Select the one best response to each question!
Leaving a reagent strip in the specimen for too long will:
Correct!
Wrong!
Failure to mix a specimen prior to inserting the reagent strip will primarily affect the:
Correct!
Wrong!
Testing a refrigerated specimen that has not warmed to room temperature will adversely affect:
Correct!
Wrong!
The reagent strip reaction that requires the longest reaction time is the:
Correct!
Wrong!
Quality control of reagent strips is performed:
Correct!
Wrong!
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All of the following are important to protect the integrity of reagent strips except:
Correct!
Wrong!
The principle of the reagent strip test for pH is the:
Correct!
Wrong!
A urine specimen with a pH of 9.0:
Correct!
Wrong!
In the laboratory, a primary consideration associated with pH is:
Correct!
Wrong!
The principle of the protein error of indicators reaction is that:
Correct!
Wrong!
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All of the following will cause false-positive protein reagent strip values except:
Correct!
Wrong!
A patient with a 1 protein reading in the afternoon is asked to submit a first morning specimen. The second specimen also has a 1 protein. This patient is:
Correct!
Wrong!
Testing for microalbuminuria is valuable for monitoring patients with:
Correct!
Wrong!
All of the following are true for the Micral-Test for microalbumin except:
Correct!
Wrong!
All of the following are true for the Immunodip test for microalbumin except:
Correct!
Wrong!
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The principle of the protein-low reagent pad on the Multistix Pro is the:
Correct!
Wrong!
The principle of the creatinine reagent pad on microalbumin reagent strips is the:
Correct!
Wrong!
The purpose of performing an albumin:creatinine ratio is to:
Correct!
Wrong!
A patient with a normal blood glucose and a positive urine glucose should be further checked for:
Correct!
Wrong!
The principle of the reagent strip tests for glucose is the:
Correct!
Wrong!
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All of the following may produce false-negative glucose reactions except:
Correct!
Wrong!
A positive Clinitest and a negative reagent strip glucose are indicative of:
Correct!
Wrong!
The primary reason for performing a Clinitest is to:
Correct!
Wrong!
The three intermediate products of fat metabolism include all of the following except:
Correct!
Wrong!
The most significant reagent strip test that is associated with a positive ketone result is:
Correct!
Wrong!
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The primary reagent in the reagent strip test for ketones is:
Correct!
Wrong!
Ketonuria may be caused by all of the following except:
Correct!
Wrong!
Urinalysis on a patient with severe back and abdominal pain is frequently performed to check for:
Correct!
Wrong!
The principle of the reagent strip test for blood is based on the:
Correct!
Wrong!
A speckled pattern on the blood pad of the reagent strip indicates:
Correct!
Wrong!
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The principle of the reagent strip test for bilirubin is the:
Correct!
Wrong!
An elevated urine bilirubin with a normal urobilinogen is indicative of:
Correct!
Wrong!
The primary cause of a false-negative bilirubin reaction is:
Correct!
Wrong!
The purpose of the special mat supplied with the Ictotest tablets is that:
Correct!
Wrong!
The reagent in the Multistix reaction for urobilinogen is:
Correct!
Wrong!
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The primary problem with urobilinogen tests using Ehrlich reagent is:
Correct!
Wrong!
In the Watson-Schwartz differentiation test, the substance(s) not extracted into butanol is/are:
Correct!
Wrong!
The Hoesch test is used to monitor or screen patients for the presence of:
Correct!
Wrong!
The reagent strip test for nitrite used the:
Please select 2 correct answers
Correct!
Wrong!
All of the following can cause a negative nitrite reading except:
Correct!
Wrong!
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A positive nitrite test and a negative leukocyte esterase test is an indication of a:
Correct!
Wrong!
All of the following can be detected by the leukocyte esterase reaction except:
Correct!
Wrong!
Screening tests for urinary infection combine the leukocyte esterase test with the test for:
Correct!
Wrong!
The principle of the leukocyte esterase reagent strip test uses a:
Correct!
Wrong!
The principle of the reagent strip test for specific gravity uses the dissociation constant of a/an:
Correct!
Wrong!
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A specific gravity of 1.030 would produce the reagent strip color:
Correct!
Wrong!
Reagent strip–specific gravity readings are affected by:
Correct!
Wrong!
