Pharmacodynamics Flashcards
1
Q
How do you remember the efficacy and potency ?
A
Potency = how fast
Efficacy = how high
2
Q
Example of Zero order drugs ?
(PEA)
A
Phentoyin
Ethanol
ASPRIN
3
Q
What is the formula of Therapeutic index ?
A
Toxic dose/Effective Dose
4
Q
Examples of small TI drugs ?
A
Theophylline
Digoxin
Warfarin
Lithium
5
Q
What are spare receptors ?
A
Receptors that produce 50% of max effect even before binding yo the effector
6
Q
What does tavhyphylaxix mean
A
Decreased response to drug
7
Q
What are the 3 cumulative effects of drugs ?
A
Synergism 2+2=5
Additive 2+2= 4
Potentiation 2+0 =2
8
Q
How many receptors do physiological Pharmacological and chemical antagonist have ?
A
Physio -2
Pharm -1
Chemi -0
