ID: A Ciliated cells lining the respiratory tract a. help move air into and out
ID: 3505988 • Letter: I
Question
ID: A Ciliated cells lining the respiratory tract a. help move air into and out of the lungs. b. trap and phagocytize microorganisms. c. help move the mucus blanket toward the pharynx d. do both B and C. 121. 122. The total number of lobes in both lungs is: b. 5 c. 4 123. Which of these structures is not part of the lower respiratory a. Larynx b. Trachea c. Lungs d. All of the above are part of the lower respiratory tract tract? 124. Which of the following are not part of the external portion of the nose? a. Nasal bones b. Palatine bones c. Alar cartilages d. All of the above are part of the external portion of the nose. Which is a pyramid-shaped cartilage that is an attachment point of the vocal cords? a. Arytenoid b. Thyroid c. Epiglottis d. Adam's apple 125. ses of study, the respiratory system can be divided into what two parts? 126. For purpos a. Air distribution and gas exchange b. Upper respiratory tract and lower respiratory tract c. Trachea and lungs d. Cranial and thoracic The more correct name for a sore throat is: a. rhinitis. b. laryngitis. c. pharyngitis. d. tonsillitis. 127.Explanation / Answer
121. (D) Both B and C are right. Cilia are important in the respiratory tract for both movement of the mucosa as well as trapping phagocytes.
122. (B) The right lung has 3 and the left lung has 2 lobes.
123. (A) The larynx forms a part of the upper respiratory tract along with the pharynx and nares.
124. (B) The Palatine bones do not form a portion of the external nose. Rest all the mentioned bones do.
125. (A) The arytenoids are pyramid shaped cartilages which overlie the vocal cords.
126. (B) The respiratory tract is divided into upper and lower tracts for the purposes of study. Thus is how clinical features are also described.
127. (C) Pharyngitis is the appropriate term for a sore throat.