Which of the following structures opens directly into the nasal cavity? A. paran
ID: 85350 • Letter: W
Question
Which of the following structures opens directly into the nasal cavity? A. paranasal sinuses B. auditory tubes C. lacrimal glands D. fauces E. epiglottis The largest of the laryngeal cartilages is the A. epiglottis. B. thyroid cartilage. C. cricoid cartilage. D. corniculate cartilage. E. cuneiform cartilage. During swallowing, the opening into the larynx is covered by the A. epiglottis. B. thyroid cartilage. C. cricoid cartilage. D. arytenoid cartilage. E. the "Adam's apple". The trachea A. is located in the pleural cavity. B. has "C" shaped cartilages that form its anterior and lateral sides. C. is lined with keratinized squamous epithelium. D. bifurcates to form the bronchioles. E. collapses when not in use. Arrange the following structures in the order air passes through them during inhalation: (1) alveolar ducts (2) alveolus (3) respiratory bronchiole (4) terminal bronchiole A. 1, 2, 3, 4 B. 2, 1, 3, 4 C. 4, 3, 1, 2 D. 3, 2, 1, 4 E. 4, 3, 2, 1 Gas exchange between the air in the lungs and the blood takes place in the alveoli. A. alveoli. B. primary bronchi. C. terminal bronchioles. D. trachea. E. respiratory bronchi.Explanation / Answer
60. The Paranasal sinuses open directly in nasal cavity.
61. The largest laryngeal cartilage is Thyroid cartilage
The thyroid cartilage is the largest laryngeal cartilage out of nine cartilage that make up the laryngeal skeleton.
62. During swallowing the opening of the larynx is covered by epiglottis
During swallowing epiglottis covers the larynx so that the swallowed food or any liquid goes down the esophagus only instead of the trachea.
63. The trachae has C- shaped cartilages that for its anterior and lateral sides. These are calles circoid cartilages
64. The order of structure as air passes through them is 4,3,2,1
Terminal bronchiole- respiratory bronchile- alveolar duct- alveoli
65. The gas exchange between the lungs and blood takes place in alveoli.
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