Chemical Examination Flashcards
10 Parameters of Reagent Strip
- Protein
- Glucose
- Specific Gravity
- pH
- Leukocytes
- Urobilinogen
- Nitrite
- Blood
- Bilirubin
- Ketones
6 Care tips for Reagent Strip
- Not expose to volatile fumes
- Not exposed to temperature<30°
- Not used past expiration date
- Stored with Dessicant in Light Sensitive bottle
- Not use Discolored Pads
- Remove prior use
2 Organs associated with pH
- Kidney
- Lungs
pH range for First Morning Urine
5-6
pH range for Random Specimen
4.5-8
Acidic Urine Clinical Indications (3)
- DM
- Dehydration
- Diarrhea
Alkaline Urine Indications (4)
- Acidosis
- Vomiting
- Vegetarian
- Old Specimen
pH Clinical Significance (4)
- Acidosis / Alkalosis
- Renal Calculi
- Identify Crystals
- Treat UTI
Principle of Reagent Strip for pH?
Double Indicator System of Methyl Red and Bromthymol Blue
Color Reaction of pH Reagent Strip for 4-6
Red - Yellow
Color Reaction of pH Reagent Strip for 6-9
Yellow to Blue
Color Reaction of pH Reagent Strip for 5 and 9
Orange / Green
This parameter is indicative of Renal Disease
Protein
Protein from tubules
Tamm-Horsfall Protein
What value indicates Proteinuria
> 30 mg/dl
3 Significances of Proteinuria?
Pre - Renal , Post - Renal , Renal Proteinuria
what Protein is associated with Multiple Myeloma?
Bence Jones Protein
Screening Test for BJP?
Solubility
Confirmatory Test for BJP?
Serum Electrophoresis
4 Types of Renal Proteinuria
- Glomerular
- Tubular
- Orthostatic
- Microalbuminuria
Glomerular Proteinuria indicates increase in? (3)
- RBCs
- CHON
- WBCs
Fanconi Syndrome is under what type of Proteinuria?
Tubular Proteinuria
Proteinuria related to posture and is common in Young Adults
Orthostatic Proteinuria
2 Methods of collection for Orthostatic Proteinuria
- First Morning
- After Standing posture
Disease related to Microalbuminuria
Diabetic Nephropathy
Disease related to Post-Renal Proteinuria
Lower Urinary Tract Infection
Principle of Protein in Reagent Strip
Protein Error of Indicators
Reagent for Multistix in Protein
Tetrabromphenol Blue
Reagent for Chemstrip in Protein
Tetrachlorophenol
Protein False + (4)
- QAC
- High SG
- Antiseptic
- Loss of Buffer
Principle of Micral Test
Enzyme Immunoassay
Principle of Immunodip
Immunochromographics
Reagent and Positive result for Heat & Acetic Acid Test
Acetic Acid / White Cloudiness
Reagent and Positive result for Exton’s Test
Sodium Sulfate / White Ring
Reagent and Positive result for Heller’s Ring Test
Concentrated Nitric Acid / White Opaque Ring
Reagent and Positive result for Purdy’s Test
50% Acetic Acid / White Cloudiness
Reagent and Positive result for Picric Acid Test
Saturated Solution of Picric Acid/ Precipitation
Reagent and Positive result for Robert’s Ring Test
Magnesium Sulfate / White Ring
Clinical Association to Hyperglycemia (5)
- DM
- Pancreatitis
- Hyperthyroidism
- Stress
- Gestational Diabetes
Renal Clinical Association of Glucose (4)
- Fanconi Syndrome
- Advance Renal Disease
- Osteomalacia
- Pregnant
Reagent Strip pad for glucose is composed of? (4)
- glucose Oxidase
- Glucose Peroxidase
- Chromogen
- Buffer
Principle of Glucose Reagent Strip
Double Sequential Enzyme Reaction
Glucose False + cause?
Contamination by Oxidizing Agents
Glucose False - (4)
- Increase Ascorbic Acid
- Increase Ketones
- High SG
- Decrease Temperature
Copper Reduction Test reduce copper sulfate to?
Cuprous Oxide by Alkali and Heat
Reagent for Benedict’s Test
Sodium Citrate
Fehling’s Test Reagents (2)
a. Cupric Salt
b. Rochelle Salt
What test needs Phenylhydrazine?
Osazone Test
Reagent for Nylander’s Test
Bismuth Subnitrite
Principle of SG in Reagent Strip
pka change of polyelectrolyte
Product of Fat Metabolism
Ketones
4 Clinical Significance of Ketones
- Diabetic Ketosis
- Increase Fat Metabolism
- Ketonuria
- Pancreatic Disorder
Principle of Ketones for Reagent Strip
Double Indicator System of Methyl Red and Bromthymol Blue
What is not included in the Ketones Reagent Strip?
Beta-Hydroxybutyric acid
Ketones False + (3)
- Red Urine
- levodopa
- Medications with Sulfhydryl
Ketones False -
Improperly Preserved
2 Diseases associated with Blood
- Hematuria
- Hemoglobinuria
Intact RBC indicates?
Hematuria
What test differentiates Hematuria to Hemoglobinuria
Microscopic Test
6 Possible Causes of Hematuria
- Renal
- Trauma
- Renal Calculi
- Glomerular Disease
- Tumors
- Toxic Chemicals
Lysis of RBC indicates?
Hemoglobinuria
Yellow - Brown color from Denatured Ferritin
Hemosiderin
Disease Associated with Myoglobinuria
Rhabdomyolysis
Heme with protein in muscle tissue
Myoglobin
7 Causes of Hematuria
- Lower UT Infection
- Renal Calculi
- LE
- Tumor
- Glomerulonephritis
- Trauma
- Malignant Papilloma
Nipple-Like growth in the skin indicates?
Malignant Papilloma
Blood False +
- E. coli
- Menstrual
- Strong Oxidizing Agent
Blood False -
- Crenated Cells
- Formalin
- Unmixed
- Increase Concentrated Nitrite
Bilirubin Clinical Significance (4)
- Hepatitis
- Cirrhosis
- Liver Disease
- Gall stones
Principle of Bilirubin in Reagent Strip
Diazo Reaction
Bilirubin False + (3)
- Phenazopyridine
- Indican
- Metabolites of Iodine
Bilirubin False - (2)
- Light Exposure
- Increase Concentration of Nitrite
Urobilinogen Clinical Significance (5)
- Early Detection of Liver Disease
- Hepatitis
- Cirrhosis
- Carcinogenesis
- Hemolytic Disorder
Urobilinogen False + (5)
- Highly Pigmented Urine
- Porphobilinogen
- Indican
- Sulfonamides
- Methyldopa
Urobilinogen False - (3)
- High Concentration of Nitrite
- Old specimen
- Preserved in Formalin
Rapid screening test for UTI?
Nitrite
Nitrite Clinical Significance (5)
- Cystitis
- Pyelonephritis
- Antibiotic Theraphy
- Patient with UTI
- Urine Culture
Principle of Nitrite in Reagent Strip?
Greiss Reaction
Nitrite False + (2)
- Improperly Preserved
- Highly Pigmented
Nitrite False + (2)
- Improperly Preserved
- Highly Pigmented
Nitrite False - (4)
- Lack Urine Nitrate
- Presence of Antibiotics
- High Concentration of Ascorbic Acid
- High SG
Principle of LE in Reagent Strip
Catalyze the hydrolysis of Acid Ester
LE False + (3)
- Formalin
- Highly Pigmented
- Nitrofurantoin
LE False - (2)
- High Concentration of G, P, F, Asc A
- Inaccurate Time