MIDTERM-microscopic examination part 1 Flashcards
significance of macroscopic screening test of color to micro
blood
significance of macroscopic screening test of clarity to micro
hematuria versus hemoglobinuria/myoglobinuria
confirm pathologic or non pathologic cause of turbidity
significance of macroscopic screening test of blood to microscopic examination
rbc, rbc casts
significance of macroscopic screening test of protein to microscopic examination
casts, cells
significance of macroscopic screening test of nitrite to microscopic examination
bacteria, wbc’s
significance of macroscopic screening test of leukocyte esterase to microscopic examination
wbc, wbc casts, bacteria
significance of macroscopic screening test of glucose to microscopic examination
possible presence of yeast
The most frequently used stain in urinalysis is the
___ which consists of crystal violet and safranin O.
Sternheimer-Malbin stain q
a urine sediment stain that Delineates structure and contrasting colors of
the nucleus and cytoplasm
Sternheimer-Malbin
function of Sternheimer-Malbins stain in urine sediment
Identifies WBCs, epithelial cells, and casts
a urine sediment stain that Enhances nuclear detail
Toluidine blue
function of Toluidine blue as a stain
Differentiates WBCs and renal tubular
epithelial (RTE) cells
this urine sediment stain will Lyses RBCs and enhances nuclei of WBCs
2% acetic acid
function of 2% acetic acid as a stain
Distinguishes RBCs from WBCs, yeast, oil
droplets, and crystals
a urine sediment stain that Stains triglycerides and neutral fats orange-red
Do not stain cholesterol
Lipid stains: Oil Red
O and Sudan III
function of Lipid stains: Oil Red
O and Sudan III as a stain
Identify free fat droplets and lipid-containing
cells and casts
a urine sediment stain that Differentiates gram-positive and gram-negative
bacteria
gram stain
function of gram stain as a stain
Identifies bacterial casts
a urine sediment stain that uses Methylene blue and eosin Y to stains eosinophilic
granules
Hansel stain
function of Hansel stain as a stain
Identifies urinary eosinophils