Question 1

When bilirubin is detected in the urine,it can be assumed that:

Accepted Answer

A)   It is attached to protein
B)   It has passed through the small intestine
C)   The patient is diabetic
D)   It has been conjugated in the liverE) A) and B)
F) A) and C)

Question 2

A possible cause of postrenal proteinuria is:

Accepted Answer

A)   Prostatitis
B)   Multiple myeloma
C)   Glomerulonephritis
D)   PostureE) C) and D)
F) A) and C)

Question 3

All of the following can be used to detect the presence of microalbuminuria except the:

Accepted Answer

A)   Multistix Pro
B)   Sulfosalicylic acid (SS
A)   test
C)   Micral-Test
D)   Clinitek 50E) A) and B)
F) All of the above

Question 4

All of the following will produce an alkaline urine except:

Accepted Answer

A)   Lettuce
B)   Cranberry juice
C)   Green beans
D)   TomatoesE) A) and B)
F) All of the above

Question 5

A burn injury may occur if incorrect technique is used when performing the:

Accepted Answer

A)   SSA test
B)   Clinitest
C)   Acetest
D)   IctotestE) A) and C)
F) C) and D)

Question 6

The albumin to creatinine ratio may be elevated in patients whose urine contains:

Accepted Answer

A)   Leukocytes
B)   Glucose
C)   Blood
D)   BilirubinE) A) and C)
F) None of the above

Question 7

The Ictotest is a more sensitive test for urinary bilirubin because:

Accepted Answer

A)   The tablets contain a more sensitive diazonium salt
B)   Sulfosalicylic acid is included in the tablets
C)   Bilirubin remains on the surface of the mat
D)   Water is used to dissolve the tabletE) A) and B)
F) A) and C)

Question 8

The finding of a 2+ reagent strip reaction for blood in the urine of a patient with severe lower back pain can aid in confirming a diagnosis of:

Accepted Answer

A)   Pyelonephritis
B)   Appendicitis
C)   Renal calculi
D)   Multiple myelomaE) B) and C)
F) A) and D)

Question 9

A random urine specimen and plasma glucose test that are to be drawn and collected at the same time can be used to confirm:

Accepted Answer

A)   Glomerulonephritis
B)   Nonpathogenic glycosuria
C)   Urinary tract infection
D)   Fanconi's syndromeE) B) and C)
F) None of the above

Question 10

A false-negative LE reaction may be caused by:

Accepted Answer

A)   The presence of eosinophils and basophils
B)   Increased bacteria
C)   Lysed leukocytes
D)   Failure to wait 2 minutes to read the reactionE) A) and B)
F) B) and D)

Question 11

State the most probable cause for each of the following scenarios:
-Excessive fizzing is observed when using Clinitest tablets.

Accepted Answer

A)   Decreased reducing substances
B)   Contaminated water
C)   Tablets deteriorated
D)   A plastic tube being usedE) B) and D)
F) None of the above

Question 12

The microalbumin test should be performed on:

Accepted Answer

A)   All negative reagent strip proteins
B)   A 24 urine collection
C)   Urine that has been refrigerated
D)   A first morning collectionE) All of the above
F) A) and B)

Question 13

The ketones that are produced in normal adult metabolism include all of the following except:

Accepted Answer

A)   Acetone
B)   Phenylketones
C)   Acetoacetic acid
D)   Beta-hydroxybutyric acidE) C) and D)
F) B) and D)

Question 14

The following questions relate to the substances formed in the degradation of heme:
-The substance produced in the liver is:

Accepted Answer

A)   Urobilinogen
B)   Unconjugated bilirubin
C)   Stercobilinogen
D)   Conjugated bilirubinE) A) and C)
F) A) and D)

Question 15

The reagent strip reaction that should be read last is the:

Accepted Answer

A)   Nitrite
B)   Bilirubin
C)   Protein
D)   Leukocyte esteraseE) All of the above
F) A) and B)

Question 16

When performing a reagent strip specific gravity on an alkaline urine,0.005 should be subtracted from the reading.

Accepted Answer

A) True 
 B)False

Question 17

Failure to blot the edge of the reagent strip may result in errors in color interpretation caused by:

Accepted Answer

A)   Excess dilution
B)   Runover
C)   Reagent leaching
D)   Chemical concentrationE) C) and D)
F) B) and D)

Question 18

When using the reagent strip microalbumin method,false-negative results may occur in the presence of:

Accepted Answer

A)   Large amounts of glucose
B)   Radiographic contrast media
C)   Bence Jones protein
D)   Highly dilute urineE) None of the above
F) A) and B)

Question 19

The following questions relate to the substances formed in the degradation of heme:
-Which of the following substances recirculates to the liver?

Accepted Answer

A)   Urobilinogen
B)   Unconjugated bilirubin
C)   Stercobilinogen
D)   Conjugated bilirubinE) A) and C)
F) A) and D)

Question 20

A specific gravity reading of 1.040 by refractometer and 1.015 by reagent strip is indicative of:

Accepted Answer

A)   Reagent strip deterioration
B)   Radiographic dye
C)   Low urine pH
D)   Refrigerated urineE) All of the above
F) None of the above

Exam 5: Chemical Examination of Urine

A burn injury may occur if incorrect technique is used when performing the:

Correct AnswerverifiedShow Answer

The Ictotest is a more sensitive test for urinary bilirubin because:

Correct AnswerverifiedShow Answer

All of the following can be used to detect the presence of microalbuminuria except the:

Correct AnswerverifiedShow Answer

Failure to blot the edge of the reagent strip may result in errors in color interpretation caused by:

Correct AnswerverifiedShow Answer

The following questions relate to the substances formed in the degradation of heme: -The substance produced in the liver is:

Correct AnswerverifiedShow Answer

The following questions relate to the substances formed in the degradation of heme: -Which of the following substances recirculates to the liver?

Correct AnswerverifiedShow Answer

All of the following will produce an alkaline urine except:

Correct AnswerverifiedShow Answer

State the most probable cause for each of the following scenarios: -Excessive fizzing is observed when using Clinitest tablets.

Correct AnswerverifiedShow Answer

A false-negative LE reaction may be caused by:

Correct AnswerverifiedShow Answer

The albumin to creatinine ratio may be elevated in patients whose urine contains:

Correct AnswerverifiedShow Answer

A random urine specimen and plasma glucose test that are to be drawn and collected at the same time can be used to confirm:

Correct AnswerverifiedShow Answer

The microalbumin test should be performed on:

Correct AnswerverifiedShow Answer

When performing a reagent strip specific gravity on an alkaline urine,0.005 should be subtracted from the reading.

Correct AnswerverifiedShow Answer

The finding of a 2+ reagent strip reaction for blood in the urine of a patient with severe lower back pain can aid in confirming a diagnosis of:

Correct AnswerverifiedShow Answer

A possible cause of postrenal proteinuria is:

Correct AnswerverifiedShow Answer

When bilirubin is detected in the urine,it can be assumed that:

Correct AnswerverifiedShow Answer

The reagent strip reaction that should be read last is the:

Correct AnswerverifiedShow Answer

A specific gravity reading of 1.040 by refractometer and 1.015 by reagent strip is indicative of:

Correct AnswerverifiedShow Answer

When using the reagent strip microalbumin method,false-negative results may occur in the presence of:

Correct AnswerverifiedShow Answer

The ketones that are produced in normal adult metabolism include all of the following except:

Correct AnswerverifiedShow Answer

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