blood cells will disintegrate more rapidly in urine that is: Dilute and alkaline primary cause of the changes that take place in unpreserved urine is: Bacterial growth urine chemicals will deteriorate when exposed to light? Bilirubin is least likely to occur if a urine specimen stands at room temperature for more than 2 hours? Decreased pH specimen for reagent strip glucose analysis can be preserved using all of the following methods except: A. Refrigeration B. Boric acid C. Sodium fluoride D. Commercial tablets urine specimen containing a large amount of precipitated amorphous material may have been preserved using: Refrigeration the laboratory, the preferred method of urine preservation is: Refrigeration specimen for routine urinalysis and culture can be preserved using: Boric acid of the following are good preservatives of urinary cellular elements except: A. acid B. Formalin C. Sodium fluoride D. Thymol analysis, a refrigerated urine specimen must be: Returned to room temperature recommended specimen for routine urinalysis testing is the: First morning specimen required specimen for quantitative analysis of urinary constituents is the: Timed specimen first morning specimen is frequently requested to confirm: Orthostatic proteinuria morning specimen from a patient with no history of symptoms for diabetes is positive for glucose. The patient should: Be asked to collect the second morning specimen specimen of choice for routine urinalysis is the first morning urine because it: Is more concentrated to better detect abnormalities of the following specimens are acceptable for a urine culture except: A. Catheterized specimen B. Timed specimen C. Suprapubic aspiration D. Midstream clean-catch specimen of a substance that varies with daily activities should be performed on a: 24-hour specimen to empty the bladder before beginning the collection of a timed urine specimen will: falsely increased results
A cloudy, brown- black urine with a positive test for blood and a strong odor of ammonia Acceptable or unacceptable for routine urinalysis testing? A hazy, yellow urine that produces a noticeable amount of white foam Acceptable Acceptable or unacceptable for routine urinalysis testing? A port wine colored specimen with a negative test for blood Acceptable Acceptable or unacceptable for routine urinalysis testing? A pale yellow urine with a noticeable odor of bleach Unacceptable Clinically significant or non-significant urine turbidity? White blood cells Significant urine turbidity Clinically significant or non-significant turbidity? Radiographic contrast media Non-significant urine turbidity Clinically significant or non-significant turbidity? Squamous epithelial cells Non-significant Clinically significant or non-significant turbidity? Bacteria Significant Clinically significant or non-significant urine turbidity? Lipids Significant Clinically significant or non-significant turbidity? Amorphous urates Non-significant Melanin causes what color urine? Black Clorets cause what color urine? Green A patient with polydipsia has what color urine? Pale yellow Porphobiliogen causes what color urine? Red Pseudomonas infection causes what urine? Green Beets cause what color urine? Red Bilirubin causes what color urine? Dark yellow Normal has what odor? Aromatic Bacterial infection causes what odor in the Ammonia Diabetes mellitus causes what odor in the urine? Fruity Proper care of reagent strips includes all of the following except: A. Checking the expiration date B. Storing in a clear container C. Preventing exposure to toxic fumes D. Storing with a desiccant
The presence of crenated RBCs in the urine sediment is associated with: Hypersthenuria Dilute alkaline urine should be examined carefully for the presence of: Ghost RBCs A patient with severe back pain and 15 to 20 RBCs/hpf in the urine sediment may have: Renal calculi Differentiation among RBCs, yeast, and oil droplets may be accomplished by all of the following except: A. Observation of budding in yeast cells B. Increased refractility of oil droplets C. Lysis of yeast cells by acetic acid D. Lysis of RBCs by acetic acid Ghost RBCs most frequently occur with a urine specimen that exhibits the following: High pH, low specific gravity The presence of hypochromic, irregularly shaped RBCs in the urine sediment can indicate: Glomerular bleeding Glitter cell is a term used to describe a specific type of: Neutrophil An increase in urinary WBCs is called: Pyuria Urine sediments containing increased WBCs should be observed closely for the presence of: Bacteria Eosinophils are found in the urine in cases of: Acute interstitial nephritis Leukocytes that stain pale blue with Sternheimer-Malbin stain and exhibit brownian movement are: Glitter cells Oval fat bodies are: Renal tubular epithelial cells that contain lipids The type of cells that line the bladder and ureters are called: Transitional Initial microscopic focusing on the urinary sediment is frequently performed by referencing: Squamous epithelial cells In ascending order, the location of epithelial cells in the urinary tract is: Squamous, transitional, renal tubular Clue cells are derived from: Squamous epithelial The organisms attached to a clue cell are: Gardnerella vaginalis Urothelial cells routinely occur in all of the following shapes except: A. Spherical B. Cylindroid C. Polyhedral D. Caudate What cells found in increased numbers in the urine sediment is only indicative of nephron damage? Renal tubular cells Collection of a midstream clean-catch specimen will alleviate contamination by: Squamous epithelial cells What cells can both be found in both a vaginal wet prep and in urine sediment? Yeast cell and clue cell Spherical transitional epithelial can be differentiated from renal tubular epithelial cells by observing the: Centrally located nucleus in transitional cells
Urinary crystals that appear yellow to are: Uric acid To dissolve amorphous urates, you Warm the specimen to body temperature Nonpathogenic or “normal” crystals found in acidic urine include: Calcium oxalate, uric acid, amorphous urates All of the following crystals can be in acid urine except: A. Cholesterol B. Tyrosine C. Cystine D. Ammonium biurate Abnormal crystals are most frequently seen in a urine that is: Acid Information that aids in the identification of crystals includes all of the following except: A. Urine temperature B. Urine pH C. Crystal solubility D. Crystal birefringence What crystals occurs in two very distinct Calcium oxalate Nonpathogenic or “normal” crystals found in alkaline urine include: Triple phosphate, calcium carbonate, ammonium biurate Crystals in the urine that are associated with pathogenic disease include: Leucine and tyrosine What crystals is associated with ethylene glycol ingestion? Calcium oxalate monohydrate A urine specimen refrigerated overnight is cloudy and has a pH of 6. The turbidity is probably due to: Amorphous urates All of the following affect the formation of crystals except: A. specific gravity B. pH C. Urinary D. temperature Cystine crystals are often confused with: Uric acid crystals Formation of crystals due to medications is most frequently caused by Inadequate hydration Calcium carbonate crystals can be distinguished from bacteria by: Adding acetic acid What results should have testing repeated? pH 7.0 with uric acid crystals The significance of seeing bacteria in the urine sediment is increased when: WBCs are present Yeast may appear in the urine sediment in all of the following forms except: A. Mycelial B. Biconcave C. Oval D. Budding ovals Schistosoma haematobium most likely be found in the urine from a: Foreign-service employee Motility by what is most noticeable during the urine sediment examination? Trichomonas vaginalis sediment artifacts frequently differ from true sediment constituents by their: Refractility