Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
29 Cards in this Set
- Front
- Back
|
Name the three parts of a typical urinalysis.
|
Visual/macroscopic, chemical, microscopic
|
|
|
Where are squamous epithelial cells found in a urinalysis from?
|
The last 1/3 of the urethra
|
|
|
Explain what happens to urine values if a specimen is left open at room temperature for an extended period of time.
|
pH increases, cells and casts lyse, urobilinogen, bilirubin, ketones, and glucose all decrease
|
|
|
What does CCMS stand for and what is it?
|
Clean Catch Mid Stream is urine collection after the area has been sanitized and is taken during the middle of the stream.
|
|
|
What is polyuria?
|
Consistent excretion of an abnormally large amount of urine.
|
|
|
What is diuresis?
|
Any increase in the volume of urine.
|
|
|
What is anuria?
|
The absence of urine formation.
|
|
|
What is oliguria?
|
An abnormally small amount of urine.
|
|
|
What is hyposthenuria?
|
Urine with abnormally low specific gravity.
|
|
|
What is Isosthenuria and when is it seen?
|
Urine with a constant fixed specific gravity that is neither higher or lower than the protein content of plasma. It is seen in renal disease.
|
|
|
When using a urine dipstick on a urine with a pH greater than 6.5, what correction must be made to the specific gravity?
|
Add 0.005
|
|
|
What is the normal range for specific gravity?
|
1.001-1.035
|
|
|
What disease is associated with excretion of Bence-Jones protein?
|
Multiple Myeloma
|
|
|
What does clinitest test for and what is the classical name of the test procedure?
|
Glucose, Benedic's test
|
|
|
What are the four classical tube tests for ketones?
|
Legal's, Rothera's, Gerhardt's, and Hart's
|
|
|
Define a Ehrlich Unit.
|
~1mg/dl
|
|
|
What is the classical test to differentiate urobilinogen from porphilobiligen?
|
Watson-Schwarts
|
|
|
In what disease states are waxy casts seen?
|
chronic renal diseases, renal failure, diabetic nephropathy, malignant hypertension, and glomerulonephritis
|
|
|
What crystal looks like a "coffin lid"?
|
Triple phosphate crystals
|
|
|
Under polarized light what crystal has a "Maltese cross"?
|
Leucine crystals
|
|
|
What do WBC casts indicate?
|
Kidney inflammation
|
|
|
What crystal looks like an envelope?
(Squares with diagonal lines connecting opposite corners) |
Calcium oxalate dihydrate crystal
|
|
|
What crystal looks like a flat hexagon?
|
Cystine
|
|
|
What reagent is used to confirm a positive strip protein test?
|
Sulfosalicylic acid
|
|
|
What reagent is used on multistix for urobilinogen?
|
para-dimethylaminobenzaldehyde
|
|
|
What two common substances can cause a false negative glucose?
|
Aspirin and Vitamin C
|
|
|
What can cause a false positive leukocyte?
|
Bleach contact
|
|
|
What does ictotest test for?
|
Bilirubin
|
|
|
What are two non-pathologic causes of abnormal urine coloration?
|
Medication and food
|
