TWO Flashcards
Tumors are typically divided into two parts. Which part refers to the active
elements of the tumor?
a. Parenchyma
b. Both
c. None of these
d. Stroma
a. Parenchyma
The expected color of the stool of a patient suffering from biliary atresia is:
a. Brown
b. White
c. Green
d. Black
b. White
Failure of an organ to form an opening is termed as:
a. Atresia
b. Agenesia
c. Hypoplasia
d. Aplasia
a. Atresia
The type of epithelial tissue found in the trachea is:
a. Simple columnar
b. Simple squamous
c. Pseudostratified columnar (ciliated)
d. Stratified squamous
c. Pseudostratified columnar (ciliated)
The “Father of Medicine” is:
a. Rudolf Virchow
b. Karl Landsteiner
c. Hippocrates
d. George Papanicolaou
c. Hippocrates
Liposarcoma is the:
a. Benign tumor of the adipose tissue
b. Benign tumor of the bone
c. Malignant tumor of the fibrous tissue
d. Malignant tumor of the adipose tissue
d. Malignant tumor of the adipose tissue
Which of the following refers to the redness that one sees in an inflamed
tissue?
a. Rubor
b. Calor
c. Tumor
d. Dolor
a. Rubor
“Pathos” in the term pathology means:
a. Suffering
b. Wound
c. Boils
d. Death
a. Suffering
Exudative inflammation is also called:
a. None of these
b. Acute inflammation
c. Sub chronic inflammation
d. Chronic inflammation
b. Acute inflammation
Leukemia is the:
a. Malignant tumor of the adipose tissue
b. Malignant neoplasm of the hematopoietic cells
c. Benign tumor of the bone
d. Malignant tumor of the blood vessels
b. Malignant neoplasm of the hematopoietic cells
The “Father of Exfoliative Cytology” is:
a. None of these
b. Giovanni Battista Morgagni
c. Rudolf Virchow
d. George Papanicolaou
d. George Papanicolaou
Colliquative necrosis most frequently encountered in the:
a. Lungs
b. Heart
c. Brain
d. Kidneys
c. Brain
It refers to the complete non-appearance of an organ:
a. Agenesia
b. Aplasia
c. Hypoplasia
d. Atresia
a. Agenesia
STATEMENT 1: Dry gangrene is frequently caused by arterial occlusion.
STATEMENT 2: Wet gangrene is the result of venous occlusion.
a. Both statements are false.
b. Statement 1 is true but statement 2 is false.
c. Both statements are true.
d. Statement 1 is false but statement 2 is true.
c. Both statements are true.
Liquefaction necrosis is otherwise called:
a. Fat necrosis
b. Colliquative necrosis
c. Coagulation necrosis
d. Caseous necrosis
b. Colliquative necrosis
Clearing is otherwise called as:
a. Dealcoholization
b. Dehydration
c. Blocking
d. Infiltration
a. Dealcoholization
Triethyl phosphate is used in the histopathology laboratory as:
a. Dehydrating agent
b. None of these choices.
c. Fixative
d. Decalcifying agent
a. Dehydrating agent
Which of the following is used for deparaffinization?
a. 70% alcohol
b. Xylene
c. Acetone
d. 95% alcohol
b. Xylene
EA 50 is a polychrome stain composed of three stains which include all of the
following, except:
a. Hematoxylin
b. Eosin Y
c. Light Green SF
d. Bismarck Brown
a. Hematoxylin
Select from the list below the recommended fixative for embryos and
pituitary biopsies.
a. B-5 fixative
b. Methanol
c. Brasil’s Alcoholic Picroformol
d. Bouin’s Solution
d. Bouin’s Solution
Carazzi hematoxylin uses this kind of mordant:
a. Alum
b. Tungsten
c. Iron
d. Lead
a. Alum
Which of the following is considered as the best fixative for tissues containing
iron pigments?
a. Formol-calcium
b. 5% formic acid
c. Glutaraldehyde
d. 10% buffered neutral formalin
d. 10% buffered neutral formalin
The fixative used for blood smears is:
a. Methanol
b. Boric acid
c. Formalin
d. Ethanol
a. Methanol
What should be the temperature of the water bath that is used to float tissue
cut from the microtome?
a. 30 C
b. 37 C
c. 45-50 C
d. 50-56 C
c. 45-50 C
Bisphenol A, glycerol, and cyclohexene dioxide are all examples of:
a. Paraffin wax
b. Clearing agent
c. Plastic impregnating media
d. Fixatives
c. Plastic impregnating media
The most commonly used clearing agent is:
a. Aniline oil
b. Toluene
c. Xylene
d. Chloroform
c. Xylene
All of these are bluing agents, except:
a. Lithium carbonate
b. Ammonia water
c. Acid alcohol
d. None of these
c. Acid alcohol
Hydrogen peroxide and potassium permanganate convert the Hematoxylin
into:
a. Mercuric oxide
b. Stable hematein
c. A weak base
d. A weak acid
b. Stable hematein
Select the true statement/s below.
a. Glutaraldehyde can be used as a fixative for enzyme histochemistry.
b. Acetone can be used as a fixative for blood containing organs.
c. Both of these statements.
d. None of these statements.
a. Glutaraldehyde can be used as a fixative for enzyme histochemistry.
Benzene is used in the histopathology laboratory as:
a. Decalcifying agent
b. Dehydrating agent
c. Clearing agent
d. Fixative
c. Clearing agent
The best general decalcifying agent is the:
a. Trichloroacetic acid
b. Hydrochloric acid
c. 5% formic acid
d. Nitric acid
c. 5% formic acid
Which of the following is the routine fixative of choice for tissue
photography?
a. Lead fixative
b. Acetone
c. Osmium tetroxide
d. Mercuric chloride
d. Mercuric chloride
All of the following fixatives are considered nuclear fixatives, except:
a. Orth’s fluid
b. Flemming’s solution
c. Heidenhain’s SuSa
d. Newcomer’s fluid
a. Orth’s fluid
The other name for Zenker-Formol is:
a. Ohlmacher’s fluid
b. Helly’s solution
c. Schaudinn’s fluid
d. Regaud’s fluid
b. Helly’s solution
Sectioning is otherwise called as:
a. Blocking
b. Impregnation
c. Casting
d. Microtomy
d. Microtomy
Which of the following is used for cutting sections for electron microscopy?
a. Vibrotome
b. Rocking microtome
c. Ultrathin microtome
d. Freezing microtome
c. Ultrathin microtome
Which of the following can be used as a decalcifying agent?
a. Trichloroacetic acid
b. All of these choices
c. Formic acid
d. Picric acid
b. All of these choices
The Calcium Oxalate Test is a way to measure:
a. The extent of dehydration
b. The extent of decalcification
c. The acidity of a decalcifying agent
d. The extent of fixation
b. The extent of decalcification
This is considered as the best general decalcifying agent:
a. 5% formic acid
b. EDTA
c. 10% BNF
d. Perenyi’s fluid
a. 5% formic acid
The usual length of the plane wedge knife is:
a. 100 mm.
b. 75 mm.
c. 50 mm.
d. 120 mm
a. 100 mm.
Which of the following terms is synonymous to embedding?
a. Blocking
b. Dealcholization
c. Orientation
d. Infiltration
a. Blocking
Select the true statement/s below.
a. None of these statements.
b. Acetone can be used as a fixative for blood containing organs.
c. Both of these statements.
d. Glutaraldehyde can be used as a fixative for enzyme histochemistry.
d. Glutaraldehyde can be used as a fixative for enzyme histochemistry.
Select the true statement/s below.
a. Both of these statements.
b. None of these statements.
c. Acrolein is classified as an aldehyde fixative.
d. Schaudinn’s fluid is classified as a mercuric chloride fixative.
a. Both of these statements.
