A Trivia Quiz On Urinalysis Problem!
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- 1.Normal urine primarily consist of:
- A.
Water, protein, and sodium
- B.
Water, urea, and protein
- C.
Water, urea, and sodium chloride
- D.
Water, urea, and bilirubin
- 2.
- A.
Decreased volume and decreased specific gravity
- B.
Decreased volume and increased specific gravity
- C.
Increased volume and decreased specific gravity
- D.
Increased volume and increased specific gravity
- 3.Cessation of urine flow is defined as:
- A.
Azotemia
- B.
Dysuria
- C.
Diuresis
- D.
Anuria
- 4.Upon standing at room temperature a urine pH typically:
- A.
Decreases
- B.
Increases
- C.
Remains the same
- D.
Changes depending on bacterial concentration
- 5.Antidiretic hormone regulates the reabsorption of:
- A.
Water
- B.
Glucose
- C.
Potassium
- D.
Calcium
- 6.Calibration of refractometers is done by measuring the specific gravity of:
- A.
Distilled water and protein
- B.
Distilled water and glucose
- C.
Distilled water and sodium chloride
- D.
Distilled water and urea
- 7.A 17-year-old 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
- 8.Which of the following crystals may be found in acidic urine?
- A.
Calcium carbonate
- B.
Calcium oxalate
- C.
Calcium phosphate
- D.
Triple phosphate
- 9.Which of the following reagents is used to react with ketones in the urine?
- A.
Sodium nitroprusside
- B.
Acetoacetic acid
- C.
Acetone
- D.
Beta-hydroxybutyric acid
- 10.
- A.
Maltose
- B.
Galactose
- C.
Glucose
- D.
Lactose
- 11.Which of the following casts is most indicative of severe renal disease?
- A.
Hemoglobin
- B.
Granular
- C.
Cellular
- D.
Waxy
- 12.Which of the following is the primary reagent in the copper reduction tablet?
- A.
Sodium carbonate
- B.
Copper sulfate
- C.
Glucose oxidase
- D.
Polymerized diazonium salt
- 13.Which of the following is an abnormal crystal described as a hexagonal plate?
- A.
Cystine
- B.
Tyrosine
- C.
Leucine
- D.
Cholesterol
- 14.Which of the following cells is the largest?
- A.
Glitter
- B.
WBC
- C.
Transitional epithelial
- D.
Renal epithelial
- 15.What cell is MOST commonly associated with vaginal contamination?
- A.
White
- B.
Transitional
- C.
Squamous
- D.
Glitter
- 16.Urinary calculi most often consist of:
- A.
Calcium
- B.
Uric acid
- C.
Leucine
- D.
Cystine
- 17.Small round objects found in a urine sediment that dissolve after addition of dilute acetic acid and do not polarize most likely are:
- A.
Air bubbles
- B.
Calcium oxalate
- C.
Red blood cells
- D.
Yeast cells
- 18.Tiny colorless, dumbbell-shaped crystals were found in an alkaline urine sediment. They most likely are:
- A.
Calcium oxalate
- B.
Calcium carbonate
- C.
Calcium phosphate
- D.
Amorphous phosphate
- 19.A 24-year-old obese diabetic woman had the following blood and urine test results from specimens obtained at the same time: pH=7.5, Protein=30mg/dL, Glucose=negative, Ketones=15mg/dL, Bilirubin=negative, Blood=negative, Nitrite=negative, Urobilinogen=1EU/dL, SG=1.008Microscopic: Epithelial cells=3-5, bacteria=many, Yeast=many, Amorphous=moderate, Blood sugar=195mg/dLWhich of the following is the most likely explanation for the negative urine glucose finding?
- A.
There is a false-negative glucose due to oxidizing contaminants.
- B.
There is a false-negative glucose due to the alkaline pH.
- C.
The specimen is probably old and the bacteria and yeast have consumed the glucose.
- D.
Glucose would not be present in the urine specimen since the blood sugar was normal.
- 20.
- A.
Be centrifuged and the supernatant cultured
- B.
Be rejected due to possible contamination from routine urinalysis
- C.
Not be cultured if no bacteria are seen
- D.
Be immediately processed for culture regardless of urinalysis results
- 21.
- A.
Perform the hormone determination, since 600 mL is a normal urine 24-hour volume
- B.
Check the creatinine level; if it is less than 1g do the procedure
- C.
Report the hormone determination in milligrams per deciliter in case the specimen was incomplete
- D.
Check the creatinine level; if it is greater than 1g do the procedure
- 22.
- A.
Red blood cells, leukocytes, and casts agglutinate after standing for several hours at room temperature
- B.
Urobilinogen increases and bilirubin decreases after prolonged exposure to light
- C.
Bacterial contamination will cause alkalinization of the urine
- D.
Ketones will increase due to bacterial and cellular metabolism
- 23.The principle of the reagent strip test for urine protein depends on:
- A.
An enzyme reaction
- B.
Protein error of indicators
- C.
Copper reduction
- D.
The toluidine reaction
- 24.After receiving a 24-hour urine sample for quantitative total protein anaylsis, the technician must first:
- A.
Subculture the urine for bacteria
- B.
