Histology MCQs/Mock Credit Test C

Mock credit test.

Only one answer is correct, minimal score is 18 points.

{What is main purpose of fixation? - To remove water from the cells and the extracellular space + To prevent degradation by enzymes released from the cells - To prepare tissue for staining by charged dyes - To make tissue structures harder
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{What is the most common basic dye? - Nuclear red + Hematoxylin - Azocarmine - Eosin
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{Which of following structures is stainable with the PAS reaction? - Smooth endoplasmic reticulum - Elastic fibers and membranes - Intermediate filaments + Reticular fibers
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{Which of following stainings is the best for the transmission electron microscopy? - Incubation with fluorescent dyes - Impregnation by silver nitrate + Staining with osmium tetroxide - Feulgen's reaction
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{There a section through lungs on the picture. Which staining was applied on the specimen? - Weigert - Van Gieson's stain - Masson's yellow trichrome + Masson's blue trichrome - Hematoxylin - eosin
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{Which of following statements about glycocalyx is true? - Glycocalyx is associated to the cell membrany mainly by non-covalent bonds - Glycocalyx is the most abundant on the inner side of Golgi apparatus + Glycocalyx takes place on the outer side of the cell membrane - Glycocalyx is composed mainly of glycogen
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{How is called process ivolving small invaginations of the cell membrane which fuse and entrap extracellular fluid? - Phagocytosis - Endocytosis + Pinocytosis - Exocytosis
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{Which type of signaling is "low-range", i.e. ligands are able to reach cells which are close to the secreting cell only? - Juxtacrine signaling + Paracrine signaling - Endocrine signaling - Synaptic signaling
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{Which organelle is responsible for degradation of misfolded proteins? + Proteasomes - Lysosomes - Endosomes - Exosomes
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{Which type of cytoskeleton supports stereocilia - Vimentin filament - Desmin filaments + Actin filament - Microtubules
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{What is a Barr body? - Site of production of rRNA + Inactivated X chromosome - Granule of glycogen - Lipid droplet
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{Nuclear lamina belong to one group of cellular structures. Which one? + Intermediate filaments - Cell inclusions - Microfilaments - That structure does not exist
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{What is main event during the S phase of the cell cycle? - Simplification of superstructure of DNA - Reparation of DNA breaks - Mitotic division + Synthesis of DNA
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{All but one of processes occurs during the apoptosis. Which of them is not present? + Increased mitochondrial function - Degradation of membrane proteins - Fragmentation of DNA - Activation caspases
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{Which type of epithelium is on the picture?

+ Stratified squamous non-keratinizing epithelium - Stratified squamous keratinizing epithelium - Transitional epithelium - Trabecular epithelium
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{Which type of collagen is common in the basal lamina? - Type I collagen - Type II collagen - Type III collagen + Type IV collagen
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{Which type of cytoskeleton is associated with the tight junction (occluning junction)? - Intermetiate filaments - Actin filaments - Microtubules + None of above mentioned
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{Which motor protein is responsible for movement of cilia? - Kinesin + Dynein - Myosin - Cilia are immotile
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{Which embryonic structre give rise the connective tissue? + Mesenchyme - Endoderm - Mesoderm - Ektoderm
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{Which structure is abundant inside fibroblasts? - Smooth endoplasmic reticulum + Rough endoplasmic reticulum - Lipid droplets - Lysosomes
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{Which organ is on this picture of some connective tissue?

- Wall of the oesophagus - Bone marrow + Tendon - Scar
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{Which type of collagen is main collagen of elastic fibers? - Type I collagen - Type II collagen - Type III collagen + Elastic fibers are not composed of collagens
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{Which molecules are released by activated mast cells? - Proteins of coagulation cascade - Epinephrin and norepinephrin + Heparin and histamine - Antibodies
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{Which type of collagens forms fibrilary component of the extracellular matrix of the fibrocartilage? + Type I and type II collagens - Type I and type III collagens - Type II and type IV collagens - Type III and type IV collagens
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{What is an aggrecan? - Main signaling molecule of osteogenesis - Main adhesion molecule of fibroblasts + Main progeoglycan of cartilages - Main glycoprotein of bones
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{How is called strucure labeled A on the picture?

- Volkman's canal + Haverisan canal - Endosteum - Lacuna
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{What is main molecule of Sharpey fibers? - Type III collagen + Type I collagen - Osteopontin - Osteonectin
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{Which intracelular structure is called in neurons a Nissl substance? + Rough endoplasmic reticulum - Golgi apparatus - Microtubules - Nucleolus
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{To which structure in astrocytes belongs glial fibrillary acid protein''' (GFAP)? + Intermediate filaments - Golgi apparatus - Cell inclusions - Mitochondria
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{Which white blood cell is on the picture?

- Lymphocyte - Neutrophil + Monocyte - Basophil
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Links

 * List of all tests: Histology MCQs
 * Portal:Histology