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HISTOLOGY MTAP - PLE > TWO > Flashcards

TWO Flashcards

1
Q

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

a. Parenchyma

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2
Q

The expected color of the stool of a patient suffering from biliary atresia is:

a. Brown
b. White
c. Green
d. Black

A

b. White

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3
Q

Failure of an organ to form an opening is termed as:

a. Atresia
b. Agenesia
c. Hypoplasia
d. Aplasia

A

a. Atresia

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4
Q

The type of epithelial tissue found in the trachea is:

a. Simple columnar
b. Simple squamous
c. Pseudostratified columnar (ciliated)
d. Stratified squamous

A

c. Pseudostratified columnar (ciliated)

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5
Q

The “Father of Medicine” is:

a. Rudolf Virchow
b. Karl Landsteiner
c. Hippocrates
d. George Papanicolaou

A

c. Hippocrates

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6
Q

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

A

d. Malignant tumor of the adipose tissue

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7
Q

Which of the following refers to the redness that one sees in an inflamed
tissue?

a. Rubor
b. Calor
c. Tumor
d. Dolor

A

a. Rubor

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7
Q

“Pathos” in the term pathology means:

a. Suffering
b. Wound
c. Boils
d. Death

A

a. Suffering

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8
Q

Exudative inflammation is also called:

a. None of these
b. Acute inflammation
c. Sub chronic inflammation
d. Chronic inflammation

A

b. Acute inflammation

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9
Q

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

A

b. Malignant neoplasm of the hematopoietic cells

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10
Q

The “Father of Exfoliative Cytology” is:

a. None of these
b. Giovanni Battista Morgagni
c. Rudolf Virchow
d. George Papanicolaou

A

d. George Papanicolaou

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10
Q

Colliquative necrosis most frequently encountered in the:

a. Lungs
b. Heart
c. Brain
d. Kidneys

A

c. Brain

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11
Q

It refers to the complete non-appearance of an organ:

a. Agenesia
b. Aplasia
c. Hypoplasia
d. Atresia

A

a. Agenesia

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12
Q

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.

A

c. Both statements are true.

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12
Q

Liquefaction necrosis is otherwise called:

a. Fat necrosis
b. Colliquative necrosis
c. Coagulation necrosis
d. Caseous necrosis

A

b. Colliquative necrosis

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13
Q

Clearing is otherwise called as:

a. Dealcoholization
b. Dehydration
c. Blocking
d. Infiltration

A

a. Dealcoholization

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14
Q

Triethyl phosphate is used in the histopathology laboratory as:

a. Dehydrating agent
b. None of these choices.
c. Fixative
d. Decalcifying agent

A

a. Dehydrating agent

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15
Q

Which of the following is used for deparaffinization?

a. 70% alcohol
b. Xylene
c. Acetone
d. 95% alcohol

A

b. Xylene

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16
Q

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

a. Hematoxylin

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16
Q

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

A

d. Bouin’s Solution

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17
Q

Carazzi hematoxylin uses this kind of mordant:

a. Alum
b. Tungsten
c. Iron
d. Lead

A

a. Alum

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17
Q

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

A

d. 10% buffered neutral formalin

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18
Q

The fixative used for blood smears is:

a. Methanol
b. Boric acid
c. Formalin
d. Ethanol

A

a. Methanol

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19
Q

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

A

c. 45-50 C

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19
Q

Bisphenol A, glycerol, and cyclohexene dioxide are all examples of:

a. Paraffin wax
b. Clearing agent
c. Plastic impregnating media
d. Fixatives

A

c. Plastic impregnating media

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20
Q

The most commonly used clearing agent is:
a. Aniline oil
b. Toluene
c. Xylene
d. Chloroform

A

c. Xylene

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20
Q

All of these are bluing agents, except:

a. Lithium carbonate
b. Ammonia water
c. Acid alcohol
d. None of these

A

c. Acid alcohol

21
Q

Hydrogen peroxide and potassium permanganate convert the Hematoxylin
into:

a. Mercuric oxide
b. Stable hematein
c. A weak base
d. A weak acid

A

b. Stable hematein

21
Q

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

a. Glutaraldehyde can be used as a fixative for enzyme histochemistry.

