Please Read the Clinical Scenario, and Then Answer the Question

Multiple Choice

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
A patient with severe anorexia nervosa is admitted to the hospital for medical treatment. The patient presents with severe malnutrition and evidence of organ dysfunction. Labs are drawn and maintenance IV fluids are initiated.
-You are knowledgeable about cellular metabolism.Which of the following processes is common to fermentation,anaerobic respiration,and aerobic respiration?

A) glycolysis
B) the Krebs cycle
C) the electron transport system
D) glycosylation