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. Step 1: A receptionist registers each patient as they arrive in a check-in process that occupies the worker for 3 minutes. Step 2:
. Step 1: A receptionist registers each patient as they arrive in a check-in process that occupies the worker for 3 minutes. Step 2: Patients put on a hospital gown in a changing room. There are 3 changing rooms and this requires 5 minutes of the patient's time. Step 3: Patients wait until "nurse 1" escorts them to a station to take vital signs and ask questions about medical history. This takes 6 minutes. Step 4: Patients then wait until "nurse 2" inserts an intravenous (IV) needle in = the arm and tapes a valve apparatus to the patient's gown. This requires 2 minutes. Nurse 2 then wheels the patient to the MRI room, requiring 2 more minute. (Total 4 minutes with nurse 2.) Step 5: "nurse 3" conducts the actual MRI, which includes hooking up the IV tubes, signaling to the MRI controller and calming the patient throughout the duration of the MRI scan. The total time for this stage is 10 minutes. Note that whenever nurse 3 is busy, so is the MRI machine, so henceforth I refer to the resource as "nurse 3/MRI machine" (i.e., you can safely consider nurse 3 and the MRI machine as the same resource for this analysis). Step 6: The patient returns to the changing rooms to change back into street clothing. This also takes 4 minutes. After finishing in the changing rooms, the patient departs. The MRI lab is open 12 consecutive hours each day (8 AM - 8 PM), 7 days a week. Assume all above times are deterministic (i.e., times do not fluctuate from patient to patient). Also assume that patients arrive at the exact rate of the bottleneck. Question 1 (7 parts * 3 points each = 21 points). A. Draw a process flow diagram showing each activity in the process. (Drawing neatly by hand is OK. Drawing in Process Model software is OK too!) B. Compute the flow rate, that is, the individual capacity of each resource pool in the process - the receptionist, the 3 changing rooms, nurse 1, nurse 2, and nurse 3/MRI machine - measured in patients per hour. (For the changing room, report a single number for the entire resource pool, not each individual room.) C. Which resource is the process bottleneck? Compute the overall process capacity in measured in patients per hour. D. What is the best-case flow time for one patient, assuming there are neither delays nor backlogs in the process? Report your answer in minutes. (Recall
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