If a drug exceeds its therapeutic index, the drug will:
a. Cause the desired response
b. Be toxic to the patient
c. Not have any effect on the patient
d. Be present in the minimal level and may not cause the desired response
b
Rationale: a. For a drug to cause a desired response, it must remain within the therapeutic index.
b. The difference between the minimum effective concentration and the toxic level is the therapeutic index.
c. If a drug exceeds the therapeutic index, it will be toxic to the patient.
d. The minimal dose required is known as the minimum effective concentration.
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