Blood test of an athlete shows the following: erythrocytes - 5,5 × 1012/l, hemoglobin - 180 g/l, leukocytes - 7 × 109/l, neutrophils - 64%, basophils - 0,5%, eosinophils - 0,5%, monocytes - 8%, lymphocytes - 27%. These values primarily indicate the stimulation of:

Answer options

1. Erythropoiesis
2. Lymphopoiesis
3. Immunogenesis
4. Leukopoiesis
5. Granulocytopoiesis

Explanation

ERYTHROPOIESIS is a process that produces red blood cells (erythrocytes). It is stimulated by decreased O2 in circulation, which is detected by the kidneys, which then secrete the hormone erythropoietin.