QIHC-DIAGNOSTIC ANTIBODIES FOR IHC EXAM QUESTIONS AND
ANSWERS LATEST UPDATED 2024/2025 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT VERIFIED/DETAILED BEST RATED A+ FOR
PASS
AACT - CORRECT ANSWERS alpha-1-antichymotrypsin.
Labels the cytoplasm of histiocytes and neoplasms of histiocytic origin, as well as monocytes
and macrophages of human colon, tonsil and skin.
ALK-1 (for heme cases) - CORRECT ANSWERS The ALK1 (ALK1 cline) antibody labels
normal human ALK protein and the NPM-ALK chimeric protein,
identification of the subgroup of anaplastic large-cell lymphomas (ALCL) that are ALK positive.
Actin in Muscles - CORRECT ANSWERS For identification of soft tissue tumors with
muscle
differentiation
Stains: C
Diag: leiomyoma, leiomyosarcoma (smooth muscle cancer) and rhabdomyosarcoma
Control: Appendix, colon, tongue
no staining in epithelial cells
CA-125 - CORRECT ANSWERS For identification of serous ovarian and mesothelioma
Stains: M/C
Control: Fallopian tube
Beta-Catenin - CORRECT ANSWERS For identification of desmoid tumors, colorectal
cancer and colon adenoma
Stains: Membrane, C/N
Control: Appendix, Colon
, QIHC-DIAGNOSTIC ANTIBODIES FOR IHC EXAM QUESTIONS AND
ANSWERS LATEST UPDATED 2024/2025 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT VERIFIED/DETAILED BEST RATED A+ FOR
PASS
CD4 - CORRECT ANSWERS Identification of thymocytes, T-helper cells and related
tumors such as peripheral T-cell lymphoma (unspecified), anaplastic large cell lymphoma and
mycosis fungoides.
Stains: M/C
control: Tonsil, Liver
CD5 - CORRECT ANSWERS identification of B-and T-cell malignancies including B-cell
chronic lymphoid leukemia/ small lymphocytic lymphoma, mantle cell lymphoma and T-cell
lymphoma and leukemia
Stains: M/C Control: Tonsil
CD8 - CORRECT ANSWERS For identification of cytotoxic/suppressor T cells and their
neoplastic counterparts
Stains: M/C
Control: tonsil, spleen
CD20 - CORRECT ANSWERS identification of the B-cell lineage and different types of B-
cell lymphoma or Gastrointestinal lymphoma
Stains: M. Control: Tonsil
CD45 - CORRECT ANSWERS Leukocyte common antigen (LCA)
identification of tumors of lymphoid origin
Stains: Membrane
Control: tonsil, Brain, Bone Marrow
ANSWERS LATEST UPDATED 2024/2025 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT VERIFIED/DETAILED BEST RATED A+ FOR
PASS
AACT - CORRECT ANSWERS alpha-1-antichymotrypsin.
Labels the cytoplasm of histiocytes and neoplasms of histiocytic origin, as well as monocytes
and macrophages of human colon, tonsil and skin.
ALK-1 (for heme cases) - CORRECT ANSWERS The ALK1 (ALK1 cline) antibody labels
normal human ALK protein and the NPM-ALK chimeric protein,
identification of the subgroup of anaplastic large-cell lymphomas (ALCL) that are ALK positive.
Actin in Muscles - CORRECT ANSWERS For identification of soft tissue tumors with
muscle
differentiation
Stains: C
Diag: leiomyoma, leiomyosarcoma (smooth muscle cancer) and rhabdomyosarcoma
Control: Appendix, colon, tongue
no staining in epithelial cells
CA-125 - CORRECT ANSWERS For identification of serous ovarian and mesothelioma
Stains: M/C
Control: Fallopian tube
Beta-Catenin - CORRECT ANSWERS For identification of desmoid tumors, colorectal
cancer and colon adenoma
Stains: Membrane, C/N
Control: Appendix, Colon
, QIHC-DIAGNOSTIC ANTIBODIES FOR IHC EXAM QUESTIONS AND
ANSWERS LATEST UPDATED 2024/2025 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT VERIFIED/DETAILED BEST RATED A+ FOR
PASS
CD4 - CORRECT ANSWERS Identification of thymocytes, T-helper cells and related
tumors such as peripheral T-cell lymphoma (unspecified), anaplastic large cell lymphoma and
mycosis fungoides.
Stains: M/C
control: Tonsil, Liver
CD5 - CORRECT ANSWERS identification of B-and T-cell malignancies including B-cell
chronic lymphoid leukemia/ small lymphocytic lymphoma, mantle cell lymphoma and T-cell
lymphoma and leukemia
Stains: M/C Control: Tonsil
CD8 - CORRECT ANSWERS For identification of cytotoxic/suppressor T cells and their
neoplastic counterparts
Stains: M/C
Control: tonsil, spleen
CD20 - CORRECT ANSWERS identification of the B-cell lineage and different types of B-
cell lymphoma or Gastrointestinal lymphoma
Stains: M. Control: Tonsil
CD45 - CORRECT ANSWERS Leukocyte common antigen (LCA)
identification of tumors of lymphoid origin
Stains: Membrane
Control: tonsil, Brain, Bone Marrow
