AUBF_RATIO Flashcards
Excellent preservative for urine sediment?
a. Ethyl
b. Toluene
c. Sodium chloride
d. Formalin
d. Formalin
A technologist performed a STAT microscopic urinalysis and reported the following: WBC (10-13), RBC (2-6), Hyaline Cast (5-7), Bacteria (Moderate). The centrifuge tube was not discarded and the urine sediment was reevaluated on the microscope 5 hours after above result was reported. The second technologist reported the same results, except the Bacteria (plenty) and Hyaline Cast (none). The most probable explanation for second technologist’s findings is;
a. Cast dissolve due to the increase in urine pH.
b. Cast dissolve due to the decreaseurine pH.
c. Cast were never present in this specimen.
d. Sediment was not agitated before preparing the microscope slide
a. Cast dissolve due to the increase in urine pH.
A microscopic examination of urine sediment reveals ghost cells (RBC that became swollen in a dilute urine), these red blood cells most likely die due to?
a. Greater than 2% glucose concentration
b. Specific gravity of less than 1.007
c. A large amount of Ketone body
d. Presence of a neutral pH
b. Specific gravity of less than 1.007
Which of the following crystal may be found in acidic urine?
a. Calcium carbonate
b. Calcium oxalate
c. Calcium phosphate
d. Triple phosphate
b. Calcium oxalate
A reagent strip for hemoglobin has been reported positive. Microscopic examination fails to yield RBC, the patient condition can be called?
a. Hematuria
b. Hemoglobinuria
c. Oliguria
d. Hemosiderinuria
b. Hemoglobinuria
In multiple myeloma, the test was comparedprovided for reagent strip test and sulfosalicylic acid test.
a. Both test are negative. (Multiplemyeloma for reagent strip test is negative), (Sulfosalicylic acid test is negative)
In the ortho-dealuminate test for occult blood in feces, which property of hemoglobin is tested?
a. Iron containing
b. Ability to absorbed 410 nm
c. Peroxythadic activity
d. Oxygen transporting ability
c. Peroxythadic activity
Which collection method provides a sample for bacterial culture that is completely free from extraneous contamination?
a. Catheterized
b. Suprapubic
c. 24-hour
d. Midstream clean catch
b. Suprapubic
Tetramethylbenzidine is used as a reagent strip indicator for chromogen in? 1. Protein, 2. Glucose, 3. Blood
a. 1 only 2
b. 1,2, and 3
c. 2 and 3
d. None of the choices
c. 2 and 3
Amniotic fluid should be protected fromlight due to the presence of?
a. Bilirubin
b. Urobilinogen
a. Bilirubin
Statement 1 - Dietary intake affect urine volume. Statement 2 – Endocrine system affects urine volume. Which statements are correct?
a. Statement 1 is correct
b. Statement 2 is correct
c. Both statements are correct
d. Both statements are wrong
c. Both statements are correct
The presence of oxidizing agents in urine can affect the reagent/s; 1. Protein, 2. Glucose, 3. Ketone
a. 1 only
b. 1 and 2 only
c. 1,2 and 3
d. None
b. 1 and 2 only
A cloudy synovial fluid demonstrating poor viscosity, decrease glucose, increase wbc (180,000) 90% are segmenters, is most likely from a patient with?
a. Non-inflammatory
b. Crystal induced
c. Septic
d. Hemorrhagic
c. Septic
A urine with an increase protein and a high specific gravity. Which of the followingwould be a more accurate measure of urine concentration?
a. Osmolality
b. Ketones
c. Reflective index
d. pH
a. Osmolality
Which of the following crystals is seen in amber urine with a positive bilirubin?
a. Cysteine
b. Uric acid
c. Ammonium biurate
d. Thyroxine
d. Thyroxine
Excess urine of the reagent strip can turn a normal pH result into a falsely acidic pHwhen which of the following reagents runs into the Ph pads?
a. Tetrabromphenol blue
b. Citrate Buffer
c. Glucose oxidase
d. Alkaline copper sulfate
b. Citrate Buffer
Which of the following would be most affected by allowing a urine specimen to remain at room temperature for 3 hours before analysis?
a. Occult Blood
b. Specific Gravity
c. pH
d. Protein
c. pH
Meningitis results in CSF glucose
a. Decrease glucose and increase protein
Laboratory characteristics of malabsorptionsyndrome due to pancreatic deficiency include:
a. Fecal Lymphocyte
b. Positive pH test
c. Fecal Occult blood
d. Fecal Pus
d. Fecal Pus
Failure of laboratory personnel todocument the time of semen sample that is collected primarily affects in the relationof?
a. Liquefaction
Statement 1 – all crystals found in urine sample is considered normal, Statement 2 –all epithelial cells found in urine are considered normal.
a. Both statements are incorrect
A urine specimen collected from anapparently health 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. WBC
c. Urates
d. Phosphates
d. Phosphates
During a normal production of cerebrospinal fluid, the excess fluid is absorbed in?
a. Lymphatic
The most valuable initial aide for the identification of urine crystals?
a. pH
Which of the following test does not havenegative grade of the reagent strip?
a. Immunodeficient
Regarding the N:S ratio which statement is true; Statement 1- Lecithin is stable but sphingomyelin increases with maturity, statement 2- ratio asses the central integrity, Statement 3- N:S ratio is close to 1:1 until the 35th wave when it is traumatically increases.
