When the lungs are in the rest phase of the breathing cycle, (Select all that apply.) O the alveolar pressure decreases in preparation for the next phase of the breathing cycle Oa pressure gradient does not exispetween the alveolar and atmospheric pressures O the diaphragm is contracted Othe alveolar pressure is equal to the atmospheric pressure O the diaphragm is relaxed

Q: process of getting air into the lungs and getting it back out

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Q: When you inhale, the diaphragm contracts and moves up. True False

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Q: At rest, Emma typically takes thirteen 400 mL breaths per minute and she has an anatomical deadspace…

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Q: Lung Capacity What is TV if VC = 4600mL, ERV = 1100mL, IRV = 3000mL ? Show your work.

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Q: At the end of a normal expiration , pleural and alveolar pressures are-5 and 0 cm H2O ,…

A: Expiration and inspiration are two phases of the respiratory cycle that occur during breathing.…

Q: What is the importance of surfactant in the lungs? O it reduces the surface tension of water in the…

A: Lungs are the respiratory organs that receive oxygen from the environment and supply the oxygen to…

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Q: TV+ IRV + ERV + RV ERV + RV TV+IRV + ERV TV + IRV [Choose] [Choose] [Choose ] [Choose]

A: Respiratory volumes (or lung volume) and lung capacities are the air volumes present in the lungs at…

Q: Which of these structures are a part of the respiratory membrane? O A stratified squamous epithelium…

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Q: which leads to movement of When the diaphragm is contracted, intrapleural pressure a. air decreases;…

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Q: How does surfactant reduce lung recoil? What happens ifthe alveoli have insufficient surfactant?

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Q: Normal, resting breaths are called: O Vital capacity O Functional residual capacity O Residual…

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Q: At FRC the alveolar pressure is OA. Equal to plural pressure O B. More negative that plural pressure…

A: Correct answer is E. FRC (Functional Residual Capacity) refers to the amount of air remaining in the…

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Q: Expiratory Reserve Volume + Residual Volume = Multiple Choice Capacity.

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Q: For inspiration to occur, which of the following has to happen fırst? O thoracic cavity volume…

A: The process of taking air into the lungs and throwing it out is known as breathing. The exchange of…

Q: If an alveolus is poorly ventilated, what is the local compensatory response? Select all that apply.…

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Q: The area in the lungs that PO2 and PCO2 do not change is called...? O Pleura O Alveoli O Dead Space…

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Q: The body changes alveolar ventilation rates to maintain proper alveolar gas levels. Which of the…

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Q: In which of the following does gas exchange happen? O Nasal passageway Alveoli Nasopharynx O Bronchi…

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