生理学04任务_0016(得92分)（Physiology, 04 task, _0016 (92 points)）.docVIP

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生理学04任务_0016(得92分)（Physiology, 04 task, _0016 (92 points)）.doc

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生理学04任务_0016(得92分)（Physiology, 04 task, _0016 (92 points)）

生理学04任务_0016(得92分)（Physiology, 04 task, _0016 (92 points)） 04 task _0016 Total score: 100 test time: - Individual choice question First, individual choice questions (altogether 25 questions, altogether 100 points) 1. which of the following conditions reduces airway resistance (C)? A. produces slow reacting substances B. parasympathetic nervous stimulation C. sympathetic nerve stimulation D. histamine release E. acetylcholine release Full marks: 4 2., the gas entering the alveoli can not be completely exchanged with the blood because of the uneven distribution of the blood in the lungs. This fraction of the alveolar volume that does not occur gas exchange is called E A. anatomical void B. physiological void C. alveolar void D. airway void E. invalid lumen Full marks: 4 3. lung capacity is equal to (C) A. the sum of tidal volume and supplemental expiratory volume The sum of B. tidal volume and inspiratory volume C. tidal volume and the volume of inspiratory and supplementary expiratory volume D. the sum of tidal volume and residual volume The difference between E. lung volume and inspiratory capacity Full marks: 4 4. the statement about intrathoracic pressure is correct (D) A. there is a small amount of gas in the chest cavity When B. is expiratory, the intrathoracic pressure is equal to the atmospheric pressure Chest pressure is positive when C. is forced to inhale The size of the intrathoracic pressure in the D. is determined by the retraction force of the lung When E. pneumothorax, intrathoracic pressure is negative pressure Full marks: 4 5. carbon dioxide induced respiratory changes were mainly stimulated by (B) A. peripheral chemoreceptor B. central chemoreceptor C. pulmonary stretch receptor D. pulmonary inflation receptor E. proprioceptive receptor Full marks: 4 6., the reason for the increase in the respiration rate in the void cavity was that the mistake was (E) A. decreased alveolar ventilation B. decreased lung volume C. partial pressure of arterial oxygen