Term
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Definition
| tiny strucutures in lungs where gas exchange occurs |
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Term
| the wall (cell membrane) of the alveoli and the wall (cell membrane) of the capillary |
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Definition
| What makes up the respiratory membrane? |
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Term
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Definition
| What white blood cell can be found in lung tissue? |
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Term
| Type II surfactant secreting cells that are part of the wall of the alveoli |
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Definition
| Which cells make surfactant? |
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Term
| surfactant reduces surface tension in the alveoli, so the sides of an alveolus don't stick together |
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Definition
| What's the function of surfactant? |
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Term
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Definition
| What are the tiny holes in the sides of the alveolus that allow air to move from one alveoli to another? |
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Term
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Definition
| Gases always diffuse from _____ to ____ concentration or pressure |
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Term
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Definition
| Oxygen is always going to diffuse from the ________ and go into the blood. |
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Term
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Definition
| Carbon dioxide is always going to diffuse from the _______ and go into the lung. |
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Term
| From the blood to the tissue |
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Definition
| If the blood P O2 is 58mm Hg, and the tissue's blood is a P O2 32 mm Hg, which direction will the oxygen go |
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Term
| The CO2 will move from blood to lungs. |
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Definition
| If the capillaries P CO2 is 36 mmHg, and the lung is P CO2 10 mm Hg, which direction will the CO2 move? |
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Term
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Definition
| What molecule on a red blood cell binds to the oxygen? |
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Term
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Definition
| What cells transport oxygen and carbon dioxide? |
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Term
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Definition
| When oxygen is bound to hemoglobin, it is called ______ |
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Term
| The greater the difference in concentration, the faster the diffusion. Gas concentration or pressures always from from high to low. |
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Definition
| What determines how quickly the gases diffue across the membrane? |
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Term
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Definition
| What disease is characterized by a viral or bacterial infection that causes the alveoli to swell with liquid and WBC's? |
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Term
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Definition
| What disease is characterized by a bacterial infection in lungs and the infection site form tubercles and destroy lung tissue? |
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Term
| higher CO2 levels at cells; lower pH/more acid in tissues, warmer temp.s at tissues |
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Definition
| What 3 factors will cause oxyhemoglobin to release more oxygen to cells? |
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Term
| 21% O2 in and inhale; 14% O2 in an exhale |
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Definition
| How much oxyen is in inhaled air vs. exhaled air? |
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Term
| .04% CO2 in an inhale; about 6% in an exhale |
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Definition
| How much CO2 is there in an inhale vs. an exhale? |
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Term
| Because they generate CO2 in cellular respiration and the CO2 combines with water to make carbonic acid, H2CO3. |
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Definition
| why do active tissues with high metabolic rates create an acidic environment? |
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Term
| Because when they are doing cellular respiration, heat is produced as a waste product. |
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Definition
| Why do metabolic active tissues become warmer? |
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Term
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Definition
| What disease is characterized by excess production of thick mucus that clogs bronchial tubes, and it is genetic. |
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Term
| It's tiny glasslike fibers cut the lungs tissue and leads to scarring and lunc cancer or mesothelioma |
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Definition
| Why is asbestos dangerous to the lungs? |
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Term
1. as carbaminohemoglobin in the RBC
2. as dissolved CO2 in the plasma
3. as HCO3 (bicarbonate ion) in the plasma |
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Definition
| Explain the 3 ways that CO2 is transported in the blood. |
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Term
| CO2 reacts with H2O to make H2CO3, which then dissociates to H+ and HCO3 |
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Definition
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Term
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Definition
| When hemoglobin binds to CO2, it forms ________? |
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Term
| It serves as a blood buffer to help stabilize the blood's pH. |
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Definition
| What is the function of HCO3 in the blood? |
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