MCQOPTIONS
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| 1. |
The cut off point for blood lead level above which clinical symptoms appear is |
| A. | 20 g/100 ml |
| B. | 50 g/100 ml |
| C. | 70 g/100 ml |
| D. | 100 g/100 ml |
| Answer» D. 100 g/100 ml | |