Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

Principles of Pharmacology and Autonomic Pharmacology: Lecture 2 Dr. Robert Rodgers

Drug-receptor complex

What does DR(e) respresent?

Drug molecules

What does D respresent?

Total Receptors

What does R(t) respresent?


True of false: The number of drug-receptor complexes is small compared to the total number of free drug molecules.


What symbol represents the dissociation constant of the drug-receptor complexes? It is also known as the affinity constant.


True of false: The rate of association for drug-receptor complexes is greater than the rate of dissociation at equilibrium.


True of false: K(d) represents the concentration of drug necessary for that drug to bind to 50% of its available receptors

Spare receptors

A system is said to contain _____________ if a full response is reached without binding all of the receptors.


What is one example of a medication that is a partial agonist? (It's a beta-blocker)

(D x R(t)) / (D + K(d))

Fill in the equation: DR(e) = ( __ x __ ) / ( __ + __ )

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording