ONE Flashcards
Which of the following substitute for paraffin wax can be used without dehydration and clearing:
a. Gelatin
b. Both
c. Neither
d. Carbowax
d. Carbowax
Useful in differentiating lung adenocarcinomas from mesotheliomas
a. TTF-1 (Thyroid transcription factor-1)
b. HCG (human chorionic gonadotropin)
c. PSA (Prostate Specific Antigen)
d. Glial fibrillary acidic protein (GFAP)
e. Actin
a. TTF-1 (Thyroid transcription factor-1)
The coloring property of a dye is attributed to which particular group?
a. None
b. Auxochrome
c. Both
d. Chromophore
d. Chromophore
Which of the following is classified as a lead hematoxylin?
a. Carazzi Hematoxylin
b. Thomas Hematoxylin
c. Mallory’s PTAH
d. Solcia Hematoxylin
d. Solcia Hematoxylin
One of these is not necessary in the surgical pathology logbook:
a. Clinical and pathological diagnosis
b. Treatment to be done
c. Names of the patient and requesting
physician
d. Kind of specimen
b. Treatment to be done
All of the following are true concerning glacial acetic acid, except:
a. It solidifies at 30 C.
b. It fixes and precipitates nucleoproteins.
c. It is useful in the study of nuclear components of the cell.
d. It causes tissues (especially those containing collagen) to swell.
a. It solidifies at 30 C.
Which of the following hematoxylins is used for the study of spermatogenesis?
a. Mallory’s PTAH
b. Weigert’s hematoxylin
c. Copper hematoxylin
d. Cole’s hematoxylin
c. Copper hematoxylin
Which of the statements below is/are true for the picric acid?
a. Both A and C
b. All of the above
c. They may be used as a decalcifying agent.
d. They may be used as a stain. B. They may be used as a fixative for
glycogen demonstration.
b. All of the above
Complete the following sentence:
“Solutions of alum hematoxylin give the
nucleus a ___________ color which swiftly turns _________ in the presence
of an acid.
a. Light transparent red, blue
b. Dark blue, red
c. Pink, blue
d. Light transparent blue, red
c. Pink, blue
The best screening marker for lymphomas is:
a. Extremely high WBC ct.
b. CD3, CD4, CD8
c. LCA
d. CD15, CD30
e. CD19, CD20, CD23
c. LCA
The B-5 fixative is usually utilized for:
a. Bone marrow smears
b. Bone marrow biopsies
c. Glycogen fixation
d. Urgent biopsies
a. Bone marrow smears
In the Pap stain, the OG-6 functions to stain:
a. The nucleus of mature, superficial cells
b. The cytoplasm of
mature, superficial cells
c. The cytoplasm of intermediate cells
d. The nucleus of intermediate cells
d. The nucleus of intermediate cells
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. Lipophilia
b. Hypochromia
c. Metachromasia
d. Sudanophilia
d. Sudanophilia
Pathology blocks should be kept for a period of:
a. 10 years
b. 2 years
c. 1 year only
d. 24 hours
a. 10 years
Transitional cell carcinomas of the bladder and mucinous ovarian tumors are usually positive for:
a. Both
b. Neither
c. CK20
d. CK7
a. Both
The Bowman’s capsule and the endothelial lining of blood vessels are both composed of:
a. Simple squamous tissues
b. Stratified squamous
c. Simple cuboidal tissues
d. Transitional epithelium
a. Simple squamous tissues
Which of the following may be used for preserving tissues intended for electron microscopic studies?
a. Any aldehyde fixative
b. Glutaraldehyde
c. Heidenhain’s SuSa
d. Formaldehyde
b. Glutaraldehyde
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. Fine Carborundum
c. Belgium yellow
d. Arkansas
c. Belgium yellow
This metallic fixative is generally indicated for preserving acid
mucopolysaccharides:
a. Chromate fixatives
b. Lead fixatives
c. Mercury fixatives
d. Any of the choices
b. Lead fixatives
Most widely used to confirm the diagnosis of astrocytoma
a. Actin
b. PSA (Prostate Specific Antigen)
c. HCG (human chorionic gonadotropin)
d. TTF-1 (Thyroid transcription factor-1)
e. Glial fibrillary acidic protein (GFAP)
e. Glial fibrillary acidic protein (GFAP)
Identify from the list below the ones that may be used as fixative and dehydrating agent. 1. Acetone 2. Dioxane
3. Methanol 4. Tetrahydrofuran 5.
Picric acid 6. Toluene
a. 1,3, and 5
b. 1,2,3,4, 5 and 6
c. 1 and 3
d. 1,2,3
e. 2,4 and 6
c. 1 and 3
Glacial acetic acid is mixed with many other fixing agents in order to:
a. Prevent swelling of cells
b. Dehydrate the tissues
c. Prevent shrinking of cells
d. Shorten the fixation time
c. Prevent shrinking of cells
The optimum working temperature for the cold microtome is:
a. Between 10 to 15 C
b. Between -5 to -10 C
c. Between -18 to -20 C
d. Between 5 to 10 C
c. Between -18 to -20 C
The temperature of the paraffin oven used for impregnation is usually:
a. 23 C above the melting point of the impregnating medium
b. 2-5 C above the melting point of the impregnating medium
c. 6-5 C above the melting point of the impregnating medium
d. 6-10 C below the melting point of the impregnating medium
e. 5-10 C above the melting point of the impregnating medium
b. 2-5 C above the melting point of the impregnating medium