
Explain the meanings of the terms lethal dose (), toxic dose () and effective dose ().

Important Questions on Medicinal Chemistry





Drugs can be prescribed for treating various diseases and assisting in healing the human body. However, any drug presents potential risks. The properties of three drugs are summarised in the below table:
Drug | Physiological effect | Side-effects | Therapeutic window |
A | High | Severe | Medium |
B | Moderate | Moderate | Narrow |
C | Low | Minimal | Wide |
Suggest which drug (A, B, or C) could be considered safe enough to be taken by patients without supervision?

Drugs can be prescribed for treating various diseases and assisting in healing the human body. However, any drug presents potential risks. The properties of three drugs are summarised in the below table:
Drug | Physiological effect | Side-effects | Therapeutic window |
A | High | Severe | Medium |
B | Moderate | Moderate | Narrow |
C | Low | Minimal | Wide |
Suggest which drug (A, B, or C) could be administered only by qualified staff?

Drugs can be prescribed for treating various diseases and assisting in healing the human body. However, any drug presents potential risks. The properties of three drugs are summarised in the below table:
Drug | Physiological effect | Side-effects | Therapeutic window |
A | High | Severe | Medium |
B | Moderate | Moderate | Narrow |
C | Low | Minimal | Wide |
Suggest which drug (A, B, or C) could be used only in a medical emergency?