22
Q

Benzene is used in the histopathology laboratory as:

a. Decalcifying agent
b. Dehydrating agent
c. Clearing agent
d. Fixative

A

c. Clearing agent

23
Q

The best general decalcifying agent is the:

a. Trichloroacetic acid
b. Hydrochloric acid
c. 5% formic acid
d. Nitric acid

A

c. 5% formic acid

24
Q

Which of the following is the routine fixative of choice for tissue
photography?

a. Lead fixative
b. Acetone
c. Osmium tetroxide
d. Mercuric chloride

A

d. Mercuric chloride

24
Q

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

a. Orth’s fluid

25
Q

The other name for Zenker-Formol is:

a. Ohlmacher’s fluid
b. Helly’s solution
c. Schaudinn’s fluid
d. Regaud’s fluid

A

b. Helly’s solution

26
Q

Sectioning is otherwise called as:

a. Blocking
b. Impregnation
c. Casting
d. Microtomy

A

d. Microtomy

27
Q

Which of the following is used for cutting sections for electron microscopy?

a. Vibrotome
b. Rocking microtome
c. Ultrathin microtome
d. Freezing microtome

A

c. Ultrathin microtome

28
Q

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

A

b. All of these choices

29
Q

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

A

b. The extent of decalcification

30
Q

This is considered as the best general decalcifying agent:

a. 5% formic acid
b. EDTA
c. 10% BNF
d. Perenyi’s fluid

A

a. 5% formic acid

31
Q

The usual length of the plane wedge knife is:

a. 100 mm.
b. 75 mm.
c. 50 mm.
d. 120 mm

A

a. 100 mm.

32
Q

Which of the following terms is synonymous to embedding?

a. Blocking
b. Dealcholization
c. Orientation
d. Infiltration

A

a. Blocking

33
Q

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.

A

d. Glutaraldehyde can be used as a fixative for enzyme histochemistry.

33
Q

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

a. Both of these statements.

34
Q

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

a. Xylene

35
Q

The glacial acetic acid solidifies at:

a. 4 C
b. 56 C
c. 35 C
d. 17 C

A

d. 17 C

36
Q

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

A

c. 100% ethanol…95% ethanol…80% ethanol…70%
ethanol…water

36
Q

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

A

d. Iodine

37
Q

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

A

d. None of these statements

38
Q

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

A

d. Prevent fungal overgrowth

39
Q

Dioxane is used in the histopathology laboratory as:

a. None of these choices.
b. Both of these choices.
c. Dehydrating agent
d. Clearing agent

A

b. Both of these choices.

40
Q

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

A

d. Helly’s fluid

41
Q

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

A

b. Copper hematoxylin

42
Q

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

A

c. Belgium yellow

42
Q

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

A

d. Both of these choices

43
Q

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.

A

d. It is soluble in water.

44
Q

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

A

b. Both of the choices

45
Q

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

a. 0.5 micra

46
Q

Tetrahydrofuran is used in the histopathology laboratory as:

a. Dehydrating agent
b. None of these choices.
c. Clearing agent
d. Both of these choices.

A

d. Both of these choices.

47
Q

EPON, Spurr, and Araldite are examples of what infiltrating medium?

a. Plastic
b. Gelatin
c. Paraffin
d. Celloidin

A

a. Plastic

48
Q

Removal of formaldehyde or mercury pigments from tissue sections is
performed before:

a. Fixation
b. Sectioning
c. Dehydration
d. Staining

A

d. Staining

49
Q

3-APES is an example of a/an:

a. Adhesive agent
b. Embedding medium
c. Bluing agent
d. Stain

A

a. Adhesive agent

50
Q

Poly-L-Lysine is an example of a/an:

a. Stain
b. Adhesive agent
c. Bluing agent
d. Embedding medium

A

b. Adhesive agent

51
Q

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

A

c. Methyl salicylate

52
Q

The usual length of the biconcave knife is:

a. 25 mm.
b. 50 mm.
c. 100 mm.
d. 120 mm.

A

d. 120 mm.

53
Q

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

A

c. Sudanophilia

HISTOLOGY MTAP - PLE (5 decks)

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