Some answers

Here are the answers to the Primary LO of the Day post from March 8

Excuse the hand drawn graphs – my computer graphics skills are limited ( read almost non existent)

1.answer 1

2. Note the potency of the full agonist is reduced but the efficacy remains unchanged 

3.Note the ED50 for both drugs is identical, but the efficacy of the partial agonist is lower

4.Note the efficacy of the partial agonist is 0.5 but the ED50 is closer to the origin reflecting its higher potency compared with the full agonist

5. Graph three could represent the agonist in the presence of an irreversible antagonist, where the efficacy is lowered but the potency of the agonist is unchanged

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