Urinalysis and body fluid Flashcards
the action of this hormone is reabsorption of water fromthe distal tubules and a deficiency is seen in diabetes insipidus?
ADH or AVP (arginine vasopressin)
Metabolic waste product produced in the liver from the breakdown of protein?
Urea
In urine these values will increase due to prolonged sitting?
Nitrite (bacterial growth)
pH (urea converted to ammonia)
Turbidity (bacterial growth, red or whites, amorphous)
In urine these values will decrease due to prolonged sitting?
Glucose (glycolysis due to bacteria and yeast) Ketones (volatization exposure to air) Bilirubin (light) Urobiliongen (oxidized to urobilin) Cells and cast (lysis)
Fruity smell in urine is due to what analyte?
ketones
Ammonia smell in urine is due to what?
old urine
Mousy smell in urine is due to what?
PKU (phenylketonuria)
Maple syrup smell is due to what?
maple syrup disease (branch chained aminoaciduria)
Normal urine pH?
6.0
Random urine pH?
4.5-8
Specific gravity normal value?
1.002-1.035
A defect in insulin, polyuria, polydipsia, increased SG, glucose and ketones is indicative of what disease?
Diabetes mellitus
A defect in ADH/AVP, polyuria, polydipsia and decreased SG is indicative of what disease?
Diabetes insipidus
What causes false negative results for glucose, blood, bilirubin on reagent strips?
ascorbic acid
Principle strip- Ehrlich’s reaction: para-dimehtylaminobenzaldehyde in acid buffer reacts with urobilinogen to produce a peach to pink color
urobolinigen
These crystals are seen in acidic urine:
Amorphous urates
Uric acid
Calcium oxalate
These crystals are found in alkaline urine:
Amporphous phosphates
Triple phosphate
ammonium biurate
Calcium carbonate
These are abnormal crystals in the urine:
Cystine Hippuric acid Bilirubin Cholesterol plates tyrosine and leucine
What assists in detecting chronic kidney disease, is more sensitive then creatinine clearance and calculated based on age, gender, and ethnicity?
GFR
CSF bacterial infections will yield which results for chemistry and cell counts?
Increased protein
decreased glucose
neutrophils
CSF viral infections will yield which results for chemistry and cells count?
increased protein
N glucose
lymphocytes
CSF fungal infection will yield what results for chemistry and cell count?
Increased protein
decreased glucose
lymphocytes and monocytes
CSF electropheresis shows oligoclonal banding what does this indicate?
MS (multiple sclerosis)
this is tested in amniotic fluid and is increased in neural tube disorders?
AFP