1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the purpose of the nasal conchae? | Help increase the surface area for attachment of the mucous membrane
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| What is the purpose of the mucous membrane? | Filters, warms, and moistens incoming air, traps foreign particles
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| Where is the trachea located? | Extending from the larynx to the bronchi in front of the esophagus
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| What is occurring during inspiration? | Atmospheric pressure forces air into the lungs.
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| How do gases diffuse? | From regions of high partial pressure toward regions of lower partial pressure.
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| How is most carbon dioxide is transported? | In the form of bicarbonate ions.
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| What muscles act to change the size of the thorax? | Intercostals
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| What is the trachea maintained in an open position by? | Rings of hyaline cartilage
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| Which substance greatly reduces the attractive forces between the water molecules lining the alveoli so that they will not collapse? | Surfactant
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| How many lobes does each lung have? | The right lung has 3 lobes, the left lung has 2 lobes
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| Where are the apex and base of each lung? | Apex- near clavicle Base- rests on diaphragm
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| What gas is expelled by the lungs? | Carbon dioxide
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| What is the useful gas taken from the air? | Oxygen
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| What is the molecule HbO2? | Oxyhemoglobin- oxygen bound to hemoglobin as it travels in the blood
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| What is oxygen used for? | It is used in body tissues for cellular respiration that produces CO2 as a waste product.
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| What gas moves from the alveoli and into the capillaries? | Oxygen
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| What gas moves from the capillaries and into the alveoli? | Carbon dioxide
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| What are gas exchanges made by? | Diffusion
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| What is the anterior palate is made up of? | The maxillary and palatine bones
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| What are the functions of the paranasal sinuses? | Lighten the skull, act as resonance chambers for speech, produce mucus that drains into the nose
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| What is the rate of respiration is controlled by? | Set rates in the pons and medulla , oxygen sensor in the aorta and carotid artery, carbon dioxide levels in the blood
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| Where is the actual site of gas exchanges in the lungs? | Alveoli
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| What type of tissue are the walls of the alveoli composed of? | Simple squamous epithelium
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| In healthy lungs, this is always lower than atmospheric pressure, otherwise lungs would collapse. | Intrapleural pressure
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| As the diaphragm contracts, how does it move? What does this do to volume and pressure? | Moves downward, increasing the volume of the thorax and decreasing the pressure
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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