whereas the aidsepidemic emerged and was its focus during the1990s.c. a decrease in ambulatoryservices in the1980s prompted an increase in public health nursesin the 1990s.d. the demand for advanced practice nursesincreased in the 1980s and the 1990s as aresult of the economy and concern about the health ofthe nation.ans: dthe numbers of advanced nurse practitioners increased as evidence of their cost effectiveness as providers ofprimaryand preventive health care became established.dif: comprehension ref: pp. 16 173. which statement accurately describes the historical perspective of nursing practice