Urinalysis Microscopic Techniques

Question 1

Used for routine urinalysis

Answer 1

Bright-field microscopy

Question 2

Enhances visualization of ele
ments with low refractive
indices, such as hyaline
casts, mixed cellular casts,
mucous threads, and
Trichomonas vaginalis

Answer 2

Phase-contrast
microscopy

Question 3

Aids in identification of cho
lesterol in oval fat bodies,
fatty casts, and crystals

Answer 3

Polarizing microscopy

Question 4

Aids in identification of
Treponema pallidum

Answer 4

Dark-field microscopy

Question 5

Allows visualization of natu
rally fluorescent microor
ganisms or those stained by
a fluorescent dye, including
labeled antigens and
antibodies

Answer 5

Fluorescence
microscopy

Question 6

Produces a three-dimensional
microscopy image and
layer-by-layer imaging of a
specimen

Answer 6

Interference-contrast