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Discuss the antagonistic effects of insulin and glucagon on the liver, and on blood glucose levels.

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Sixta Kovacek
Sixta KovacekLv2
28 Sep 2019
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Related questions

Discuss the role of the liver, insulin and glucagon in the regulation of blood glucose levels. [25 marks]

1. What happensif the human body makes excess thyroid hormones? What type ofdisorder causes this in Graves’ disease?

2. Parathyroidhormone (PTH) and calcitonin are antagonistic hormones. Describewhat them means with respect to PYH and calcitoninfunction.

3. Explain theaction of insulin and glucagon on blood glucose levels. Are theyantagonistic hormones? 28. In response to low blood glucose levels,which hormone (insulin or glucagon) would be released? Where arethese hormones produced? Glucagon would be realesed,liver

4. What type of cells in thehypothalamus produce hormones?

5. Explain how hormones secreted from theadrenal medulla differ from hormones secreted by the adrenal cortexin response to stress.

1. In the FASTED state, which hormone combination would occur?
A. High glucagon; high insulin
B. High glucagon; no insulin
C. Higher glucagon; lower insulin

2. How does binding of insulin to its receptor cause glucose uptake from the bloodstream?
A. Causes insertion of GLUT4 transporters in the membrane
B. Causes the nuclear transcription factor GLUT4 to stimulate glucose channel production to increase glucose diffusion
C. Causes liver cells to release glucose chaperones (GLUT4) that shuffle glucose into cells
D. Causes intramembrane GLUT4 channels to open, allowing glucose to diffuse into the cell

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