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Urinalysis Test Questions

Urinalysis Test Questions
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Side ASide B
Which of the following would be affected by allowing a urine specimen to remain at room temp for 3hrs before analysis? a) protein b) occult blood c) specific gravity d) pH
D
Which of the following urine results is most apt to be changed by prolonged exposure to light? a) ketones b) pH c) bilirubin d) protein
C
A urine specimen comes to the lab 7 hrs after it is obtained. It is acceptable for culture only if the specimen has been stored: a) frozen b) at room temp c) w/ a preservative d) at...
D
While performing a urinalysis, a tech notices that the urine specimen has a fruity odor. This pt's urine most likely contains: a) porphyrin b) acetone c) bilirubin d) coliform bacteria
B
Some regional and public health labs carry out mass screening tests on the urine of newborns for a genetic disorder involving the metabolism of: a) glucose b) lactose c) galactose d)...
C
All casts typically contain: a) Tamm-Horsfall Protein b) globulin c) albumin d) immunoglobulins G & M
A
The term used to describe the presence of leukocytes in urine is: a) hematuria b) pyuria c) leukocytosis d) chyluria
B
An ammonia-like odor is characteristically assoc. w/ urine from pts who: a) are diabetic b) have hepatitis c) have a bacterial infection d) have a viral infection
C
A urine specimen is analyzed for glucose by a glucose oxidase reagent strip & a copper reduction test. Both results are pos, which of the following interpretations is correct?...
B
The type of urinary cast that is MOST characteristically assoc. w/ glomerular injury is a/an: a) fatty cast b) white cell cast c) epithelial cell cast d) red cell cast
D
A rgt. strip test for hgb has been reported pos. Microscopic exam. fails to yield RBCs. The pt's condition can be called: a) hemoglobinuria b) hematuria c) hemosiderin d) oliguria
A
A urine's specific gravity is directly proportional to its: a) turbidity b) dissolved solids c) salt content d) sugar content
B
The confirmatory test for a pos protein result by the rgt strip method uses: a) a diazo reaction b) sulfosalicylic acid c) Ehrlich's rgt d) a copper reduction tablet
B
Which of the following casts is most likely to be found in healthy people? a) RBC b) WBC c) hyaline d) waxy
C
The clarity (appearance) of a urine specimen should be determined: a) using glass tubes only, never plastic b) following through mixing of the specimen c) after addition of SSA d) after...
B
A pt w/ uncontrolled diabetes mellitus will MOST likely have: a) concentrated urine w/ a high specific gravity b) conc. urine w/ a low specific gravity c) pale urine w/ a high specific...
A
Cessation of urine flow is defined as: a) azotemia b) dysuria c) diuresis d) anuria
D
Upon standing at room temp a urine pH typically: a) remains the same b) decreases c) changes depending on bacterial conc. d) increases
D
ADH regulates the excretion & reabsorption of: a) potassium b) calcium c) water d) glucose
C
Calibration of refractometers is done by measure the specific gravity of: a) distilled water & urea b) distilled water & sodium chloride c) distilled water & glucose d)...
B
A 17-y.o. girl decided to go on a starvation diet. After 1 week of starving herself, what substance would MOST likely be found in her urine? a) protein b) ketones c) glucose d) blood
B
Which of the following rgts is used to react w/ ketones in the urine? a) acetoacetic acid b) acetone c) sodium nitroprusside d) beta-hydroxybutyric acid
C
Which of the following is the primary rgt in the copper reduction tablet? a) polymerized diazonium salt b) copper sulfate c) sodium carbonate d) glucose oxidase
B
What cell is MOST commonly assoc w/ vaginal contamination? a) glitter cells b) transitional epithelial cells c) WBCs d) squamous epithelial cells
D
Urinary calculi most often consist of: a) cystine b) leucine c) uric acid d) calcium
D
Small round objects found in a urine sediment that dissolve after addition of dilute acetic acid & that don't polarize MOST likely are: a) air bubbles b) calcium oxalate c) RBCs...
C
Tiny colorless, dumbbell-shaped crystals are found in an alkaline urine sediment. They MOST likely are: a) calcium oxalate b) calcium carbonate c) calcium phosphorus d) amorphous phosphate
B
A clean-catch sample is submitted to the lab for routine urinalysis & culture. The specimen is not "poured off" for the routine urinalysis, which is done first. The specimen...
B
The principle of the rgt strip for urine protein depends on : a) protein error of indicators b) an enzyme rxn c) the toluidine rxn d) copper reduction
A
After receiving a 24-hr urine sample for quantitative total protein analysis, the tech must 1st: a) subculture the urine for bacteria b) add the appropriate preservative c) screen for...
D
In addition to the sperm count in a fertility study, analysis of seminal fluid should also include a) time of liquification, qualitative test for hgb, motility b) time of liquification,...
D
The principle mucin in synovial fluid is: a) hyaluronate b) albumin c) orosomucoid d) pepsin
A
Urine osmolality is related to: a) volume b) specific gravity c) filtration d) pH
B
To avoid falsely elevated CSF counts: a) use an aliquot from the 1st tube collected b) use only those specimens showing turbidity c) centrifuge all specimens before counting d) use...
D
A positive result for bilirubin on a rgt strip should be followed up by: a) notifying the physician b) requesting a new specimen c) performing an Ictotest d) performing a urobilinogen
C
A urinalysis performed on a 2-wk old infant w/ diarrhea shows a neg rxn w/ the glucose oxidase rgt strip. A copper reduction tablet test should be performed to check the urine sample...
B
Amniotic fluid is immediately protected from light to preserve which of the following substances? a) phospholipids b) meconium c) fetal cells d) bilirubin
D
In CSF, which of the following indicates a traumatic tap? a) the presence of erythrophagocytic cells in the CSF b) hemosiderin granules w/in macrophages in the CSF sediment c) an uneven...
C
A synovial fluid specimen has a high cell count & requires dilution to be counted. Which of the following diluents should be used? a) phosphate buffer solution b) dilute methanol...
C
Which of the following parameters best IDs a fluid as a transudate or exudate? a) its color & clarity b) its leukocyte & differential counts c) its total protein & specific...
D
Ammonium sulfate was added to red urine. The urine had a positive rxn for blood, but no RBCs were seen on microscopic exam. After centrifugation, the supernatant fluid is red. The abnormal...
B
Urine that develops a port wine color after standing may contain: a) melanin b) porphyrins c) bilirubin d) urobilinogen
B


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