Someone on military.com asked this question already...here's the answer from their site directly:
One Day Prior to the PFT Should be a Day Off
Take a light walk, run or bike for 15-20 minutes with an equal amount of time spent of stretching. The night prior to the test should be spent relaxing and eating foods high in protein and carbohydrates such as pastas, green leafy lettuce, spinach, fish, chicken, lean meats. Lay off high fat foods. Drink water all day long.
!
8 hours
you should just wait the 2 weeks for it to filter out of your system.
Three hours
The time it takes to complete a GMAT practice test can be three to four hours. This practice test is a very long test. You should make sure to study before you take your GMAT practice test.
It will ensure it for about 6-8 hours or possibly a little longer
5 or more months should be good, but remember to take a lot of practice test and study vocab words.
how long before a drug test should i take my qcarb 20 with 4 tablets
Most women should wait at least a few days after sex before taking a pregnancy test.
if you take it 3 hours before your drug test NO.
You should take a pregnancy test shortly after your missed period. That is when a home pregnancy test is most effective. Although I have heard you can do a blood test at the doctor as soon as 2 weeks before your missed period.
You can take a ccna test online of corse. You can also take a practice test. Before you take any test, you should always study so you dont take the test for nothing.
If you're interested in the health of the baby(and your own health), you should wait until you've missed a period, then take the at home test. If it's negative but you still feel that you are pregnant, try again or get a blood test.