Q:

What does it mean when the concentration of dissolved oxygen in blood is 100 mmHg?

belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:13.2| Question number:5

waelhammad

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2022-10-19

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What does it mean when the concentration of dissolved oxygen in blood is 100 mmHg?

the oxygen dissolved in blood exerts a pressure of 100 mmHg over and above the blood pressure generated by the heart.
100 mmHg of the blood pressure, is due to the dissolved oxygen within it.
the blood had been exposed to air in the lungs that contained oxygen at a partial pressure of 100 mmHg.
the dissolved oxygen exerts an osmotic pressure of 100 mmHg.

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waelhammad

2022-10-19

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C: The concentration of a gas dissolved in water is expressed in terms of the partial pressure of that gas in the mixture of gases that were in contact with the water. Gas will continue to dissolve until the water is saturated. At this point we say that the concentration of dissolved gas is the same as the partial pressure of that gas in the atmosphere in contact with the water. The same units, mmHg are used.

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