A Researcher Is Culturing Cells in an Incubator Where the Gas

A researcher is culturing cells in an incubator where the gas levels are carefully regulated. If the researcher observes that the pO₂ in the incubator is 200 mmHg, what can the researcher deduce about the pO₂ of her cells?

A) The pO₂ of her cells is greater than 200 mmHg.
B) The pO₂ of her cells is less than or equal to 200 mmHg.
C) The pO₂ of her cells must be greater than 400 mmHg.
D) No determination can be made regarding the pO₂ in these cells.
E) None of the answer options is correct.