a. Statement 1 is correct
b. Statement 2 is Correct
c. Statement 3 is correct
d. All are correct
c. Statement 3 is correct
- Urine specimen comes to the laboratory 7 hours after it is obtained. It is acceptable for culture only if the specimen has been stored:
a. At room temperature
b. At -4 to -7 degrees Celsius
c. Frozen
d. With a progressive additive
b. At -4 to -7 degrees Celsius
- A urine specimen analyzes for glucose-byglucose oxidase reagent strip and a copper reduction test. If only the copper reduction is positive, which of the followinginterpretation is correct?
a. Galactose is present
b. Glucose is present
c. Lactose is present
d. Sucrose is present
a. Galactose is present
- While performing a routine urinalysis, the technologist notes a 2 positive protein result in the reagent strip, it should be confirm with:
a. SSA
Urine that develops a port wine color after standing may contain;
a. Melanin
b. Porphyrins
c. Bilirubin
d. Urobilinogen
b. Porphyrins
Dysmorphic RBC is seen in urine withpatients of having: 1. Glomerulonephritis, 2. Stannous exercise, 3. Pyelonephritis
a. 1 only
b. 1 and 2
c. 1,2 and 3
d. All
b. 1 and 2
Tubular disfunction results to:
a. Excretion of larger plasma protein in urine
b. Excretion of smaller plasma proteinin urine
c. High urine dissolve content
d. Excretion of large volumes of urine
b. Excretion of smaller plasma proteinin urine
A technologist is having trouble differentiating between RBC, Oil droplet, and yeast cell in the urine in microscopy. Acetic acid should be added to the sediment for?
a. To lyse the RBC
On a bright light microscopic examination of a urinary sediment, round globules are present so there is a presence of cast. Apolarized microscopic examination of urinary structure shows that there is bifringent globules in a shape of a Maltesecross inside the hyalin matrix. This urinary structure can be identified as?
a. Fatty Cast
Presence of ketone bodies in the urine specimen in the reagent trip impregnated with sodium nitroprusside. The reagent trip presents the presence of?
a. Acetoacetic and acetone
Collection of sputum is through: 1. Throat swab, 2. Broncho alveolar lavage,
a. All are correct
Bright red blood and mucus seen in feces is often caused by:
a. After lower GI Bleeding
Microscopic finding of patient with nephrotic syndrome: 1. RBC present, 2. Fat bodies present, 3. WBC cast present.
a. 1 only
b. 1 and 2 only
c. 3 only
d. All
b. 1 and 2 only
Enzymes for the coagulation and liquefaction of semen are produced in:
Prostate gland
Which of the following can give a false negative urine protein?
a. Contamination of vaginal discharge
b. Presence of pus
c. Very dilute urine
d. Presence of blood
c. Very dilute urine
Glitter cells are microscopic finding in:
a. WBC in Hypotonic urine
b. WBC in Hypertonic urine
a. WBC in Hypotonic urine
Pleural, Peritoneal, and Pericardial fluids are called?
a. Ultra filtrates of plasma
Urine specimen property is very proportional to:
a. Dissolved solids
Epithelial cell cast are indicative of:
a. Tubular necrosis
Calibration of centrifuge
a. Daily
b. Weekly
c. Quarterly
d. Annually
c. Quarterly
Calibration of Microscope
a. Daily
b. Weekly
c. Quarterly
d. Annually
d. Annually
Urine sample should be examined within 1-2 hours of voiding because:
a. Bacteria contamination will cause alkalinization of the urine
The measurement of pH in urine reagent strip is:
a. Hydrogen ions
No formation of a string with a synovial fluid indicates:
a. Inflammation
If the first portion of the second specimen is not collected, which of the choices will be at normal?
a. Concentration
A lumbar puncture should not be performed if the patient has?
a. Inflammation in the puncture site
To prepare a solution for quality control of refractometer what should the technologist use?
a. Sodium chloride
Glomerular filtration carrier Is composed of:
a. Endothelium
b. Basement membrane
c. Codocytes
d. All choices
d. All choices
Which fecal chemistry demonstrates fecal blood from maternal blood;
a. Camp test
The part of the kidney in which there is a selective retention and excretion:
a. Tubules
Extremely alkaline semen pH may be caused by;
a. Decrease prostatic secretion
Reagent strip by a disodium salt such as diazo… :
a. Bilirubin
Cells normally seen in CSF, except;
a. Lymphocytes
b. Ependymal
c. Monocytes
d. Blasts
d. Blasts
High concentration of ascorbic acid in the urine will interfere with?
a. Glucose, blood
Urine that is to be disposed in the lab must be; 1. neutralized first, 2. Followed immediately with plenty of water.
a. 1 only
b. 1 and 2
c. 2 only
d. None
c. 2 only
Which of the following is the best to measure for the centrifugation?
a. Pathometer
Triple phosphate is found in:
a. Akaline pH and non-pathologic
Fern’s test is used to:
a. Distinguish amnionic fluid from urine
Undigested muscle fiber in stool specimenis indicative of:
a. Pancreatic insufficiency
Following of clinical conditions produce positive result of PCG, EXCEPT
a. Germ cell tumor
b. Testical cancer
c. Rh null
d. Nephrotic syndrome
d. Nephrotic syndrome
A positive reaction to the blood test reagent strip with renal calculi because of the:
a. Hematuria
Never use this when using the microscopein the high-power objective;
a. Coarse adjustment knob
Which specimen of choice for cytologic examination:
a. Suprapubic
Disinfection of centrifuge is done:
a. Daily
b. Weekly
b. Weekly
Type of specimen best use to detectorthostatic proteinuria:
a. First morning
Which of the following is locatedsurrounding brain;
a. Subarachnoid
Urinary tract factors that is responsible in removal of waste and reabsorption of nutrients:
a. Renal pelvis
b. Renal calcula
c. Cortical Nephron
d. Juxtamedullary nephron
c. Cortical Nephron
