Question

Abnormal increase in the number of Red Blood Cells

Answer 1

Polycythemia vera is a disease of unknown origin that results in anabnormal increase in red blood cells. Polycythemia vera is referred to as a "primary polycythemia" because the overproduction of red blood cells does not result from hypoxia.

Answer 2

Polycythemia vera is a disease of unknown origin that results in an abnormal increase in red blood cells. Polycythemia vera is referred to as a "primary polycythemia" because the overproduction of red blood cells does not result from hypoxia.

A high RBC count could be due to a number of health conditions or health-related factors including:smoking.congenital heart disease.dehydration – for example, from severe diarrhoea.low blood oxygen levels (hypoxia)pulmonary fibrosis – a lung condition that causes scarring of the lungs.