Multiple Choice
Toxicity is rated according to the amount of a substance that is necessary to kill 50% of humans,given in milligrams per kilogram of body weight.A rating of supertoxic has an LD50 of ____.
A) less than 5 mg/kg
B) 5-50 mg/kg
C) 50-500 mg/kg
D) 500-5000 mg/kg
E) 5000-15000 mg/kg
Correct Answer:
Verified
Correct Answer:
Verified
Q53: A(n)_ is an organism that can cause
Q54: In the "lock-and-key" relationship of the endocrine
Q55: In 2003,the U.S.Environmental Protection Agency (EPA)proposed that
Q56: What is the study of the harmful
Q57: Which of the following is among the
Q59: Which one of the following is one
Q60: A large-scale outbreak of an infectious disease
Q61: In terms of the number of premature
Q62: Which statement is true?<br>A) All chemicals are
Q63: Only 50% of the registered synthetic chemicals