Histology MCQs/Respiratory System II



{What is true about the mucosa of inferior concha? - Epithelium is pseudostratified columnar, lamina propria contains few vessels only + Epithelium is pseudostratified columnar, lamina propria contains numerous vessels - Epithelium is stratified squamous, lamina propria contains few vessels only - Epithelium is stratified squamous, lamina propria contains numerous vessels
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{In which part of respiratory system do we have sebaceous glands? - Bronchioli + Nostrils - Trachea - Larynx
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{Which structure is on apical part of brush cells of respiratory passages? - Stereocilia + Microvilli - Kinocilia - Nothing
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{What is main function of goblet cells of respiratory passages? - Production of signaling molecules - Phagocytosis of bacteria + Production of mucus - Chemoreception
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{Pharynx: - Epithelium of oropharynx is pseudostratified columnar, epithelium of nasopharynx is pseudostratified columnar - Epithelium of oropharynx is pseudostratified columnar, epithelium of stratified squamous + Epithelium of oropharynx is stratified squamous, epithelium of nasopharynx is pseudostratified columnar - Epithelium of oropharynx is stratified squamous, epithelium of nasopharynx is stratified squamous
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{Which cartilages are in the larynx? - Hyaline only - Elastic only + Both hyaline and elastic - There is no cartilage in the larynx
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{Which type of epithelium covers the vocal folds? - Pseudostratified columnar without cilia - Pseudostratified columnar with cilia + Stratified squamous non-keratinizing - Stratified squamous keratinizing
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{Which type of muscle tissue is main tissue of vocal muscle? - Medial portion is composed of skeletal muscle, lateral portion is composed of smooth muscle - Medial portion is composed of smooth muscle, lateral portion is composed of skeletal muscle + Skeletal muscle - Smooth muscle
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{Which type of muscle tissue is main tissue of tracheal muscle? - Both smooth and skeletal muscle - Tracheal muscle does not exist - Skeletal muscle + Smooth muscle
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{Which cartilage takes place in the wall of trachea? + Hyaline cartilage - Elastic cartilage - Fibrocartilage - It depends on the level (distance from the nose)
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{Which structure is not present in bronchioli? - Pseudostratified columnar epithelium + Hyaline cartilage - Elastic fibers - Smooth muscle
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{What is not a function of club cells (Clara cells)? - Production of antibacterial peptides + Production of free radicals - Production of surfactant - Production of mucus
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{Which type of fibers is not abundant inside interalveolar septs? - Fibers of type III collagen + Fibers of type I collagen - Elastic fibers - Reticular fibers
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{Alveolar capillaries are: - Non-fenestrated with discontinuous basement membrane + Non-fenestrated with continuous basement membrane - Fenestrated with discontinuous basement membrane - Fenestrated with continuous basement membrane
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{Which of following cells contains lamellar bodies? + Type II pneumocyte - Type I pneumocyte - Goblet cell - Dust cell
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{Type I pneumocytes: - Contain abundant Golgi apparatus + Contain pinocytic vesicles - Produce surfactant - Produce mucus
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{What is a dust cell? - Laryngeal macrophage - Laryngeal neutrophil + Alveolar macrophage - Alveolar neutrophil
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{What is a mesothelium? - Multiple layers of squamous cells - Multiple layers of columnar cells. + One layer of squamous cells - One layer of columnar cells
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{Which of following structures is main motoric structure inside cilia (kinocilia)? + Microtubules associated with dyneins - Microtubules associated with kinesins - Actin associated with type I myosin - Actin microfilaments alone
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{Which cells are main receptors of olfactory mucosa? - Senzoric epithelial cells - Multipolar neurons + Bipolar neurons - Basal cells
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