Preferred provider organizations (PPOs):
A. charge a fixed amount per member, hire many of their own physicians, and provide health
services only to members.
B. require that their members give up the right to file medical malpractice suits.
C. are illegal in several states.
D. require physicians and hospitals to provide discounted prices for their services as a
condition for being included in the insurance plan.
Answer: D
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Virtual currency unit 1 (VCU1) is poses a __________ risk to nations in which is it used because ___________________________
a. High; it can be used directly by end users to buy goods and services. b. High, it weakens central banks' abilities to control their monetary bases. c. Low; it can be earned and spent only in virtual worlds. d. Low; purchases and sales of VCU1 change only modestly a nation's monetary base. e. High; it is capable of causing dramatic changes in a nation's M2 money multiplier.
In an oligopolistic market, each firm
A. has a constant marginal cost. B. must consider the reaction of rival firms when making a pricing or output decision. C. faces a perfectly elastic demand function. D. produces at minimum average cost in the long run.