Urea nitrate is a fertilizer-based high explosive that has been used in improvised explosive devices in Afghanistan, Pakistan, Iraq, and various terrorist acts elsewhere in the world such as in the 1993 World Trade Center bombings.
Results are given directly in mg urea nitrogen/dL on color chart. To convert to mg urea/dL multiply urea nitrogen value by 2.14. Normal values for BUN vary between species and should. be verified by laboratory determined normal range values. MATERIALS PROVIDED. 1. One bottle containing 50 strips of VET-BUN Reagent Strips. 2.We matched urea only–treated to urea-untreated patients (1:1) on sex and baseline plasma sodium (within 3 mEq/L). For urea-untreated patients, we abstracted data on all treatments used for hyponatremia and recorded all plasma sodium, urine osmolality, and urine sodium measurements from the time of onset of hyponatremia until hospital discharge.SI units Conversion Calculator. Convert Uric Acid level to mmol/L, µmol/L, mg/dL, mg/100mL, mg%, mg/L, µg/mL. Clinical laboratory units online conversion from conventional or traditional units to Si units. Table of conversion factors for Uric Acid unit conversion to mmol/L, µmol/L, mg/dL, mg/100mL, mg%, mg/L, µg/mL. Study with Quizlet and memorize flashcards containing terms like 1. Which of the following is NOT an NPN substance? a. Urea b. Ammonia c. Creatinine d. Troponin T, 2. Urea/BUN is produced from: a. The catabolism of proteins and amino acids. b. Oxidation of purines. c. Oxidation of pyrimidines. d. The breakdown of complex carbohydrates., 3. An elevated BUN usually indicates: a. Liver disease. b The urea travels from your liver to your kidneys through your bloodstream. Healthy kidneys filter urea and remove other waste products from your blood. The filtered waste products leave your body through urine. A BUN test can reveal whether your urea nitrogen levels are higher than normal, suggesting that your kidneys may not be working properly. The activities of urease and urea concentration in the rumen are the major determinants governing the extent of urea and protein utilization and urea/ammonia toxicity. The urease activity converting urea to the ruminal pool of ammonia is rapid and not rate-limiting.
Urea is a low molecular weight substance and is easily excreted by glomeruli and is mostly excreted in the urine. The kidneys excrete urea, so the excretion of urea can reflect kidney function. It is synthesized in the liver, carried to the kidney, filtered through the glomeruli, mostly into the urine. 40% is reabsorbed by passive diffusion.
The case series from the University of Pittsburgh included patients with baseline blood urea nitrogen levels as high as 62 mg/dL, without any apparent problems. 6 Urea therapy often did cause a substantial increase in blood urea nitrogen level, but this was not associated with impaired renal function or with clinical consequences (table below .