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

question 55

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. What statement best describes this imbalance?

• 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 oxygen reserve has been exhausted, leaving oxygen consumption dependent on what amount the circulation is able to deliver.