Exam 5: Chemical Examination of Urine

A laboratory error that can result in an infant developing severe mental retardation could be attributed to failure to perform a/an:

Urobilinogen is formed from the:

Major advantages of the leukocyte esterase reagent strip test include all of the following except:

State the most probable cause for each of the following scenarios: -A test on a yellow-green specimen from a jaundiced patient is negative for bilirubin.

To detect the presence of early renal disease,diabetic patients are tested for:

A spotted reaction on the reagent strip reaction for blood can indicate:

Which of the following results is not typical of a urine specimen from an uncontrolled diabetic?

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

Which of the following best describes the chemical principle of the protein reagent strip?

Myoglobinuria may be caused by:

Urinary pH provides valuable information for the:

Proper care of reagent strips includes all of the following except:

Determine whether each of the following patients is expected to produce this urine. Urinalysis produces the following results: -A 42-year-old man taking diuretics and maintaining adequate fluid intake.

A 1+ reagent strip reaction and a 4+ Clinitest reaction could indicate the presence of:

Microalbumin tests are frequently used to screen patients with:

Ascorbic acid interferes with the reactions for bilirubin and nitrite by:

The nitrite test is not reliable unless specimens are collected using the midstream clean-catch technique.

Sodium nitroprusside and an alkaline buffer are used to test for:

A specific gravity of greater than 1.040 by refractometer is 1.025 when checked using a reagent strip.The technologist should:

Orthostatic proteinuria is a form of renal proteinuria.