The quizzes about Chemical Examination of Urine (47 questions)
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| 1. Leaving a reagent strip in the specimen for too long will: A. Cause runover between reagent pads B. Alter the color of the specimen C. Cause reagents to leach from the pads D. Not affect the chemical reactions |
| 2. Failure to mix a specimen prior to inserting the reagent strip will primarily affect the: A. Glucose reading B. Blood reading C. Nitrite reading D. Ph reading |
| 3. Testing a refrigerated specimen that has not warmed to room temperature will adversely affect: A. Enzymatic reactions B. Dye-binding reactions C. The sodium nitroprusside reaction D. Diazo reactions |
| 4. The reagent strip reaction that requires the longest reaction time is the: A. Bilirubin B. pH C. Leukocyte esterase D. Glucose |
| 5. Quality control of reagent strips is performed: A. Using positive and negative controls B. When results are questionable C. At least once every 24 hours D. All of the above |
| 6. All of the following are important to protect the integrity of reagent strips except: A. Removing the desiccant from the bottle B. Storing in an opaque bottle C. Storing at room temperature D. Resealing the bottle after removing a strip |
| 7. The principle of the reagent strip test for pH is the: A. Protein error of indicators B. Greiss reaction C. Dissociation of a polyelectrolyte D. Double indicator reaction |
| 8. A urine specimen with a pH of 9.0: A. Is indicative of metabolic acidosis B. Should be recollected C. May contain calcium oxalate crystals D. Is seen after drinking cranberry juice |
| 9. In the laboratory, a primary consideration associated with pH is: A. Identification of urinary crystals B. Monitoring of vegetarian diets C. Determination of specimen acceptability D. Both A and C |
| 10. Indicate the source of the following proteinurias by placing a 1 for prerenal, 2 for renal, or 3 for postrenal    in front of the condition. A. ____Microalbuminuria B. ____Acute phase reactants C. ____Pre-eclampsia D. ____Vaginal inflammation E. ____Multiple myeloma F. ____Orthostatic proteinuria G. ____Prostatitis |
| 11. The principle of the protein error of indicators reaction is that: A. Protein changes the pH of the urine B. Albumin accepts hydrogen ions from the indicator C. The indicator accepts ions for albumin D. Albumin changes the pH of the urine |
| 12. All of the following will cause false-positive protein reagent strip values except: A. Proteins other than albumin B. Highly buffered alkaline urines C. Delay in removing the reagent strip from the specimen D. Contamination by quartenary ammonium compounds |
| 13. A patient with a 1 protein reading in the afternoon is asked to submit a first morning specimen. The second specimen also has a 1 protein. This patient is: A. Positive for orthostatic proteinuria B. Negative for orthostatic proteinuria C. Positive for Bence Jones protein D. Negative for clinical proteinuria |
| 14. Testing for microalbuminuria is valuable for monitoring patients with: A. Hypertension B. Diabetes mellitus C. Cardiovascular disease risk D. All of the above |
| 15. All of the following are true for the Micral-Test for microalbumin except: A. It is run on first morning specimens B. It contains an antibody-enzyme conjugate C. Two blue bands are formed on the strip D. Unbound antibody attaches to immobilized albumin |
| 16. All of the following are true for the Immunodip test for microalbumin except: A. Unbound antibody migrates farther than bound antibody B. Blue latex particles are coated with antibody C. Bound antibody migrates further than unbound antibody D. It utilizes an immumochromographic principle |
| 17. The principle of the protein-low reagent pad on the Multistix Pro is the: A. Binding of albumin to sulphonphtalein dye B. Immunologic binding of albumin to antibody C. Reverse protein error of indicators reaction D. Enzymatic reaction between albumin and dye |
| 18. The principle of the creatinine reagent pad on microalbumin reagent strips is the: A. Double indicator reaction B. Diazo reaction C. Pseudoperoxidase reaction D. Reduction of a chromogen |
| 19. The purpose of performing an albumin:creatinine ratio is to: A. Estimate the glomerular filtration rate B. Correct for hydration in random specimens C. Avoid interference for alkaline urines D. Correct for abnormally colored urines |
| 20. A patient with a normal blood glucose and a positive urine glucose should be further checked for: A. Diabetes mellitus B. Renal disease C. Gestational diabetes D. Pancreatitis |
| 21. The principle of the reagent strip tests for glucose is the: A. Peroxidase activity of glucose B. Glucose oxidase reaction C. Double sequential enzyme reaction D. Dye-binding of glucose and chromogen |
| 22. All of the following may produce false-negative glucose reactions except: A. Detergent contamination B. Ascorbic acid C. Unpreserved specimens D. Low urine temperature |
