A person with high blood glucose after a meal has a faulty pancreas. Which sequence correctly shows the response in a healthy person?

Answer and explanation

Correct answer: A. Glucose rises, insulin is released, liver stores glycogen, glucose falls

  1. Step 1: Negative feedback restores the normal level.
  2. Step 2: High glucose triggers insulin, the liver stores glycogen and the glucose level falls.
Answer
Glucose rises, insulin is released, liver stores glycogen, glucose falls.
Why not the others: Glucose rises, glucagon is released, liver releases glucose, glucose rises further: this is the wrong hormone. Glucose falls, insulin is released, glycogen is stored, glucose rises: the sequence is reversed. Glucose rises, adrenaline is released, glucose is stored: adrenaline does not store glucose.

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