OSSF - Exam 1 UPDATED ACTUAL Exam
Questions and CORRECT Answers
What stain that makes iron identifiable? - CORRECT ANSWER - Prussian Blue
What element makes the fixation process more difficult by requiring an added acid step? -
CORRECT ANSWER - Calcium
What stain is typically used for a cytology? - CORRECT ANSWER - Romanovsky Stain
What stain could be used to identify rabies? - CORRECT ANSWER - IHC
(Immunohistochemistry)
What compound are misfolded proteins tagged with to mark them for destruction? - CORRECT
ANSWER - Ubiquitin
What structure helps lysosomes maintain a low lumen pH? - CORRECT ANSWER - Proton
pumps
Where does steroid hormone synthesis BEGIN? - CORRECT ANSWER - Mitochondria (end
in smooth ER)
Ingestion of large particles by the cell forming phagosomes? - CORRECT ANSWER -
Phagocytosis
Non-specific ingestion of fluids/small proteins into cell forming endosomes? - CORRECT
ANSWER - Pinocytosis
Unregulated exocytosis - CORRECT ANSWER - Constitutive secretion
, Exocytosis triggered by hormone/ neurotransmitter - CORRECT ANSWER - Regulative
secretion
Name for epithelial cells lining a blood vessel/lymphatic? - CORRECT ANSWER -
Endothelial
Names for epithelial cells lining body cavity? - CORRECT ANSWER - Mesothelial
Compound from mesoderm that helps form muscle, bone, and blood vessels? - CORRECT
ANSWER - Vimentin
Compound from ectoderm and endoderm that helps form intermediate filaments? - CORRECT
ANSWER - Cytokeratin
3 parts of the tunica mucosa - CORRECT ANSWER - Lamina epithelial mucosae, Lamina
propria mucosae, lamina muscularis mucosae
What tissue is the tunica submucosa composed of? - CORRECT ANSWER - connective tissue
What type of tissue is the outer most layer of a tubular organ? - CORRECT ANSWER -
Connective tissue (tunica serosa/adventitia)
What is the term for the functional part of an organ? - CORRECT ANSWER - Parenchyma
What is the term for the supportive connective tissue of an organ? - CORRECT ANSWER -
Stroma
What are the 2 parts of the mesothelium solid organs are covered in? - CORRECT
ANSWER - Parietal layer (outer) and Visceral layer (inner)
Questions and CORRECT Answers
What stain that makes iron identifiable? - CORRECT ANSWER - Prussian Blue
What element makes the fixation process more difficult by requiring an added acid step? -
CORRECT ANSWER - Calcium
What stain is typically used for a cytology? - CORRECT ANSWER - Romanovsky Stain
What stain could be used to identify rabies? - CORRECT ANSWER - IHC
(Immunohistochemistry)
What compound are misfolded proteins tagged with to mark them for destruction? - CORRECT
ANSWER - Ubiquitin
What structure helps lysosomes maintain a low lumen pH? - CORRECT ANSWER - Proton
pumps
Where does steroid hormone synthesis BEGIN? - CORRECT ANSWER - Mitochondria (end
in smooth ER)
Ingestion of large particles by the cell forming phagosomes? - CORRECT ANSWER -
Phagocytosis
Non-specific ingestion of fluids/small proteins into cell forming endosomes? - CORRECT
ANSWER - Pinocytosis
Unregulated exocytosis - CORRECT ANSWER - Constitutive secretion
, Exocytosis triggered by hormone/ neurotransmitter - CORRECT ANSWER - Regulative
secretion
Name for epithelial cells lining a blood vessel/lymphatic? - CORRECT ANSWER -
Endothelial
Names for epithelial cells lining body cavity? - CORRECT ANSWER - Mesothelial
Compound from mesoderm that helps form muscle, bone, and blood vessels? - CORRECT
ANSWER - Vimentin
Compound from ectoderm and endoderm that helps form intermediate filaments? - CORRECT
ANSWER - Cytokeratin
3 parts of the tunica mucosa - CORRECT ANSWER - Lamina epithelial mucosae, Lamina
propria mucosae, lamina muscularis mucosae
What tissue is the tunica submucosa composed of? - CORRECT ANSWER - connective tissue
What type of tissue is the outer most layer of a tubular organ? - CORRECT ANSWER -
Connective tissue (tunica serosa/adventitia)
What is the term for the functional part of an organ? - CORRECT ANSWER - Parenchyma
What is the term for the supportive connective tissue of an organ? - CORRECT ANSWER -
Stroma
What are the 2 parts of the mesothelium solid organs are covered in? - CORRECT
ANSWER - Parietal layer (outer) and Visceral layer (inner)
