Urinalysis - MLS Exam Questions
and Answers 100% PASS
6) The following results were obtained on a urine specimen at 8:00 AM:
pH: 5.5; protein: 2+; glucose: 3+' ketones: 3+; blood: negative; bilirubin: positive;
nitrite: positive
If this urine specimen was stored uncapped at 5C without preservation and
retested at 2PM, which of the following test results would be changed due to these
storage conditions:
a. glucose
b. ketones
c. protein
d. nitrite - CORRECT ANSWER-B
9) A 24-hour urine from a man who had no evidence of kidney impairment was
sent to the laboratory for hormone determination. The volume was 600 mL, but
,there was some question as to the completeness of the 24-hour collection. The
next step would be to:
a. perform the hormone determination, since 600 mL is a normal 24-hour urine
volume
b. check the creatinine level; if it is <1g, do the procedure
c. report the hormone determination in mg/dL in case the specimen was
incomplete
d. check the creatinine level; if it is >1g, do the procedure - CORRECT
ANSWER-D
11) eGFR calculated by the MDRD formula takes into account the age, BUN, age,
race, albumin and what else for its calculations?
a. urea
b. ammonia
c. creatinine
d. cystatin C - CORRECT ANSWER-C
16) An ammonia-like odor is characteristically associated with urine from patients
who:
a. are diabetic
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protected by copyright law
, b. have hepatitis
c. have an infection with Proteus sp
d. have a yeast infection - CORRECT ANSWER-C
18) Acid urine that contains hemoglobin will darken on standing due to the
formation of:
a. myoglobin
b. sulfhemoglobin
c. methemoglobin
d. red blood cells - CORRECT ANSWER-C
25) A urine specimen collected on an apparently healthy 25-year-old man shortly
after he finished eating lunch was cloudy but showed normal results on a multiple
reagent strip analysis. The most likely cause of the turbidity is:
a. fat
b. white blood cells
c. urates
d. phosphates - CORRECT ANSWER-D
26) In which of the following metabolic diseases will urine turn dark brown to
black upon standing?
a. phenylketonuria
and Answers 100% PASS
6) The following results were obtained on a urine specimen at 8:00 AM:
pH: 5.5; protein: 2+; glucose: 3+' ketones: 3+; blood: negative; bilirubin: positive;
nitrite: positive
If this urine specimen was stored uncapped at 5C without preservation and
retested at 2PM, which of the following test results would be changed due to these
storage conditions:
a. glucose
b. ketones
c. protein
d. nitrite - CORRECT ANSWER-B
9) A 24-hour urine from a man who had no evidence of kidney impairment was
sent to the laboratory for hormone determination. The volume was 600 mL, but
,there was some question as to the completeness of the 24-hour collection. The
next step would be to:
a. perform the hormone determination, since 600 mL is a normal 24-hour urine
volume
b. check the creatinine level; if it is <1g, do the procedure
c. report the hormone determination in mg/dL in case the specimen was
incomplete
d. check the creatinine level; if it is >1g, do the procedure - CORRECT
ANSWER-D
11) eGFR calculated by the MDRD formula takes into account the age, BUN, age,
race, albumin and what else for its calculations?
a. urea
b. ammonia
c. creatinine
d. cystatin C - CORRECT ANSWER-C
16) An ammonia-like odor is characteristically associated with urine from patients
who:
a. are diabetic
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
, b. have hepatitis
c. have an infection with Proteus sp
d. have a yeast infection - CORRECT ANSWER-C
18) Acid urine that contains hemoglobin will darken on standing due to the
formation of:
a. myoglobin
b. sulfhemoglobin
c. methemoglobin
d. red blood cells - CORRECT ANSWER-C
25) A urine specimen collected on an apparently healthy 25-year-old man shortly
after he finished eating lunch was cloudy but showed normal results on a multiple
reagent strip analysis. The most likely cause of the turbidity is:
a. fat
b. white blood cells
c. urates
d. phosphates - CORRECT ANSWER-D
26) In which of the following metabolic diseases will urine turn dark brown to
black upon standing?
a. phenylketonuria
