The medicare prospective payment system for reimbursing hospitals utilizes APCs.
APC stands for Ambulatory Payment Classifications that includes the outpatient payment system which is applicable only to the hospitals. There are different reimbursement methods for hospitals outpatients, inpatients, physicians, etc.
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Answer:
I think that the answer would be D
The most common organisms with exoskeletons are arthropods which include insects (bees, ants), arachnids (spiders) and crustaceans (lobsters and crabs).