Why isn't the LD50 of a new chemical tested on humans?
A. It cannot be calculated.
B. The LD50 is only for pigeons.
C. Tests are not available.
D. It is unethical to determine the LD50 on humans.
Answer: D
Why isn't the LD50 of a new chemical tested on humans?
A. It cannot be calculated.
B. The LD50 is only for pigeons.
C. Tests are not available.
D. It is unethical to determine the LD50 on humans.
Answer: D