Ankle-brachial index (ABI): a painless exam that compares the blood pressure in your feet to the blood pressure in your arms to determine how well your blood is flowing. This inexpensive test takes only a few minutes and can be performed by your healthcare professional as part of a routine exam.
1 US gal of pure water weighs anywhere from 128.0 oz (for water very close to boiling) to 133.3 oz (for cool room temperature and cold water).
The Canadian government defines one gallon as consisting of exactly 160 Imperial ounces, and there are approximately 1.041 Imperial ounces in a U.S. fluid ounce.   The U.S. liquid gallon consists of 128 U.S. fluid ounces, and there are approximately 1.201 U.S. liquid gallons in an Imperial gallon.