physiology

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10 Terms

1
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Highest pressure in veins is in the leg

true

2
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Severe hyperventilation (low CO2) can lead to loss of consciousness

true

3
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Collateral flow can damage the myocardium

false

4
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Isovolumic relaxation time (IVRT) - is the interval from aortic valve closure to mitral valve opening

true

5
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Atrial contraction corresponds 70-80% of total ventricular filling

false

6
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Residual volume is the volume of air remaining in the lungs after the most forceful expiration

true

7
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Small diameter airways are the main sites of airways resistance

false

8
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Lungs are fully emptied and filled with each breath

false

9
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PO2 in the pulmonary vein and the left atrium is equal

false

10
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Central chemoreceptors sense the oxygen tension of the arterial blood

false