le m (feminine la, masculine and feminine plural les) 1  The (definite article). 2  Used before abstract nouns; not translated in English. ( 3 before parts of the body) The; my, your, etc. ( before units) A, an.
Other Ways to Give. Checking for Ketones. Ketone is a chemical produced when there is a shortage of insulin in the blood and the body breaks down body fat for energy. Ketones in the urine is a sign that your body is using fat for energy instead of using glucose because not enough insulin is available to use glucose for energy. Ketones in the urine is more common in type 1 diabetes.
Ketones are a by-product of fat breakdown, and high levels can be toxic. Ketone testing strips check for the presence in urine of one type of ketone, called acetoacetic acid.Read the directions that come with your strips for proper use. Youâll either run the strip through a stream of urine or collect urine in a clean container and dip the strip into it.etones are a by-product of fat breakdown, and high levels can be toxic. Ketone testing strips check for the presence in urine of one type of ketone, called acetoacetic acid.