30938354
Description
Quiz by Lauren Parker, updated more than 1 year ago
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Created by Lauren Parker
almost 3 years ago
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Question 1
Question
Inhalation:
1. Diaphragm in a [blank_start]relaxed[blank_end] state is domed. When it contracts, it [blank_start]shortens[blank_end] and [blank_start]flattens[blank_end].
2. [blank_start]External[blank_end] intercostal muscles contract and pull on ribs - lifted up and out.
Answer
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relaxed
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shortens
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flattens
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External
Question 2
Question
After inhalation, the thoracic cavity will decrease in volume
Answer
- True
- False
Question 3
Question
As the the volume of the thoracic cavity increases, air pressure decreases.
Answer
- True
- False
Question 4
Question
If the thoracic cavity has a lower air pressure then...
Answer
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air moves into the lungs down the pressure gradient
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air moves out of the lungs down the pressure gradient
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air moves into the lungs up the pressure gradient
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air moves out of the lungs up the pressure gradient
Question 5
Question
Exhalation:
1. Diaphragm [blank_start]relaxes[blank_end] and rises.
2. The [blank_start]external[blank_end] intercostals relax and internal intercostals [blank_start]contract[blank_end].
3. The volume of the thoracic cavity [blank_start]decreases[blank_end].
Answer
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relaxes
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external
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contract
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decreases
Question 6
Question
As the volume of the thoracic cavity decreases, air pressure decreases.
Answer
- True
- False
Question 7
Question
As the air pressure in the thoracic cavity increases, air is forced out down the pressure gradient.
Answer
- True
- False
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