Exam 3- BIOS 251 Questions with Certified Answers

Exam 3- BIOS 251 Questions with Certified Answers
Air entering the body is filtered, warmed, and humidified by the:


upper respiratory tract


lower respiratory tract


lungs


alveoli


bronchioles Correct Answer-upper respiratory tract




Large airborne particles are filtered by:


choanae


the soft palate


nasal hairs in the vestibule of the nose


the nasal sinuses


the nasopharynx Correct Answer-nasal hairs in the vestibule of the nose




The following statements are true except:


-Surfactant is produced by the septal cells.


-Dust cells phagocytize small particulates in the lungs.

, Exam 3- BIOS 251 Questions with Certified Answers
-Surfactant replaces mucus in the alveoli


-Surfactant helps to prevent the alveoli from collapsing


-Surfactant is not found in the early trimester of fetal development Correct Answer-

Surfactant replaces mucus in the alveoli




The common passageway shared by the respiratory and digestive systems is the:


larynx


glottis


vestibule


pharynx


trachea Correct Answer-pharynx




The 'palatine tonsils' are located in the:


nasopharynx


oropharynx


larynx


trachea


bronchi Correct Answer-oropharynx

, Exam 3- BIOS 251 Questions with Certified Answers


The only skeletal element made up of elastic cartilage in the larynx is the ___________

cartilage


thyroid


cricoid


corniculate


cuneiform


epiglottic Correct Answer-epiglottic




The airway between the larynx and the primary bronchi is the:


trachea


bronchiole


pharynx


alveolar duct


laryngeal duct Correct Answer-trachea




Structure supplying air into each bronchi-pulmonary segment is


bronchioles