Urinalysis & Body Fluids — BOC Exam
Q&A with Complete Solutions
A patient with uncontrolled diabetes mellitus will most likely have
A. Pale urine with a high specific gravity
B. Concentrated urine with a high specific gravity
C. Pale urine with a low specific gravity
D. Dark urine with a high specific gravity - ✔✔A
While performing an analysis of a baby's urine, the laboratorian notices the
specimen has a "mousy" odor. Of the following substances that may be
excreted in urine, the one that most characteristically produces this odor is
A. Phenylpyruvic acid
B. Acetone
C. Coliform bacilli
D. Porphyrin - ✔✔A
An ammonia-like odor is characteristically associate with urine from
patients who
A. Are diabetic
,B. Have hepatitis
C. Have an infection with Proteus spp
D. Have a yeast infection - ✔✔C
Urine that develops a port wine color after standing may contain
A. Melanin
B. Porphyrins
C. Bilirubin
D. Urobilinogen - ✔✔B
Acid urine that contains hemoglobin will darken on standing due to the
formation of
A. Myoglobin
B. Sulfhemoglobin
C. Methemoglobin
D. RBCs - ✔✔C
Urine from a 50-year old man was noted to turn dark red on standing. This
change is caused by the presence of
A. Glucose
B. Porphyrins
C. Urochrome
D. Creatinine - ✔✔B
,The clarity of a urine sample should be determined
A. Using glass tubes only; never plastic
B. Following thorough mixing of the specimen
C. After addition of sulfosalicylic acid
D. After the specimen cools to room temperature - ✔✔B
Milky urine from a 24 year old woman would most likely contain
A. Spermatozoa
B. May WBCs
C. RBCs
D. Bilirubin - ✔✔B
A brown-black urine would most likely contain
A. Bile pigment
B. Porphyrin
C. Melanin
D. Blood cells - ✔✔C
The yellow color of urine is primarily due to
A. Urochrome pigment
B. Methemoglobin
C. Bilirubin
D. Homogenistic acid - ✔✔A
, Red urine may be due to
A. Bilirubin
B. Excess urobilin
C. Myoglobin
D. Homogenistic acid - ✔✔C
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 test strip analysis. The most likely cause of the
turbidity is
A. Fat
B. WBCs
C. Urates
D. Phosphates - ✔✔D
In which of the following metabolic diseases will turn dark brown to black
upon standing?
A. Phenylketonuria
B. Alkaptonuria
C. Maple syrup disease
D. Aminoaciduria - ✔✔B
Urine osmolality is related to
Q&A with Complete Solutions
A patient with uncontrolled diabetes mellitus will most likely have
A. Pale urine with a high specific gravity
B. Concentrated urine with a high specific gravity
C. Pale urine with a low specific gravity
D. Dark urine with a high specific gravity - ✔✔A
While performing an analysis of a baby's urine, the laboratorian notices the
specimen has a "mousy" odor. Of the following substances that may be
excreted in urine, the one that most characteristically produces this odor is
A. Phenylpyruvic acid
B. Acetone
C. Coliform bacilli
D. Porphyrin - ✔✔A
An ammonia-like odor is characteristically associate with urine from
patients who
A. Are diabetic
,B. Have hepatitis
C. Have an infection with Proteus spp
D. Have a yeast infection - ✔✔C
Urine that develops a port wine color after standing may contain
A. Melanin
B. Porphyrins
C. Bilirubin
D. Urobilinogen - ✔✔B
Acid urine that contains hemoglobin will darken on standing due to the
formation of
A. Myoglobin
B. Sulfhemoglobin
C. Methemoglobin
D. RBCs - ✔✔C
Urine from a 50-year old man was noted to turn dark red on standing. This
change is caused by the presence of
A. Glucose
B. Porphyrins
C. Urochrome
D. Creatinine - ✔✔B
,The clarity of a urine sample should be determined
A. Using glass tubes only; never plastic
B. Following thorough mixing of the specimen
C. After addition of sulfosalicylic acid
D. After the specimen cools to room temperature - ✔✔B
Milky urine from a 24 year old woman would most likely contain
A. Spermatozoa
B. May WBCs
C. RBCs
D. Bilirubin - ✔✔B
A brown-black urine would most likely contain
A. Bile pigment
B. Porphyrin
C. Melanin
D. Blood cells - ✔✔C
The yellow color of urine is primarily due to
A. Urochrome pigment
B. Methemoglobin
C. Bilirubin
D. Homogenistic acid - ✔✔A
, Red urine may be due to
A. Bilirubin
B. Excess urobilin
C. Myoglobin
D. Homogenistic acid - ✔✔C
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 test strip analysis. The most likely cause of the
turbidity is
A. Fat
B. WBCs
C. Urates
D. Phosphates - ✔✔D
In which of the following metabolic diseases will turn dark brown to black
upon standing?
A. Phenylketonuria
B. Alkaptonuria
C. Maple syrup disease
D. Aminoaciduria - ✔✔B
Urine osmolality is related to
