A 67-Year-Old Patient with Severe Sepsis Undergoes a Full Infectious

Multiple Choice

A 67-year-old patient with severe sepsis undergoes a full infectious workup upon admittance to the intensive care unit. Cultures of urine, blood, sputum, and cerebral spinal fluid are obtained. The cultures do not yield a specific organism, so further analysis of the sample is done to determine the characteristics of the microorganism. The organism's metabolic processes are analyzed in the lab.
-The organism sample is further tested and found to grow in the absence of oxygen.Which of three main pathways of catabolism may this organism utilize to produce energy under these circumstances?

A) Aerobic respiration and fermentation
B) Anaerobic respiration and aerobic respiration
C) Fermentation and anaerobic respiration
D) Aerobic respiration,anaerobic respiration,and fermentation