Add the appropriate preservative
- C.
Screen for albumin using a dipstick
- D.
Measure the total volume
- 25.Which of following is the best guide to consistent centrifugation?
- A.
Potentiometer setting
- B.
Armature settings
- C.
Tachnometer readings
- D.
Rheostat readings
- 26.In addition to the sperm count in a fertility study, analysis of seminal fluid should also include:
- A.
Time of liquefaction, estimation of motility, morphology
- B.
Motility, morphology, test for alkaline phosphatase
- C.
Tiem of liquefaction, test for acid phosphatase, qualitative test for hemoglobin
- D.
Time of liquefaction, qualitative test for hemoglobin and motility
- 27.
- A.
The fluid is synovial fluid
- B.
Plasma was obtained
- C.
Red blood cells caused a false-positive reaction
- D.
The specimen is not adequate
- 28.A sperm count is diluted 1:20 and 50 sperm are counted in two large squares of the Neubauer counting chamber. The sperm count in mLs is:
- A.
5000
- B.
50,000
- C.
500,000
- D.
5,000,000
- 29.Ammonium sulfate was added to red urine. The urine has a positive reaction for blood, but no RBCs were seen on microscopic examination. After centrifugation the supernatant fluid is red. The abnormal color is caused by:
- A.
Pyridium
- B.
Hemoglobin
- C.
Porphyrins
- D.
Myoglobin
- 30.Urine from a 50-year-old man was noted to turn dark red on standing. This change is caused by:
- A.
Glucose
- B.
Porphyrins
- C.
Urochrome
- D.
Creatinine
- 31.The principal mucin in synovial fluid is:
- A.
Hyaluronate
- B.
Albumin
- C.
Orosomucoid
- D.
Pepsin
- 32.A turbid cerebrospinal fluid is most commonly caused by:
- A.
Increased white blood cells
- B.
Increased protein
- C.
Increased glucose
- D.
Increased bacterial organisms
- 33.The synovial fluid easily forms small drops from the aspirating syringe. This viscosity is:
- A.
Normal
- B.
Increased
- C.
Associated with inflammation
- D.
Associated with hypothyroidism
- 34.Pleural transudates differ from pleural exudates in the transudates have:
- A.
Protein values of >4g/100mL
- B.
Specific gravity values of >1.020
- C.
LD values of >200U/L
- D.
Relatively low cell counts
- 35.A urine tested with Clinitest exhibits a pass through reaction and is diluted by adding 2 drops of urine to 10 drops water. This is a dilution of:
- A.
1 to 4
- B.
1 to 5
- C.
1 to 6
- D.
1 to 8
- 36.The normal renal threshold for glucose in the adult is appoximately:
- A.
50mg/dL
- B.
100mg/dL
- C.
160mg/dL
- D.
300mg/dL
- 37.Urine osmolality is related to:
- A.
PH
- B.
Filtration
- C.
Specific gravity
- D.
Volume
- 38.A micropipet graduated to the tip and calibrated to contain should:
- A.
Be drained
- B.
Be rinsed
- C.
Not be blown out
- D.
Not be rinsed
- 39.The primary consituent of hyaline casts is:
- A.
Fat
- B.
Cells
- C.
Protein
- D.
Mucus
- 40.The knob between the eyepieces on a binocular microscope is used to:
- A.
Correct for optical differences between the right and left eyes
- B.
Adjust for distances between one's eyes
- C.
Change the magnification of the oculars
- D.
Improve the equibalent focus of the microscope
- 41.Urine that develops a port wine color after standing may contain:
- A.
Melanin
- B.
Porphyrins
- C.
Bilirubin
- D.
Urobilinogen
- 42.To avoid falsely elevated spinal fluid cell counts:
- A.
Use an aliquot from the fist tube collected
- B.
Use only those specimens showing no turbidity
- C.
Centrifuge all specimens before counting
- D.
Select an aliquot from the last tube collected
- 43.The volume of urine excreted in a 24-hour period by an adult patient was 500 mL. This condition would be termed:
- A.
Anuria
- B.
Oliguria
- C.
Polyuria
- D.
Dysuria
- 44.Which of the following can give a false-negative urine protein reading?
- A.
Contamination with vaginal discharge
- B.
Heavy mucus
- C.
Presence of blood
- D.
Very dilute urine
- 45.An acid urine that contains hemoglobin will darken on standing due to the formation of:
- A.
Myoglobin
- B.
Sulfhemoglobin
- C.
Methenoglobin
- D.
Red blood cells
- 46.A centrifuge head has a diameter of 60 cm and spins at 3000 rpm. What is the maximum achievable g force (g=0.00001 x radius in cm x rpm^2)?
- A.
1.8g
- B.
2700g
- C.
27,000g
- D.
90,000g
- 47.Osmolality is a measure of:
- A.
Dissolved particles, including ions
- B.
Undissociated molecules only
- C.
Total salt concentration
- D.
Molecule size
- 48.Urine with an increased protein has a high specific gravity. Which of the following would be a more accurate measure of urine concentration?
- A.
Osmolality
- B.
Ketones
- C.
Refractive index
- D.
PH
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