Answer to Question 1
1, 2
Explanation: 1. Infectious diseases were pandemic, and treatments were being discovered.
2. The main health strategy at this time was focused on maternal and child health because of the large number of new immigrants.
3. Medicare was not implemented until the 1960s.
4. HIV/AIDS was not a disease during the early part of the twentieth century.
5. External cardiac pacing was not discovered until the 1960s.
Answer to Question 2
1, 2, 3
Explanation: 1. Respiratory intubation and mechanical ventilation cost the healthcare industry 15,729 million in 2006.
2. PTCA cost the health care industry 13,327 million in 2006.
3. Cardiac pacemakers, cardioverters, and defibrillators cost the healthcare industry 8,693 million in 2006.
4. Spinal fusion cost the healthcare industry 7,670 million in 2006.
5. Knee arthroplasty cost the healthcare industry 7,920 million in 2006.