The A1C test is a blood test used to measure the average level of glucose in the blood over the last two to three months, and is used as a means of checking how well blood sugar levels are being controlled for a person with diabetes.ore detail and supporting information is in the body of this article. 1  A1C is an abbreviation for glycated hemoglobin, which forms when glucose attaches to a protein in red blood cells. 2  As blood glucose levels rise, so does the percentage of glycated hemoglobin, so A1C is used to measure diabetes control.
Note: To see if multiple ratios are proportional, you could write them as fractions, reduce them, and compare them. If the reduced fractions are all the same, then you have proportional ratios.
In the Republican Party, each state chooses either the proportional method or a winner-take-all method of awarding delegates. Under the winner-take-all method, the candidate getting the most votes from a state's caucus or primary, gets all of that state's delegates at the national convention.Key Point: The above are general rules.he Democratic and Republican parties use different methods for determining how many delegates are awarded to, or pledged to vote for the various candidates at their national conventions. Democrats use a proportional method.