Choose the one answer that best answers the question.
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1 | | What is the function of the respiratory system? |
| | A) | transport oxygen and nutrients to tissues |
| | B) | exchange carbon dioxide for oxygen |
| | C) | exchange oxygen for carbon dioxide |
| | D) | digest food molecules for energy |
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2 | | How do humans move air in and out of our lungs? |
| | A) | temperature gradients |
| | B) | concentration gradients |
| | C) | pressure gradients |
| | D) | osmosis |
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3 | | When a human inhales, the thoracic cavity expands, expanding our lungs and creating a _______. |
| | A) | negative pressure gradient |
| | B) | positive pressure gradient |
| | C) | neutral air pressure |
| | D) | positive concentration gradient |
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4 | | What is the primary structure used for generating the pressure gradients for respiration? |
| | A) | intercostal muscles |
| | B) | lungs |
| | C) | larynx |
| | D) | diaphragm |
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5 | | When a person inhales, the diaphragm moves ____ and the thoracic cavity _____. |
| | A) | up, expands |
| | B) | up, contracts |
| | C) | down, expands |
| | D) | down, contracts |
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6 | | Which volume measures the air that cannot be exhaled from the lungs? |
| | A) | residual |
| | B) | expiratory reserve |
| | C) | tidal |
| | D) | inspiratory reserve |
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7 | | The tidal volume is _____. |
| | A) | the air that cannot be exhaled |
| | B) | the air that can be exhaled after a normal exhalation |
| | C) | the air necessary to maintain the oxygen supply for the body's tissues |
| | D) | the total of the sum of the vital capacity and the residual volume |
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8 | | If a person has a tidal volume of 600mL and breathes 60 times a minute, then what is the person's respiratory minute volume? |
| | A) | 10 mL/minute |
| | B) | 0.1 mL/minute |
| | C) | 36000 mL/minute |
| | D) | 660 mL/minute |
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9 | | If a person has a vital capacity of 4650mL, a tidal volume of 650mL, and an expiratory reserve volume of 1300, then what is that person's inspiratory reserve volume? |
| | A) | 6600mL |
| | B) | 3000mL |
| | C) | 4000mL |
| | D) | 5300mL |
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10 | | Which of the following can affect one's vital capacity? |
| | A) | emphysema |
| | B) | pneumonia |
| | C) | exercise |
| | D) | all of the above |
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11 | | What is the function of the respiratory system? |
| | A) | transport oxygen and nutrients to tissues |
| | B) | exchange carbon dioxide for oxygen |
| | C) | exchange oxygen for carbon dioxide |
| | D) | digest food molecules for energy |
|
|
12 | | How do humans move air in and out of our lungs? |
| | A) | temperature gradients |
| | B) | concentration gradients |
| | C) | pressure gradients |
| | D) | osmosis |
|
|
13 | | When a human inhales, the thoracic cavity expands, expanding our lungs and creating a _______. |
| | A) | negative pressure gradient |
| | B) | positive pressure gradient |
| | C) | neutral air pressure |
| | D) | positive concentration gradient |
|
|
14 | | What is the primary structure used for generating the pressure gradients for respiration? |
| | A) | intercostal muscles |
| | B) | lungs |
| | C) | larynx |
| | D) | diaphragm |
|
|
15 | | When a person inhales, the diaphragm moves ____ and the thoracic cavity _____. |
| | A) | up, expands |
| | B) | up, contracts |
| | C) | down, expands |
| | D) | down, contracts |
|
|
16 | | Which volume measures the air that cannot be exhaled from the lungs? |
| | A) | residual |
| | B) | expiratory reserve |
| | C) | tidal |
| | D) | inspiratory reserve |
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17 | | The tidal volume is _____. |
| | A) | the air that cannot be exhaled |
| | B) | the air that can be exhaled after a normal exhalation |
| | C) | the air necessary to maintain the oxygen supply for the body's tissues |
| | D) | the total of the sum of the vital capacity and the residual volume |
|
|
18 | | If a person has a tidal volume of 600mL and breathes 60 times a minute, then what is the person's respiratory minute volume? |
| | A) | 10 mL/minute |
| | B) | 0.1 mL/minute |
| | C) | 36000 mL/minute |
| | D) | 660 mL/minute |
|
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19 | | If a person has a vital capacity of 4650mL, a tidal volume of 650mL, and an expiratory reserve volume of 1300, then what is that person's inspiratory reserve volume? |
| | A) | 6600mL |
| | B) | 3000mL |
| | C) | 4000mL |
| | D) | 5300mL |
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20 | | Which of the following can affect one's vital capacity? |
| | A) | emphysema |
| | B) | pneumonia |
| | C) | exercise |
| | D) | all of the above |
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