Is the power of dose of every tablet same or does it depend on the type of medicine and ingredients used in different tablets?

In a study of five brands of pain relieving tablets P, Q, R, S and T, the brands were tested and ranked against each other as more or less effective per dose. The following results were obtained.I. P was more effective than Q.II. The effectiveness of R was less than that of S.III. T was the least effective brand tested.IV. Q and R were equally effective.V. The effectiveness of S was greater than that of Q.If the above statements are true, which of the following must also be true ?A P and S were equally effective B P was the most effective C S was the most effective D R was less effective than P

Dosage and Concentration:

The correlation between the drug blood concentration and drugeffects is much better than the correlation between the drug dose anddrug effect

Which of the following statements best describes polypharmacy?The use of multiple medicationsFailure to take medications as prescribedIntentionally taking an extra dose of medicationPrescriptions at multiple pharmacies

If two drugs with the same effect, taken together, produce an effect that is equal in magnitude to the sum of the effects of the drugs given individually, it is called:a.None of the aboveb.Potentiationc.Additive effectd.AntagonismClear my choice