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NREMT Advanced EMT

Category - Medical Knowledge

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What hormone is secreted by the beta cells of the islets of Langerhans?

Glucagon
Insulin
Oxytocin
ADH

Explanation

Answer - B - The hormone insulin is secreted by the beta cells of the islets of Langerhans. It is antagonistic to glucagon and causes the blood level of glucose to decrease. It combines with insulin receptors on the cell membrane and allows glucose to enter the cells. It is an absolute necessity for survival.

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