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..
93 PETCO Reviews. On average, employees at PETCO give their company a 3.3 rating out of 5.0 - which is 14% lower than the average rating for all companies on CareerBliss. The happiest PETCO employees are Customer Service Representatives submitting an average rating of 3.5 and Operations Managers with a rating of 3.4. 9%.