Structure & Function of the Body Edition 16 Patton Chapter 015 Quiz Bank with Verified Answers 2023 ATESTED

A 3-dimensional visual of the respiratory system would be similar to an correct answers inverted tree if it were hollow Branches would be the correct answers bronchi Leaves of the tree would be correct answers comparable to alveoli, with the microscopic sacs enclosed by networks of capillaries The passive transport process of diffusion is responsible for correct answers the exchange of gases that occurs during respiration The respiratory tract is divided into correct answers upper and lower portions The upper respiratory tract includes correct answers the nose, pharynx, and larynx The lower respiratory tract contains correct answers the trachea, bronchial tree, alveoli, and lungs The respiratory mucosa is a correct answers specialized membrane that lines the air distribution tubes in the respiratory tree Three types of epithelium are correct answers present in the respiratory mucosa Ciliated pseudostratified epithelium lines correct answers most of the tract and produces mucus Stratified squamous epithelium lines correct answers the nostrils, vocal folds, and pharynx; it serves a protective function Simple squamous epithelium lines correct answers the alveoli, and facilitates gas exchange More than 125 mL of mucus is produced each day correct answers The respiratory mucosa forms a "mucous blanket" over much of the respiratory mucosa Mucus serves as an correct answers air purification mechanism by trapping inspired irritants such as dust and pollen The respiratory mucosa also supports what could be called correct answers the ciliary escalator; cilia on mucosal cells beat in only one direction, moving mucus upward to the pharynx for removal A nasal septum separates correct answers the interior of the nose into two cavities, called nares or nostrils Frontal, maxillary, sphenoidal, and ethmoidal sinuses of the skull drain correct answers into the nose The nose correct answers warms and moistens inhaled air. It also houses the sense organs of smell The pharynx or throat is about correct answers 12.5 cm (or 5 inches) long. It is divided into the nasopharynx, oropharynx, and the laryngopharynx The two nasal cavities, mouth, esophagus, larynx, and auditory tubes all have correct answers openings into the pharynx Pharyngeal tonsils and the openings of auditory tubes correct answers open into the nasopharynx The tonsils are found in correct answers the oropharynx The pharynx functions as correct answers a passageway for food and liquids, as well as a passageway for air Nine pieces of cartilage form the correct answers framework of the last structure of the upper respiratory tract, the larynx The thyroid cartilage correct answers (also called the Adam's apple) is the largest of the nine pieces of cartilage The epiglottis partially covers the correct answers opening into the larynx Vocal cords stretch correct answers across the interior of the larynx