A&P2 Respiratory system Exam Review (Questions & Answers)

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1409 - RESPIRATORY SYSTEM - Understanding Medical-Surgical Nursing How many parts is the respiratory system divided into? Where is the upper tract located in? Where is the lower portion of the r... espiratory system located? The ________ of the lungs are the site of gas exchange between the air and the blood of pulmonary circulation; the rest of the system moves air into and out of the lungs. What separates the nasal cavities at midline? The paranasal sinuses are air cavities located in the Pharynx Nasopharynx Oropharynx: Laryngopharynx arynx Epiglottis Thyroid cartilage What type of muscles are found in the bronchial tree? What occupies the thoracic cavity? What protects the lungs? The indentation on the medial (mediastinal surface) on each lung is called What happens at the hilus What produces lubrication to reduce friction during lung expansion What is the functioning unit of the lungs What type of fluid does the Alveolar cells secrete Between clusters of alveoli is elastic connective tissue that can stretch during inhalation and recoil during exhalation. The recoil of this tissue allows passive exhalation without the expenditure of energy. Where does the trachea branches into the two primary Bronchi Describe the right bronchus The left lung has how many lobes The right lungs has how many lobes List the primary respiratory muscles. When are accessory muscles of respiration used Where is the Respiratory centers of the brain? located in the medulla oblongata and pons, What is a normal respiratory rate What does the boyles law state What causes the external intercostal muscles to expand the thoracic cavity in the anteroposterior dimension The ease of thoracic and lung expansion is called Normal exhalation is a passive process but forced exhalation is _____________is formed in the lungs, where the partial pressure of oxygen (PaO2) is high. In tissues where the PaO2 is low, Hgb releases much of its oxygen. The remaining oxygen is dissolved in the plasma Most carbon dioxide (70%) is carried as ________in the blood plasma These ions form when carbon dioxide enters RBCs and is converted to ____. carbonic acid (H2CO3). [Show More]

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