Answer: Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity. The bibliographic citation for this definition is: Preamble to the Constitution of WHO as adopted by the International Health Conference, New York, 19 June - 22 July 1946; signed on 22 July 1946 by the representatives of 61 States (Official Records of WHO, no. 2, p. 100) and entered into force on 7 April 1948. The definition has not been amended since 1948.
Explanation:
5. meth, heroin, and cocaine
Answer:
The correct answer is A) Polycythemia vera
Explanation:
Erythrocytosis is referred to as the extra and increased production of RBC and it primarily occurs due to the result of a disease called Polycythemia Vera.
Polycythemia vera is a disease or slowly growing blood cancer in which bone marrow makes excess of hemopoietic cells(RBC, WBC, platelets). These excess cells results in thickening of blood and slowing the flow of blood which can cause clotting of blood that can lead to heart stroke or heart attack.
Therefore polycythemia vera is the disease that shows the primary characteristics of erythrocytosis and some times these two terms are used interchangeably.