BUN-to-creatinine ratio - Definition. [ 1 1] Urea and creatinine are nitrogenous end products of metabolism. 2  The normal range of urea nitrogen in blood or serum is 5 to 20 mg/dl, or 1.8 to 7.1 mmol urea per liter. 3  The normal serum creatinine (sCr) varies with the subject's body muscle mass and with the technique used to measure it.
Direct from petco.com: The minimum age for working in our PETCO stores in 18 years, with the exception of Alaska in which the minimum age requirement is 16 years.. Direct from petco.com: The minimum age for working in our PETCO stores in 18 years, with the exception of Alaska in which the minimum age requirement is 16 years..
This is a very female dominated industry with 97.6% of Veterinary Assistants being women and only 2.4% male. The most popular age for people within this job is 20-24 years old, with 35.5%. However, there are still a number of people (13.0%) who get into this path younger, from 15-19 years of age.