The insulin fasting blood test is chiefly used as a test insulin levels and to diagnoses diabetes and insulin resistance.The test can also hypoglycemia, an insulin related disorder. Insulin is a peptide hormone that is produced by the pancreas and is used to control the level of glucose in in the blood.etails. The insulin fasting blood test is chiefly used as a test insulin levels and to diagnoses diabetes and insulin resistance. The test can also hypoglycemia, an insulin related disorder.
The potatoes don't provide any energy. That's a common misconception, the energy actually comes from the two electrodes. The potato just acts as a salt bridge and ion supply. You see, when the two different metals are stuck into the potato, one of them releases positive ions into the liquid in the potato more easily than the other.
To create a potato battery, insert two different metals, such as an iron nail and a copper nail, into the potato, then connect the two nails with copper or aluminum wire to â¦ a low-voltage bulb or voltmeter or similar device.y themselves they cannot produce electricity. However, they can be made to with a little modification. Two different metals, usually zinc and copper, can be inserted into o â¦ pposite ends of the potato.