The health care system developed in four phases from 1800 to ...

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The health care system developed in four phases from 1800 to today. The first phase was characterized by:
 
  1. The rise in technology
  2. Epidemics of infectious disease such as typhoid, influenza, and malaria
  3. Physicians and nurses who attained their skills in scientifically-based programs
  4. An expansion of hospital clinics and long-term care facilities

Question 2

An example of a vector is:
 
  1. Contaminated water
  2. A tick
  3. A dirty needle
  4. An infected person

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Answer to Question 1

2
Phase one was concerned with epidemics and infectious disease control. Technology is characte-ristic of phase four, and physicians and nurses attained skills in scientifically based programs in phase two. Phase three included the expansion of hospital clinics and long-term care facilities.

Answer to Question 2

2
Vectors transmit the infectious agent by biting or depositing the infective material near the host.

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Gracias!

[Jossy]

TYSM