drops
Explanation:
When insulin moves glucose into cells, blood glucose falls. Insulin signals muscle and fat cells to bring glucose in by promoting GLUT4 transporters on their membranes. Once inside, the glucose is used for energy or stored as glycogen (in liver and muscle) or converted to fat in adipose tissue. In the liver, insulin also suppresses glucose production. Because more glucose leaves the bloodstream and is stored or used, the circulating blood sugar level decreases. The other options don’t fit because the primary effect of insulin is to reduce, not increase or maintain, blood glucose.

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