Hondros BIO 117 Respiratory System Questions And Correct Answers |100% Verified |Guaranteed Success

Know the tubes that compose the airways - Answer-Nasal cavity, connects to pharynx, connects to larynx, connects to trachea, connects to primary bronchi, connects to secondary and tertiary bronchi, connects to bronchiole, connects to alveoli Review the paranasal sinuses - Answer-1. Maxillary 2. Frontal 3. Ethmoidal 4. Sphenoidal Nasal sinuses connect to... - Answer-Nasal structures Air filled - Answer-paranasal sinuses Vomer and Nasal Septum - Answer-structure that separates the left and right halves of the nasal cavity Pharynx - Answer-has three regions 1. nasopharynx 2. oropharynx 3. larangyopharynx Is a tube that is a common passageway for food and air superior connections of the pharynx - Answer-oral and nasal cavities middle connections of the pharynx - Answer-toward the middle ear, Eustacian Tube/Auditory Tube Inferior connections of the pharynx - Answer-Larynx and esophagus Palatine tonsils - Answer-tonsils on the two sides of the oropharynxPharangeal Tonsils - Answer-Tonsil that sit on top of the nasopharynx Larynx - Answer-innervated by CN X Vagus 3 pieces of Cartilage 1. Thyroid Cartilage 2. Epiglottis 3. Crickoid Cartilage Holds the vocal cords, opening in between is called the Glottis Thyroid Cartilage - Answer-largest cartilage of the larynx that forms the adam's apple in men Epiglottis - Answer-the cartilaginous flap that covers the larynx when food is passing through the pharynx Glottis - Answer-Opening between the vocal cords Trachea - Answer-Opening maintained by C-shaped cartilage Bronchi (singular form: Bronchus) - Answer-Contains C-shaped cartilage contains smooth muscle/nonstriated muscles larger in diameter compared to bronchioles Bronchioles (singular form: bronchiole) - Answer-No cartilage contains smooth muscle /nonstriated muscles smaller in diameter compared to bronchi Norepinephrine (NE) - Answer-Neurotransmitter that causes dilation the bronchi and bronchioles Acetylcholine (ACh) - Answer-Neurotransmitter that causes constriction of the bronchi and bronchioles Dilation - Answer-Circular smooth muscle fibers relax due to NE attached to B2 receptorsConstriction - Answer-Circular smooth muscle fibers contract due to ACh attachment to B2 receptors