Histology MCQs/Respiratory System

{How is arranged muscle tissue in the wall of bronchi? - Longitudinal bundles of smooth muscle cells - Longitudinal bundles of striated muscle fibers + Spiral bundles of smooth muscle cells - Spiral bundles of striated muscle fibers
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{What is main function of type II pneumocyte? - It is a part of neuroendocrine system - It is a site of diffusion of gases + It produces a surfactant - It produces a mucus
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{Which type of muscle tissue is made trachealis muscle? - Myoepithelium + Smooth muscle - Striated muscle - Mixture of smooth and striated muscle
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{Which type of glands sits in lamina propria mucosae of the trachea? - Serous - Mucinous + Seromucinous - There are no glands there
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{Which type of cartilage forms the cartilagineous skeleton of the nose? + Hyaline cartilage - Elastic cartilage - Main part of cartilages is composed of hyaline cartilage, but some cartilages are elastic - Main part of cartilages is composed of elastic cartilage, but some cartilages are hyaline
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{Which epithelium covert main part of the vocal fold (true vocal fold)? + Stratified squamous non-keratinizing - Stratified squamous keratinizing - Simple squamous non-keratinizing - Simple squamous keratinizing
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{Which epithelium covers often at least a part of the vestibular fold (false vocal fold)? + Stratified squamous non-keratinizing - Stratified squamous keratinizing - Simple squamous non-keratinizing - Simple squamous keratinizing
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{Which muscle tissue is a material of the vocal muscle? - Smooth muscle + Striated muscle - Smooth muscle in the caudal part, striated muscle in the cranial part - Smooth muscle in the cranial part, striated muscle in the caudal part
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{Which of following statements about elastic fibers in lungs is the most accurate? - There are elastic fibers in the lung, but in the wall of arteries only + There is plenty of elastic fibers in the lungs - There are some elastic fibers in the lung - There are no elastic fibers in the lung
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{Which type of tissue formss an innter "skeleton" of the epiglottis? - Fibrocartilage + Elastic cartilage - Hyaline cartilage - Dense connective tissue
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{Which of following statements about arteries in the lung circulation is true? + There is a low pressure in the pulmonary circulation, therefore arteries are thinwalled than arteries in the system circulation - There is a low pressure in the pulmonary circulation, therefore arteries are thickwalled than arteries in the system circulation - There is a high pressure in the pulmonary circulation, therefore arteries are thinwalled than arteries in the system circulation - There is a high pressure in the pulmonary circulation, therefore arteries are thickwalled than arteries in the system circulation
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