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Urinalysis Exam 1 Graded A+
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Urinalysis Exam 1 Graded A+
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Urinalysis Exam 1 Graded A+1) A burn injury may occur if incorrect technique is used when performing the: A. SSA test
B. Clinitest
C. Acetest
D. Ictotest - ANS-clinitest
1) A dark blue color in the reagent strip pad for specific gravity indicates: A. A low specific gravity
B. A contaminated specimen
C. Increased protein is interfering
D. A high specific gravity - ANS-a low spg
1) A dark yellow urine producing yellow foam may contain:
A. Hemoglobin
B. Protein
C. Red blood cells
D. Bilirubin - ANS-bilirubin
1) A false-negative LE reaction may be caused by: A. The presence of eosinophils and basophils
B. Increased bacteria
C. Lysed leukocytes
D. Failure to wait 2 minutes to read the reaction - ANS-Failure to wait 2 minutes to read the reaction
1) A laboratory error that can result in an infant developing severe mental retardation could be attributed to failure to perform a/an: A. Acetest
B. SSA test
C. Ictotest
D. Clinitest - ANS-clinitest
1) A laboratory that routinely screens all infants with the Clinitest is accused of missing a case of galactosuria. A. "Pass through" was not observed
B. Specimen was too old
C. High level of ketones
D. High level of glucose - ANS-"Pass through" was not observed
1) A lipid droplet that does not stain with Sudan III may be composed of:
A. Triglycerides
B. Cholesterol
C. Neutral fats D. Chylomicrons - ANS-cholesterol
1) A medical laboratory science student consistently obtains lower RBC counts than the instructor. A possible reason for this might be:
A. Failure to completely resuspend the sedimented specimen
B. Reading the same cells twice
C. Counting all crenated cells twice
D. Using too much stain - ANS-Failure to completely resuspend the sedimented specimen
1) A patient that has been diagnosed with diabetes mellitus will produce urine with:
A. Increased volume and decreased specific gravity
B. Decreased volume and decreased specific gravity
C. Increased volume and increased specific gravity
D. Decreased volume and increased specific gravity - ANS-increased volume and increased spg
1) A possible cause of postrenal proteinuria is: A. Prostatitis
B. Multiple myeloma
C. Glomerulonephritis
D. Posture - ANS-prostatitis
1) A random urine specimen and plasma glucose test that are to be drawn and collected
at the same time can be used to confirm: A. Glomerulonephritis
B. Nonpathogenic glycosuria
C. Urinary tract infection
D. Fanconi's syndrome - ANS-Nonpathogenic glycosuria
1) A reagent strip test for blood is reported positive. No red blood cells are seen on the microscopic examination. The patient's condition is called: A. Hematuria
B. Oliguria
C. Hemoglobinuria
D. Hemosiderinuria - ANS-Hemoglobinuria
1) A spotted reaction on the reagent strip reaction for blood can indicate: A. Hematuria
B. Hemoglobinuria
C. Myoglobinuria
D. Porphyrinuria - ANS-hematuria
1) A student reports a positive urobilinogen using Multistix and a negative urobilinogen using Chemstrip on the same specimen. A. Outdated reagent strip B. Porphobilinogen present
C. Failure to mix specimen
D. Refrigerated specimen - ANS-outdated reagent strip
1) A technical error that could cause a discrepancy between freezing-point and vapor-
pressure osmometry readings is: A. Failure to refrigerate the sample
B. Evaporation of the sample
C. Failure to separate cells and serum
D. Fluid deprivation of the patient - ANS-failure to separate cells and serum
1) A test on a yellow-green specimen from a jaundiced patient is negative for bilirubin.
A. Bilirubin oxidized to biliverdin
B. Glucose interference
C. Bilirubin reduced to urobilinogen
D. Presence of Lodine - ANS-bilirubin oxidized to biliverdin
1) A urine sample that tests positive for ketones and negative for glucose is most likely from a patient suffering from: A. Diabetes insipidus
B. Diabetes mellitus
C. Polydipsia
D. Starvation - ANS-starvation
1) A urine specimen is analyzed for glucose by a glucose oxidase reagent strip and a copper reduction test. If both results are positive, which of the following interpretations is
correct? A. Galactose only is present
B. Glucose only is present
C. Lactose only is present
D. Ascorbic acid only is present - ANS-glucose only is present
1) A urine specimen is referred for cytodiagnostic urine testing to detect the presence of: A. Trichomonas vaginalis
B. Blitter cells
C. Malignant cells
D. Spermatozoa - ANS-malignant cells
1) A urine specimen that turns black after standing may contain:
A. Porphobilinogen
B. Homogentisic acid
C. Carboxyhemoglobin
D. Myoglobin - ANS-homogentistic acid
1) A urine specimen with a pH of 9.0 indicates that the patient should be: A. Tested further for metabolic or respiratory alkalosis B. Changed to a high meat diet to lower the pH
C. Placed on medication to lower the pH
D. Asked to collect a new specimen - ANS-asked to collect a new specimen
1) A urine with a high pH reading can contain a: A. High concentration of chloride ions
B. High concentration of hydrogen ions
C. Low concentration of chloride ions
D. Low concentration of hydrogen ions - ANS-low concentration of hydrogen ions
1) A urine with the same specific gravity as the ultrafiltrate is called:
A. Isosthenuric
B. Hyposthenuric
C. Ultrasthenuric
D. Hypersthenuric - ANS-isosthenuric
1) A vegetarian consistently has false-positive readings for blood on routine specimens.
A. Ketone interference
B. Dilute specimen
C. Increased leukocytes
D. Vegetable peroxidase - ANS-vegetable peroxidase
1) All of the following are reported as the quantity per high-power field except:
A. Casts
B. Red blood cells (RBCs)
C. White blood cells (WBCs)
D. Bacteria - ANS-casts
1) All of the following can be used to detect the presence of microalbuminuria except the: A. Multistix Pro
B. Sulfosalicylic acid (SSA) test
C. Micral-Test
D. Clinitek 50 - ANS-Sulfosalicylic acid (SSA) test
1) All of the following descriptions apply to orthostatic proteinuria except: A. Most commonly appears in young adults
B. Usually occurs without apparent disease
C. Urinary proteins are excreted only when the patient is lying down
D. Is considered to be a functional, transitory proteinuria - ANS-Urinary proteins are excreted only when the patient is lying down
1) All of the following may interfere with glucose detection in a urine specimen except: A. Galactose
B. Ascorbic acid
C. The sample sits at room temperature for 4 hours
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