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NRTC AP Respiratory
| Question | Answer |
|---|---|
| Area of pharynx in which eustachian tubes open | Nasopharynx |
| Structure that closes over the top of the larynx when swallowing to direct food to the esophagus | epiglottis |
| Respiratory site for gas exchange | alveoli |
| serous membrane that covers the surface of the lungs | visceral pleura |
| Main muscle responsible for pulmonary ventilation | diaphragm |
| Lipid containing fluid that reduces alveolar surface tension | surfactant |
| The ability of the lung to stretch and recoil | pulmonary compliance |
| To oxygenate the tissues O2 forms a weak bond with RBCs for transportation the chemical for oxygen transportation is called______________ | oxyhemoglobin |
| Most likely site of the respiratory system for aspiration of food | right bronchus |
| Membrane that lines the entire thoracic cavity | Parietal Pleura |
| Lung with only two lobes | left |
| branches of this cranial nerve penetrate the upper nasal cavity | olfactory |
| Bone and cartilage dividing the nasal cavity in half | septum |
| Bone separating the nasal cavity from the mouth | palate |
| Structures of the lower respiratory tract | Trachea, bronchus, lungs, alveoli |
| structures of the upper respiratory tract | nose, pharynx, larynx |
| 3 divisions of the pharynx | Nasopharynx, oropharynx, laryngopharynx |
| Supportive structures of the trachea | c-shaped cartilage |
| point of bifurcation of the trachea | carina |
| space between the parietal pleura and visceral pleura | pleural cavity |
| Primary muscle of ventilation | diaphragm |
| Location of the inspiratory and expiratory center | medulla oblongata |
| Spinal nerve responsible for innervation of the diaphragm | Phrenic Nerve |
| Normal range of respiration in 1 minute | 12-20bpm |
| Breathing rate greater than 20bpm | Tachypnea |
| Temporary cessation of breathing | Apnea |
| Breathing rate less than 12bpm | Bradypnea |
| Normal, even breathing at reast | Eupnea |
| Gas diffuses from areas of __________ pressure to areas of _________ pressure | higher, lower |
| Structure that filters and moistens inspired air | nasal cavity |
| Muscles that move the ribcage up and out during inspiration | External Intercostals |
| Muscles that expand the lower ribcage and help flatten the diaphragm increase abdominal pressure | Internal Intercostals |
| Area of the pharynx in which only air passes through | Nasopharynx |
| Area of the pharynx in which the tonsils and base of the tongue are found | Oropharynx |
| Gas exchange depends on differences in ________. | Pressure |
Created by:
kleer
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