Many advances have been made in the biomedical sciences over the last century. Which of the following factors is the result of those advances?
  1. Eradication of smallpox
  2. Increased life expectancy
  3. Influenza vaccination
  4. Decreased cancer death rates
  5. All of the above
Explanation
Answer: E, Advances in biomedical sciences have resulted in all of the factors listed. Biomedical science encompasses any research conducted to aid and support the body of knowledge in the field of medicine.

Key Takeaway: Biomedical advances have been responsible for numerous improvements in human life quality and expectancy. The average life expectancy has doubled over the last century. Cancer death rates have steadily declines for nearly two decades. The smallpox vaccine was the first form of vaccination shown to be globally effective, and it resulted in the eradication of this disease in 1979. Polio was one of the most deadly diseases of the 20th century, but vaccination efforts have decreased polio-related deaths by 99%, with global eradication expected soon. Vaccination has also dramatically decreased the incidence and mortality of influenza.
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