Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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- In a normal healthy person breathing ambient air at sea level which one of the following will be true less than 10mmHg difference between PAO2 (alveolar) and PzO2 (systemic)PaCO2(alveolar) has no effect on PaO2(systemic)more the 40mmHg difference between PACO2(alveolar) and PaCO2(systemic)PACO2(alveolar) is nearly 0mmHgAlveolar PACO2 is 100mmHgarrow_forwardParasympathethic stimulation of the lungs causes bronchi to dilate bronchioles to dilate bronchi to constrict bronchioles to constrictarrow_forwardWhat is the pressure of gas within the alveoli at the peak of inspiration, just before expiration, relative to atmospheric pressure? Less than atmospheric pressure Greater than atmospheric pressure O Equal to atmospheric pressure O Unable to be determinedarrow_forward
- Please answer both Lung compliance generally decreases as people age. If nothing else changes, how would this loss of compliance affect the act of ventilation? How would alveolar pressure and lung volume be expected to change in a person with an airway disease that involves fibrosis? Whyarrow_forwardNormal, resting breaths are called: O Vital capacity O Functional residual capacity O Residual volume O Inspiratory reserve volume O Tidal volumearrow_forwardThe rise of plasma hydrogen ions will cause O Hyperventilation O Has no effect on the respiratory system O Neither hyperventilation or hypoventilation O Both hyperventilation and hypoventilation Hypoventilationarrow_forward
- What is the primary regulator of ventilation? Arterial Pco2 Venous Po2 O Arterial Po2 O Venous Pco2arrow_forwardWhich of the the following will increase bronchiolar resistance? increased mucous decreased alveolar elastin increased bronchial branching increased smooth muscle tonearrow_forwardExplain how respiratory values correspons to anatomical or physiological changes for asthma, emphysema, moderate exercise and heavy exercisearrow_forward
- You measure the vital signs for Mr. Yazdani, a client you are caring for. His oxygen saturation is 87% on room air. Mr. Yazdani does not appear to be in any distress and denies having any pain or shortness of breath. You see in his previously charted vitals that the saturation was 86%. You have two other clients who require your attention, including one who has been waiting for a shower. What will you do next?arrow_forwardDue to polio, a patient suffers total paralysis of his muscles. For this patient, which of the following values would still be expected to be essentially normal? a. Inspiratory reserve volume b. expiratory reserve volumec. vital capacityd. none of the abovee. total lung capacityarrow_forwardThe inhalation and exhalation are two characteristics of respiratory function. Please explain the concept of ventilation versus respiration, and explain the characteristics of inspiration and expiration in terms of involved organs and the forces triggering them.arrow_forward
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