In routine tissue processing, the agent that follows the series of alcohols used
for dehydration is:
a. Xylene
b. Glutaraldehyde
c. Saline
d. EDTA
a. Xylene
The glacial acetic acid solidifies at:
a. 4 C
b. 56 C
c. 35 C
d. 17 C
d. 17 C
Which of the choices below is the correct REHYDRATION SEQUENCE of tissue
sections before hematoxylin staining?
a. Water…70% ethanol…80% ethanol…90% ethanol…95% ethanol…100% ethanol
b. Water…100% ethanol…95% ethanol…90% ethanol…80%
ethanol…water
c. 100% ethanol…95% ethanol…80% ethanol…70% ethanol…water
d. Acetone…70% ethanol…80% ethanol…90% ethanol…95% ethanol
c. 100% ethanol…95% ethanol…80% ethanol…70%
ethanol…water
It is probably the oldest of all stains, originally used for the microscopic study
of starch granules:
a. Methylene blue
b. Orcein
c. Malachite green
d. Iodine
d. Iodine
Select the true statement/s below.
a. Both of these statements.
b. Regaud’s fluid is classified as a mercuric chloride fixative.
c. Orth’s fluid is classified as an aldehyde fixative.
d. None of these statements
d. None of these statements
The purpose of thymol crystals in Mayer’s Egg Albumin is to:
a. Prevent drying
b. Prevent bacterial overgrowth
c. Stabilize the preparation
d. Prevent fungal overgrowth
d. Prevent fungal overgrowth
Dioxane is used in the histopathology laboratory as:
a. None of these choices.
b. Both of these choices.
c. Dehydrating agent
d. Clearing agent
b. Both of these choices.
All of the following fixatives are considered nuclear fixatives, except:
a. Bouin’s solution
b. Newcomer’s fluid
c. Carnoy’s fluid
d. Helly’s fluid
d. Helly’s fluid
Which of the following hematoxylins is used for the study of spermatogenesis?
a. Weigert’s hematoxylin
b. Copper hematoxylin
c. Cole’s hematoxylin
d. Mallory’s PTAH
b. Copper hematoxylin
In order to have an effective knife, which one of the following hones is
recommended because it gives the best honing result?
a. Paddle strop
b. Arkansas
c. Belgium yellow
d. Fine Carborundum
c. Belgium yellow
Which of the following may be used for the fixation of post-mortem tissues?
a. 10% Formol-Saline
b. None of the choices
c. Formol-Sublimate
d. Both of these choices
d. Both of these choices
Ester wax has all of the following characteristics, except:
a. Its melting point is 46-48 C.
b. None of these
c. It is soluble in the dehydrating fluid.
d. It is soluble in water.
d. It is soluble in water.
Which of the following fixatives may also be used in dehydration?
a. Acetone
b. Both of the choices
c. None of the choices
d. Ethyl alcohol
b. Both of the choices
The ultrathin microtome is chiefly utilized for cutting tissue (very thin
sections) at _______.
a. 0.5 micra
b. 4 to 6 micra
c. 10 to 15 micra
d. 2.0 micra
a. 0.5 micra
Tetrahydrofuran is used in the histopathology laboratory as:
a. Dehydrating agent
b. None of these choices.
c. Clearing agent
d. Both of these choices.
d. Both of these choices.
EPON, Spurr, and Araldite are examples of what infiltrating medium?
a. Plastic
b. Gelatin
c. Paraffin
d. Celloidin
a. Plastic
Removal of formaldehyde or mercury pigments from tissue sections is
performed before:
a. Fixation
b. Sectioning
c. Dehydration
d. Staining
d. Staining
3-APES is an example of a/an:
a. Adhesive agent
b. Embedding medium
c. Bluing agent
d. Stain
a. Adhesive agent
Poly-L-Lysine is an example of a/an:
a. Stain
b. Adhesive agent
c. Bluing agent
d. Embedding medium
b. Adhesive agent
Which of the following may be used as a clearing agent?
a. 4% phenol
b. All of these choices.
c. Methyl salicylate
d. Anhydrous copper sulfate
c. Methyl salicylate
The usual length of the biconcave knife is:
a. 25 mm.
b. 50 mm.
c. 100 mm.
d. 120 mm.
d. 120 mm.
This is the property of tissues to be stained with fat or oil-soluble dyes,
regardless of the type of dye used, due to their essential lipid nature:
a. Hypochromia
b. Metachromasia
c. Sudanophilia
d. None of these
c. Sudanophilia