| 23. A positive Clinitest and a negative reagent strip glucose are indicative of: A. Low levels of glucose B. Nonglucose reducing substances C. High levels of glucose D. Both A and B |
| 24. The primary reason for performing a Clinitest is to: A. Check for high ascorbic acid levels B. Confirm a positive reagent strip glucose C. Check for newborn galactosuria D. Confirm a negative glucose reading |
| 25. The three intermediate products of fat metabolism include all of the following except: A. Acetoacetic acid B. Ketoacetic acid C. Beta-hydroxybutyric acid D. Acetone |
| 26. The most significant reagent strip test that is associated with a positive ketone result is: A. Glucose B. Protein C. pH D. Specific gravity |
| 27. The primary reagent in the reagent strip test for ketones is: A. Glycine B. Lactose C. Sodium hydroxide D. Sodium nitroprusside |
| 28. Ketonuria may be caused by all of the following except: A. Bacterial infections B. Diabetic acidosis C. Starvation D. Vomiting |
| 29. Urinalysis on a patient with severe back and abdominal pain is frequently performed to check for: A. Glucosuria B. Proteinuria C. Hematuria D. Hemoglobinuria |
| 30. Place the appropriate number or numbers in front of each of the following statements. Use both numbers for an answer if needed. 1. Hemoglobinuria 2. Myoglobinuria A. ____Associated with transfusion reactions B. ____Clear, red urine and pale yellow plasma C. ____Clear, red urine and red plasma D. ____Associated with rhabdomylosis E. ____Precipitated by ammonium sulfate F. ____Not precipitated by ammonium sulfate G. ____Produced hemosiderin granules in urinary sediments H. ____Associated with acute renal failure |
| 31. The principle of the reagent strip test for blood is based on the: A. Binding of heme and a chromogenic dye B. Peroxidase activity of heme C. Reaction of peroxide and chromogen D. Diazo activity of heme |
| 32. A speckled pattern on the blood pad of the reagent strip indicates: A. Hematuria B. Hemoglobinuria C. Myoglobinuria D. All of the above |
| 33. List the following products of hemoglobin degradation in the corrct order by placing numbers 1–4 in front of them. A. ___Conjugated bilirubin B. ___Urobilinogen and stercobiligen C. ___Urobilin D. ___Unconjugated bilirubin |
| 34. The principle of the reagent strip test for bilirubin is the: A. Diazo reaction B. Ehrlich reaction C. Greiss reaction D. Peroxidase reaction |
| 35. An elevated urine bilirubin with a normal urobilinogen is indicative of: A. Cirrhosis of the liver B. Hemolytic disease C. Hepatitis D. Biliary obstruction |
| 36. The primary cause of a false-negative bilirubin reaction is: A. Highly pigmented urine B. Specimen contamination C. Specimen exposure to light D. Excess conjugated bilirubin |
| 37. The purpose of the special mat supplied with the Ictotest tablets is that: A. Bilirubin remains on the surface of the mat. B. It contains the dye needed to produce color. C. It removes interfering substances. D. Bilirubin is absorbed into the mat. |
| 38. The reagent in the Multistix reaction for urobilinogen is: A. A diazonium salt B. Tetramethylbenzidine C. p-dimethylaminobenzaldehyde D. Hoesch reagent |
| 39. The primary problem with urobilinogen tests using Ehrlich reagent is: A. Positive reactions with porphobilinogen B. Lack of sensitivity C. Positive reactions with Ehrlich reactive substances D. Both A and C |
| 40. In the Watson-Schwartz differentiation test, the substance(s) not extracted into butanol is/are: A. Urobilinogen B. Porphobilinogen C. Ehrlich reactive substances D. All of the above |
| 41. The Hoesch test is used to monitor or screen patients for the presence of: A. Urobilinogen B. Nitrite C. Porphobilinogen D. Leukocyte esterase |
| 42. The reagent strip test for nitrite used the: A. Greiss reaction B. Hoesch reaction C. Peroxidase reaction D. Pseudoperoxidase reaction |
| 43. All of the following can cause a negative nitrite reading except: A. Gram-positive bacteria B. Gram-negative bacteria C. Random urine specimens D. Heavy bacterial infections |
| 44. A positive nitrite test and a negative leukocyte esterase test is an indication of a: A. Dilute random specimen B. Specimen with lyzed leukocytes C. Vaginal yeast infection D. Specimen older than 2 hours |
| 45. All of the following can be detected by the leukocyte esterase reaction except: A. Neutrophils B. Eosinophils C. Lymphocytes D. Basophils |
| 46. Screening tests for urinary infection comleukocyte esterase test with the test for: A. pH B. Nitrite C. Protein D. Blood |
| 47. The principle of the leukocyte esterase reagent strip test uses a: A. Peroxidase reaction B. Double indicator reaction C. Diazo reaction D. Dye-binding technique |
| 48. The principle of the reagent strip test for specific gravity uses the dissociation constant of a/an: A. Diazonium salt B. Indicator dye C. Polyelectrolyte D. Enzyme substrate |
| 49. A specific gravity of 1.030 would produce the reagent strip color: A. Blue B. Green C. Yellow D. Red |
| 50. Reagent strip–specific gravity readings are affected by: A. Glucose B. Radiographic dye C. Alkaline urine D. All of the above |
