
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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2. You and your friend are trapped in an overturned ship. To escape you must swim underwater a long distance. You tell your friend it would be a good idea to hyperventilate before making the escape attempt. Your friend condescendingly replies, "What good would that do since your alveolar capillaries are already 100% saturated with oxygen?" Assuming you fight the urge, what would you do and say (based on your knowledge of respiratory physiology)?
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- 2. Describe how the walls of the airway structures change as you move from the trachea to the alveoli.3. What structures make up the conducting zone?arrow_forwardCreate a flow diagram for this respiratory system that has these elements in correct order pharynx, nose, nasal cavity, lung, bronchi, trachea, alveoli, and bronchioles tv speaker notes Q 54 $ R F > % 5 T G 21 6 R MacBook Pro & 7 Y H N U * 00 8 J 1 ( 9 K OA ) 0 0 Р L 1 Carrow_forwardAs a result of an auto accident, a fractured rib completely punctures the right chest wall of a 34-year-old male resulting in a right-sided pneumothorax. The alveoli in the right chest will collapse because of a/an :Decrease in intra-tracheal pressure, becoming more negativeIncrease in trans-chest wall pressure, becoming more negativeDecrease in intrapleural pressure , becoming less negativeIncrease in airway pressure, becoming more positive Increase in alveolar pressure, becoming more negativearrow_forward
- What would happen if the pressure in the pleural space (the space between the visceral and parietal pleura where the pleural fluid is located) 1 P were to increase? the pleura would no longer be able to prevent friction during breathing expiration would take longer than normal it would make expiration more difficult the lung would potentially collapsearrow_forward98) The mean arterial pressure of a person with a blood pressure of 120/60 is ___________. Group of answer choices 80 20 40 60 180 99) After an exhalation, and before air begins to enter the lungs (before inhalation) ____________________ Group of answer choices The volume of the alveoli decreases The volume of the thoracic cavity decreases The pressure in the alveoli decreases Air flows out of the lungs 100) Theoretically, the diastolic pressure can give information regarding the health of the heart Group of answer choices False Truearrow_forward3. What is the alveolar ventilation of a patient with an inspiratory capacity is 4 L, an inspiratory reserve volume of 2 L, an anatomical dead space of 200 ml and a respiratory rate of 10 breaths/minute?arrow_forward
- 7. What is the pressure of oxygen within the alveoli at the peak of inspiration, just before expiration, relative to that of atmospheric air? Less than atmospheric air The same as atmospheric air Greater than atmospheric air 8. Where are the central chemoreceptors located (the ones involved with regulating respiratory drive)? Hypothalamus Cerebral cortex Brain stem Spinal cordarrow_forward151. Vital capacity is defined as the: Group of answer choices maximum volume of air that can be moved into and out of the lungs during forced respiration. volume of air that can be forcibly exhaled after a normal inspiration. volume of air that can be forcibly exhaled at the end of a normal expiration. total volume of air contained in the respiratory passages.arrow_forwardWhich of the following situation will increase A-a (Alveolar-systemic arterial) gradient of Oxygen? Hyperventilation in normal person Cyanide poisoning Patient of pulmonary fibrosis Normal person on high mountain Hypoventilation in normal personarrow_forward
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