Final answer:
Neil Beidleman's role during the 1996 Mount Everest disaster, chronicled in 'Into Thin Air,' was primarily assisting survivors to safety, and he led the final summit attempt by the Mountain Madness team.
Step-by-step explanation:
Neil Beidleman was a guide during the 1996 Mount Everest disaster, which is likely the context for this question about the Mountain Madness encampment. The options given relate to possible roles he could have assumed during the aftermath of the ill-fated expedition. However, in Jon Krakauer's account of the disaster 'Into Thin Air', which chronicles the events, Neil Beidleman does not preside over the kitchen and food supply, organize a memorial service, or provide medical care. Instead, after the summit attempt, his role was primarily in assisting survivors to descend to safety during the blizzard. The best choice based on available information would be that he led the final summit attempt by the Mountain Madness team, which is detailed in Krakauer's book, though it is important to note that the events were chaotic and the roles were fluid in the crisis situation.