From late 14c. as fence of pointed stakes; figurative sense of limit, boundary, restriction is from c.1400. Barely surviving in beyond the pale and similar phrases. Meaning the part of Ireland under English rule is from 1540s, via sense of territory held by power of a nation or people (mid-15c.). pale
A ketone test checks for ketones in your blood or urine. Ketones are substances that are made when the body breaks down fat for energy. Normally, your body gets the energy it needs from carbohydrate in your diet.
This test looks for amphetamine in your urine. Amphetamine is a drug that stimulates your central nervous system. It can show up in your urine long after you've taken it. Amphetamines include methamphetamine (meth) and phentermine. Amphetamine is a commonly used street drug.ou may also have a blood test to screen for drugs such as amphetamine. Amphetamine can even be found in a strand of your hair. But this test is not considered to work as well as a blood or urine test.