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Amber Willoughby
Physiology Final Stack
Question | Answer |
---|---|
The vital capacity is equal to the sum of the: | inspiratory reserve volume, tidal volume, and expiratory reserve volume. |
Excessive fluid in the pleural cavity would be most likely to cause: | decreased vital capacity. |
Which of the following helps determine the amount of oxygen that diffuses into the blood each minute? ` | The total functional surface area of the respiratory membrane Alveolar ventilation The oxygen pressure gradient between alveolar air and incoming pulmonary blood |
Dalton law states that the partial pressure of a gas in a mixture of gases is _____ to the total pressure of the mixture. | directly related to the concentration of that gas in the mixture and |
Which of the following is not a regulated process associated with the functioning of the respiratory system? | Control of cell metabolism rate |
The term used to describe the volume of air exchanged during normal inspiration and expiration is: | tidal volume. |
Normal, quiet breathing is known as: | eupnea |
By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood’s hemoglobin has united with oxygen? | 97% |
One hundred milliliters of arterial blood contains approximately what volume percent of oxygen? | 20% |
The PCO2 in the atmosphere is: | less than in the alveolar air. |
Which muscles are used for forced expiration? | Abdominal muscles and internal intercostals |
If the tidal volume of a given individual is 500 ml, then the anatomical dead space is approximately _____ ml. | 150 |
During inspiration, the expansion of the lungs causes: | a decrease in alveolar pressure. |
Which of the following constitutes total lung volume? | Residual volume and vital capacity |