Pharmacodynamics Flashcards

1
Q

How do you remember the efficacy and potency ?

A

Potency = how fast
Efficacy = how high

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2
Q

Example of Zero order drugs ?
(PEA)

A

Phentoyin
Ethanol
ASPRIN

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3
Q

What is the formula of Therapeutic index ?

A

Toxic dose/Effective Dose

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4
Q

Examples of small TI drugs ?

A

Theophylline
Digoxin
Warfarin
Lithium

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5
Q

What are spare receptors ?

A

Receptors that produce 50% of max effect even before binding yo the effector

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6
Q

What does tavhyphylaxix mean

A

Decreased response to drug

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7
Q

What are the 3 cumulative effects of drugs ?

A

Synergism 2+2=5
Additive 2+2= 4
Potentiation 2+0 =2

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8
Q

How many receptors do physiological Pharmacological and chemical antagonist have ?

A

Physio -2
Pharm -1
Chemi -0

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