Unitek LVN Chapter 7 The Respiratory System Questions With 100% Correct Answers | Update 2026

Unitek LVN Chapter 7 The Respiratory System Questions With 100% Correct Answers | Update 2026 bronch/o, bronchi/o - answer-bronchial tube, bronchus laryng/o - answer-larynx, throat nas/o - answer-nose ox/i, ox/o, ox/y - answer-oxygen pharyng/o - answer-throat, pharynx phon/o - answer-sound, voice pleur/o - answer-pleura, side of the body -pnea - answer-breathing pneum/o, pneumon/o, pneu- - answer-lung, air pulm/o, pulmon/o - answer-lung sinus/o - answer-sinussomn/o - answer-sleep spir/o - answer-to breath thorac/o, thorax - answer-chest, pleural cavity trache/o, trachea - answer-windpipe respiratory system - answer-supplies the blood with oxygen for transportation to the cells in all parts of the body upper respiratory tract - answer-nose, mouth, pharynx, epiglottis, larynx, and trachea lower respiratory tract - answer-consists of the bronchial tree and lungs thoracic cavity - answer-rib cage, thorax; protects the lower respiratory tract nose - answer-where air enters the body; nasal cavity is inner portion of nose; nostrils are the external openings of the nose nasal septum - answer-wall of cartilage that divides the nose into 2 equal sections cilia - answer-the hairs located just inside the nostrils, filter incoming air to remove debris mucous membranes - answer-lines the nose.. also lines the digestive, reproductive, urinary systems, and other parts of respiratory system mucus - answer-slippery secretion produced by the mucous membranes that protects and lubricates these tissuesolfactory receptors - answer-nerve endings that act as the receptors for the sense of smell tonsils (such as adenoids) - answer-part of lymphatic system, they help protect the body from infection coming through the nose or the mouth paranasal sinuses - answer-air filled cavities lined with mucous membrane, located in the bones of the skull. (functions: makes skull bones lighter, aid in sound production for speaking, produce mucus to lubricate tissues) frontal sinuses - answer-located in frontal bone above the eyebrows sphenoid sinuses - answer-located in sphenoid bone behind the eye and under the pituitary gland; close to the optic nerve maxillary sinuses - answer-largest paranasal sinus, located in maxillary bones under the eyes ethmoid sinuses - answer-located in ethmoid bones between the noise and the eyes; are irregularly shaped air cells that are separated from the orbital cavity by a thin layer of bone pharynx - answer-throat; receives air after it passes through the nose or mouth, as well as food nasopharynx - answer-the first division, posterior to the nasal cavity and continues downwards to behind the mouth oropharynx - answer-the second division, portion that is visible when looking into the mouth; it is shared by the respiratory and digestive systems and transports air, food, and fluids downward to the laryngopharynx laryngopharynx - answer-third division; shared by respiratory and digestive system