Which of the following stains can be used to visualize collagen: a. Trichrome stain. b. H&E stain. c. Picrosirius stain. d. Immunofluorescence staining. e. All of the above. Stratified squamous nonkeratinized epithelium lines the following structures, Except: a. Oral cavity. O b. Vagina. O c. Esophagus. O d. Pharynx. O e. Large arteries. What is the most suitable microscope(s) to visualize the following: cultured cells, immunohistochemically stained sections, and H&E-stained sections, respectively: d. Bright-field microscope for all of them. b. Bright-field microscope, phase-contrast microscope, and bright-field microscope. O C. Phase-contrast microscope, bright-field microscope, and bright-field microscope. O d. Bright-field microscope, immunofluorescence microscope, and TEM Oe. Phase-contrast microscope, immunofluorescence microscope, and bright-field microscope. Your colleague is planning to assess the abundance of myoepithelial cells in parotid glands of rats by staining (as precise and easy as possible), what do you advise her/him to do: a. H&E stain. O b. TEM. O c. PAS stain. O d. Immunohistochemistry or immunofluorescence staining e. Any of the above. Choose the correct statement about reticular fibers: O a. Consist mainly of collagen type II O b. Is argyrophobic. c. Form delicate laminae. d. Present in all lymph nodes. O e. All of the above.
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