A 38-year-old man's workplace is within the area of effect of ionizing radiation. During regular medical check-up he expresses no complaints. Blood test: erythrocytes - 4,5 × 1012/l, Hb- 80 g/l, leukocytes - 2,8 × 109/l, platelets - 30 × 109/l. Can this person continue to work with sources of ionizing radiation?

Answer options

1. Work with radioactive substances is allowed only for limited periods of time
2. Only work with low-level radioactive substances is allowed
3. Work with radioactive substances can be allowed after detailed medical examination
4. Work with radioactive substances is allowed
5. Work with radioactive substances and other sources of radiation is contraindicated