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38 Cards in this Set
- Front
- Back
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Which of the following is (are) used in naming of epithelial types?
a-Shape of cells in the basal layers b-number of layers of epithelial cells c-presence of a basal lamina d-size of the nuclei e-presence of cytokeratin f-shape of cells in the surfacial layer |
b-number of layers of epithelial cells
e-presence of cytokeratin f-shape of cells in the surfacial layer |
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Which of the following are components of axonemes?
a-centrioles b-basal bodies c-dynein arms d-intermediate filaments e-nexin links f-microfilaments g-microtubules h-radial spokes |
c-dynein arms
e-nexin links g-microtubules h-radial spokes |
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Which of the following is (are) true of holocrine secretion?
a-occurs in sebaceous glands b-occurs in endocrine glands c-involves little or no loss of cytoplasm d-involves secretion on Na+ ions e-is the typical mode of secretation of DNES cells (Diffuse NeuroEndocrine Syestem) |
a-occurs in sebaceous glands
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following statements concerning zymogen granules are true except:
a-contain enzymes b-surronded by a membrane c-evacuated concentrated secretion products d-appear in steroid-secreting cells e-appear in cells producing polypeptides f-appear in protein-secreting cells |
d-appear in steroid-secreting cells e-appear in cells producing polypeptides
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Which of the following statements concerning mucous cells is (are) true?
a-contain poorly developed Golgi complex b-contain cisternae of granular endoplasmic reticulum c-produce secretory granules d-are eosinphilic |
b-contain cisternae of granular endoplasmic reticulum c-produce secretory granules d-are eosinphilic |
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Which of the following is (are) true of both endocrine and exocrine glands?
a-are incapable of merocrine secretion b-their secretory portions are composed of epithelial cells c-contain abundant smooth endoplasmic reticulum in peptide- or protein-secreting d-nerves do not affect their secretory activity e-realease their secretions directly into the blood |
b-their secretory portions are composed of epithelial cells
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Which of the following is (are) characteristic of pseudostratified columnar epithelium?
a-all nuclei lie at the same depth from the surface b-all cells border on the lumen c-all cells are in contact with basal lamina d-contains also basal cells |
c-all cells are in contact with basal lamina
d-contains also basal cells |
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Which of the following is (are) true of stereocilia? a-are structurally similar to cilia b-contain an exoneme c-are underlain by basal bodies d-contain actin filaments in their cores e-contain nine microtubule triplets in their cores |
d-contain actin filaments in their cores
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Which of the following is (are) true of merocrine glands?
a-do not include endocrine glands b-do not include exocrine glands c-secretory cells have a well-developed Golgi complex d-secretory cells lose their apical cytoplasm during secretion e-secretory cells contain secretory granules |
c-secretory cells have a well-developed Golgi complex
e-secretory cells contain secretory granules |
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Which of the following is (are) true of the zonula occludens?
a-is characterized by local adhesion of the outer leaflets of adjacent unit membranes b-is characterized by the presence of abundant cytokeratin filaments in the vicinity of the junction c-usually surrounds basal region of cells d-is characterized by a dense intracellular layer of electron dense proteins e-is characterized by the presence of connexons f-represents component of apical junctional complex |
a-is characterized by local adhesion of the outer leaflets of adjacent unit membranes
f-represents component of apical junctional complex |
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Which of the following is (are) true of cilia?
a-are covered by plasma membrane b-posses microfilaments in their cores c-are anchored in the terminal web d-contain axonemes composed of microtubules e-only one cilium may occur per cell |
a-are covered by plasma membrane
d-contain axonemes composed of microtubules e-only one cilium may occur per cell |
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Which of the following cells contain mitochondria of tubular type?
a-ion-transporting cells b-mucus-secreting cells c-peptide-secreting cells d-protein-secreting cells e-steroid-secreting cells |
e-steroid-secreting cells
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contain axonemes of 9+2 inner patter and are up to 50 μm long
a-cilia b-flagella c-basal bodies d-centrioles |
b-flagella
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composed of 9 triplets of microtubules and associated with striated rootlets
a-cilia b-flagella c-basal bodies d-centrioles |
c-basal bodies d-centrioles |
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help to organize mitotic spindles
a-cilia b-flagella c-basal bodies d-centrioles |
d-centrioles
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in modified form perform a sensory function
a-cilia b-flagella c-basal bodies d-centrioles |
a-cilia
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most developed rough endoplasmic reticulum
a-ion-transporting cells b-protein-secreting cells c-mucus-secreting cells d-steroid-secreting cells e-neither |
b-protein-secreting cells
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abundant smooth endoplasmic reticulum
a-ion-transporting cells b-protein-secreting cells c-mucus-secreting cells d-steroid-secreting cells e-neither |
d-steroid-secreting cells
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cells contain numerous large light secretory granules showing tendency to fuse
a-ion-transporting cells b-protein-secreting cells c-mucus-secreting cells d-steroid-secreting cells e-neither |
c-mucus-secreting cells
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contain dense core vesicles
a-ion-transporting cells b-protein-secreting cells c-mucus-secreting cells d-steroid-secreting cells e-neither |
e-neither
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contain basal labyrinth
a-ion-transporting cells b-protein-secreting cells c-mucus-secreting cells d-steroid-secreting cells e-neither |
a-ion-transporting cells
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covered by plasma membrane
a-cilia b-microvilli c-neither |
a-cilia
b-microvilli |
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contain microfilaments
a-cilia b-microvilli c-neither |
b-microvilli
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contain microtubules
a-cilia b-microvilli c-neither |
a-cilia
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anchored in basal bodies
a-cilia b-microvilli c-neither |
a-cilia
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anchored in terminal web
a-cilia b-microvilli c-neither |
b-microvilli
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reveal similar inner pattern as streocilia
a-cilia b-microvilli c-neither |
b-microvilli
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appear on basal surfaces of epithelial cells
a-cilia b-microvilli c-neither |
c-neither
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present in simple cuboidal epithelium
a-zonula occludens b-zonula adherens c-neither |
a-zonula occludens
b-zonula adherens |
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present in pseudostratified epithelium
a-zonula occludens b-zonula adherens c-neither |
a-zonula occludens
b-zonula adherens |
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component of basement membrane
a-zonula occludens b-zonula adherens c-neither |
c-neither
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component of desmosomes
a-zonula occludens b-zonula adherens c-neither |
c-neither
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abundant smooth endoplasmic reticulum
a-steroid-secreting cells b-polypeptide- and amine-secreting cells c-neither |
a-steroid-secreting cells
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numerous parallel cisternae of rough endoplasmic reticulum
a-steroid-secreting cells b-polypeptide- and amine-secreting cells c-neither |
c-neither
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numerous lipid droplets present a-steroid-secreting cells b-polypeptide- and amine-secreting cells c-neither |
a-steroid-secreting cells
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large light secretory granules
a-steroid-secreting cells b-polypeptide- and amine-secreting cells c-neither |
c-neither
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small secretory granules that differ in their appearance in individual cell types
a-steroid-secreting cells b-polypeptide- and amine-secreting cells c-neither |
b-polypeptide- and amine-secreting cells
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mitochondria with tubular cristae
a-steroid-secreting cells b-polypeptide- and amine-secreting cells c-neither |
a-steroid-secreting cells
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