A 75-Year-Old Female Has Been Critically Ill with Multiple Organ

Multiple Choice

A 75-year-old female has been critically ill with multiple organ dysfunction syndrome (MODS) for longer than a week and has developed a severe oxygen supply and demand imbalance.The statement that best describes this imbalance is which of the following?

A) Increased oxygen delivery to cells fails to meet decreased oxygen demands.
B) The amount of oxygen consumed by cells depends only on the needs of cells, because there is oxygen in reserve.
C) The situation results in supply-independent consumption.
D) The reserve has been exhausted, and the amount of oxygen consumed depends on the amount the circulation is able to deliver.