Pharmacodynamics Flashcards Preview

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Flashcards in Pharmacodynamics Deck (9)
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1
Q

What is pharmacodynamics?

A

Pharmacodynamics is the effects drugs have on the body

2
Q

What is maximal efficacy?

A

The largest effect a dose can produce

3
Q

What is relative potency?

A

The amount of drug needed to elicit an effect

4
Q

What is affinity?

A

The strength of attraction between the drug and its receptor

5
Q

What is intrinsic activity?

A

The ability of a drug to activate the receptor when it is bound

6
Q

What is an agonist?

A

A drug or molecule that mimic’s the body’s regulatory molecules or promotes activation of the receptor

7
Q

What is an antagonist?

A

A drug or molecule that prevents activation of a receptor, normally through the blockade of the receptor

8
Q

What is the difference between competitive and noncompetitive antagonists?

A

Competitive antagonists reversibly bind with the receptors where as non-competitive antagonists irreversibly bind with the receptors

9
Q

What is a partial agonists?

A

A drug or molecule that can lower the effectiveness of an agonist drug or work as an antagonist with a drug. Drug dependent on it’s function