WorksheetsPre-Test RR Exam 1
Total questions: 18
Worksheet time: 9mins
Zenker's is an ideal fixative for this method:
PAS
Giemsa
Warthin Starry
H&E
Tissue that has been decalcified must be:
fixed following decalcification
sectioned and then decalcified
thoroughly fixed prior to decalcification
stained with H&E only
PTAH stains fibrin and:
muscle striations
elastin
microorganisms
acidic mucins
Metachromatic staining can best be described as:
One dye many colors
Multiple dyes, one color
One dye, one color
Tissue stains a different color from the dye
Fetal skeleton is an ideal control for:
Congo Red
Alizarin Red S
Rhodanine
Von Kossa
Neutral mucins are stained by:
PAS
Colloidal iron
Congo Red
Oil Red O
Tissues must be treated with iodine-hypo after fixation with:
Bouins
Formalin
Helly's
Glutaraldehyde
10 micron sections are indicated for:
basement membrane
demonstration of amyloid
muscle striations
H. Pylori
An alcohol fixative is indicated for:
staining of urates
staining of connective tissues
staining of neurons
staining of microrganisms
Formalin pigment is considered when:
microorganisms have contaminated the formalin
black granules are noted on top of the tissue
the pH of the formalin falls below 6.0
the formalin has been mixed with mercuric chloride
AB/PAS stains acidic mucins:
blue
acidic mucins are unstained
magenta
Cresyl echt violet is what type of dye?
neutrophilic
basophilic
acidophilic
argyrophilic
Cryostat blades should:
have a bi-concave profile
be left at room temperature until the tissue is on the chuck
be non-corrosive
be dulled for optimal sectioning
A cationic dye is:
chromophoric
basophilic
absorbent
acidophilic
Prussian blue detects:
copper
ferrous ions
urates
ferric ions
To ensure adequate fixation a 2x2x3 cm colon polyp should be sectioned and placed in at least what volume of fixative?
2.4 ml
24.0 ml
240 ml
2400 ml
Tissue elements that react with colloidal iron are:
acidic mucosubstances
neutral polysaccharides
connective tissue mucins
lipoproteins
Aqueous mounting medias can be classified as:
dissolved in xylene/formula 83
hardening quickly
simple syrups and glycerol
natural resins
