Factors Affecting Drug Interactions

Factors Affecting Drug Interactions ( 10 Questions)

A patient has been prescribed two drugs with one being an agonist and another being an inverse agonist at the same receptor. What will be their combined effect? 



Correct Answer: B

An inverse agonist will decrease an agonist’s action by competing for binding at the same receptor and producing an opposite response.

a. Increasing agonist’s action will not occur as an inverse agonist will decrease an agonist’s action by competing for binding at the same receptor and producing an opposite response. 

b. Decreasing agonist’s action will occur due to competition for binding at the same receptor by an inverse agonist and producing an opposite response. 

c. No change will not occur as an inverse agonist will decrease an agonist’s action by competing for binding at the same receptor and producing an opposite response. 

d. Increasing the inverse agonist’s action will not occur as an inverse agonist will decrease an agonist’s action by competing for binding at the same receptor and producing an opposite response.




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