Urinalysis and Body Fluids Final Exam Review

Things that happen to urine when left standing at room temperature - Answer-Increase pH, Glucose decrease, Color darkens, Bacteria increases Name of the confirmation test for positive bilirubin on the dipstick? - Answer-Ictotest Complete obstruction of the biliary ducts. Bilirubin(pos or neg) Urobilinogen (pos or neg)? - Answer-Bilirubin Positive, Urobilinogen Negative What crystal? Concentric and radial striations. Yellow/brown spheres. Occur in severe liver disease - Answer-Leucine What crystal? Sheaths of fine/silky needles; occurs in severe liver disease. - Answer-Tyrosine What crystal?Colorless plates with notched corners - Answer-Cholesterol What crystal?Hexagonal plates; occurs with a hereditary condition - Answer-Cystine What crystal? Occurs in alkaline urine; seen especially in refrigerated urine - Answer-Amorphous phosphates What cry