McqMate
| Q. |
Eposure to mixtures of chemicals are greater than expected on the basis of effects of expo-sure to each chemical individually. This is known as – |
| A. | Additives |
| B. | Antagonism |
| C. | Synergism |
| D. | Independent |
| Answer» C. Synergism | |
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Explanation: When the toxic effect of the mixture is greater than that expected for the sum of individual constituent doses, which is that effects of combined doses are more-than- additive, the interactions are said to be synergistic. Conversely, when the toxic effect of the mixture is less than that expected under the dose additivity assumption, the interactions are said to be antagonistic. |
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