rehnquist, served as associate justices before becoming chief justice. Many chief justices served in other branches of government before joining the Court: John Marshall and roger b. taney were cabinet members, edward d. white was a U.S. senator, and Earl Warren was governor of California.
Occasionally, a health practitioner will look at the ratio between a person's BUN and blood creatinine to help determine what is causing these concentrations to be higher than normal. The ratio of BUN to creatinine is usually between 10:1 and 20:1.An increased ratio may be due to a condition that causes a decrease in the flow of blood to the kidneys, such as congestive heart failure or dehydration.he ratio of BUN to creatinine is usually between 10:1 and 20:1. An increased ratio may be due to a condition that causes a decrease in the flow of blood to the kidneys, such as congestive heart failure or dehydration.
Normal levels. Normal levels of BUN are between 10 to 20 mg/dl for an adult and 5 to 18 mg/dl for a child. Normal creatinine levels are between .5 to 1.1 mg/dl for an adult female and .6 to 1.2 mg/dl for an adult male. Creatinine levels are lower in young children and the elderly as a result of reduced muscle mass.