In pharmacology, a fundamental problem is how the concentration of a drug falls in the bloodstream of a patient. A drug works effectively only if its concentration in human body is more than a minimum specified level. To keep the concentration, the dose should be repeated and for that, we have to determine the time interval in which dosage should be repeated. We also need to figure out minimum dosage to be given in each cycle.

While applying calculus to this problem, we assume that -

1. The rate of excretion of drugs through human body is negligible compared to other factors responsible for reduction in concentration of drugs.

2. There is no time lag between injection of drug and its absorption by the body.

To know more about how to approach and solve the problem, have a look at the following PDF:

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Name: Meet Sinojia

ID: 201601126

College: DA-IICT, Gandhinagar