HISTOLOGY EXAM 1: WEEK 1 –
ALLEN QUESTIONS & ANSWERS
This unit of measurement is equivalent to a millionth of a meter
Micrometer (Micron)
Nanometer
Millimeter - Correct Answers -micrometer (micron)
This solvent is commonly used as a clearing agent when preparing tissues for light
microscopy
Ethanol
Formalin
xylene - Correct Answers -xylene
Dehydration uses which solution
alcohol
ethanol
xylene - Correct Answers -ethanol
The most commonly used histological stain, with acid and basic dyes.
Hematoxylin and Eosin
Elastic
Periodic Acid-Schiff - Correct Answers -Hematoxylin and eosin
Cell contents with a net negative charge (anionic) such as DNA and RNA have an
affinity for
acidic dyes
basic dyes
red dyes - Correct Answers -basic dyes
Cell components with a net positive charge (cationic) such as proteins, stain with
acidic dyes
basic dyes
blue dyes - Correct Answers -acidic dyes
What are the most commonly used stains for acidic and basic solutions? - Correct
Answers -Hematoxylin-- basic--nuclei stains purple
, Eosin--acidic--stains pink/purple
This consists of microfilaments, intermediate filaments, and microtubules.
Cytoskeleton
Endomembrane system
Chromatin - Correct Answers -cytoskeleton
An organelle that has a double membrane, folds called cristae, and its own DNA
Mitochondrion
Golgi apparatus
Smooth endoplasmic reticulum - Correct Answers -mitochondrion
Flat/tubular membranous sacs associated with Endoplasmic Reticulum and Golgi
Apparatus
Cisternae
Vesicles
Cristae - Correct Answers -cisternae
Elastic stain: what color do elastic fibers stain?
red
black
blue
purple - Correct Answers -black
Silver stain is used to emphasize these
Collagen fibers and muscle
Nerve tissue and reticular fibers
Epithelium and microvilli - Correct Answers -nerve tissue and reticular fibers
Three dyes are used in this stain, which colors the collagen of connective tissue blue
Masson's Trichrome
Periodic Acid-Schiff
Wright's - Correct Answers -Masson's trichrome
Stain that is particularly useful for identifying Mucus, Basement membranes, and
Glycogen.
Silver
Wright's
Periodic Acid-Schiff - Correct Answers -Periodic- acid-schiff
ALLEN QUESTIONS & ANSWERS
This unit of measurement is equivalent to a millionth of a meter
Micrometer (Micron)
Nanometer
Millimeter - Correct Answers -micrometer (micron)
This solvent is commonly used as a clearing agent when preparing tissues for light
microscopy
Ethanol
Formalin
xylene - Correct Answers -xylene
Dehydration uses which solution
alcohol
ethanol
xylene - Correct Answers -ethanol
The most commonly used histological stain, with acid and basic dyes.
Hematoxylin and Eosin
Elastic
Periodic Acid-Schiff - Correct Answers -Hematoxylin and eosin
Cell contents with a net negative charge (anionic) such as DNA and RNA have an
affinity for
acidic dyes
basic dyes
red dyes - Correct Answers -basic dyes
Cell components with a net positive charge (cationic) such as proteins, stain with
acidic dyes
basic dyes
blue dyes - Correct Answers -acidic dyes
What are the most commonly used stains for acidic and basic solutions? - Correct
Answers -Hematoxylin-- basic--nuclei stains purple
, Eosin--acidic--stains pink/purple
This consists of microfilaments, intermediate filaments, and microtubules.
Cytoskeleton
Endomembrane system
Chromatin - Correct Answers -cytoskeleton
An organelle that has a double membrane, folds called cristae, and its own DNA
Mitochondrion
Golgi apparatus
Smooth endoplasmic reticulum - Correct Answers -mitochondrion
Flat/tubular membranous sacs associated with Endoplasmic Reticulum and Golgi
Apparatus
Cisternae
Vesicles
Cristae - Correct Answers -cisternae
Elastic stain: what color do elastic fibers stain?
red
black
blue
purple - Correct Answers -black
Silver stain is used to emphasize these
Collagen fibers and muscle
Nerve tissue and reticular fibers
Epithelium and microvilli - Correct Answers -nerve tissue and reticular fibers
Three dyes are used in this stain, which colors the collagen of connective tissue blue
Masson's Trichrome
Periodic Acid-Schiff
Wright's - Correct Answers -Masson's trichrome
Stain that is particularly useful for identifying Mucus, Basement membranes, and
Glycogen.
Silver
Wright's
Periodic Acid-Schiff - Correct Answers -Periodic- acid-schiff
