. Tissues and organs may have millions of receptors of a given type. A ligand with a extremely high affinity for a given receptor

1. Tissues and organs may have millions of receptors of a given type. A ligand with a extremely high affinity for a given receptor…

 

A.) occupies no receptor

 

 

B.) occupies all the receptor sites

 

 

C.) activates all the receptor sites

 

 

D.)activates no receptor

 

2. Among other factors, drug’s toxicity depends on

 

A.) presence of receptors on the target organ

 

 

B.) whether the drug is metabolized in the liver

 

 

C.) whether the drug is also an endogenous molecule

 

 

D.) residence time

3. Ideally, a very selective drug will bind to

 

A.) multiple receptors

 

 

B.) at least two different receptors

 

 

C.) no receptor at all

 

 

D.) only one receptor