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What do you mean by dissolved oxygen tension?

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in Bioprocess Engineering by (80.7k points)
What do you mean by dissolved oxygen tension?

(a) Force

(b) Density

(c) Partial pressure

(d) Volume

The question was posed to me during an internship interview.

My question is from Monitoring and Control of Bioreactors topic in section Reactor Engineering of Bioprocess Engineering

1 Answer

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Best answer
The correct option is (c) Partial pressure

Easiest explanation: The partial pressure of oxygen molecules dissolved in a liquid, such as blood plasma. Technically the oxygen tension (or partial pressure of oxygen) is defined as the pressure which oxygen in a mixture of gases would exert if it were on its own. Weirdly, partial pressures/gas tensions are also used to describe dissolved gases, in the blood for example.

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