I f you mean space, that has been defined in many ways, 60 miles, 62 miles, 80 miles, 100 miles. For â¦ that answer you need to specify what you really need to know. Like where is there no more air, what is the International definition of the beginning of space.
If the level is not quite right, the doctor can easily work out from the blood test what the dose should be. Lithium blood tests need to be taken at least 12 hours after the last dose of lithium to make sure the test is reliable. Any time a change is made in the dose, the level has to be checked about five days later.
Testing magnesium levels to find if they are normal requires a simple blood draw. Levels are considered normal in the range of 1.7 to 2.2 mg/dL. Your doctor might choose to test your magnesium levels if you have tested low for potassium and calcium or if you have a history of kidney disease.Sometimes your body will released store magnesium from your bones to make up for a deficiency.our doctor might choose to test your magnesium levels if you have tested low for potassium and calcium or if you have a history of kidney disease. Sometimes your body will released store magnesium from your bones to make up for a deficiency.