Pharmacodynamics

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Pharmacodynamics can be defined as:
How the drug exerts its effect on the body
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An antagonist for a receptor:
Blocks the receptor and inhibits the response of the endogenous ligand
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A competitive enzyme inhibitor:
Blocks the active site of the enzyme
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A selective serotonin reuptake inhibitor exerts its effects by:
Blocking the action of the serotonin transporter and inhibiting reuptake of serotonin in the pre-synaptic neurone.
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Local anaesthetic drugs like lidocaine are ion channel blockers. They prevent the sensation of pain by blocking propagation of nerve impulses. This type of drug acts mainly by:
Inhibiting sodium influx through sodium channels in the nerve cell membrane.
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Other cards in this set

Card 2

Front

An antagonist for a receptor:

Back

Blocks the receptor and inhibits the response of the endogenous ligand

Card 3

Front

A competitive enzyme inhibitor:

Back

Preview of the front of card 3

Card 4

Front

A selective serotonin reuptake inhibitor exerts its effects by:

Back

Preview of the front of card 4

Card 5

Front

Local anaesthetic drugs like lidocaine are ion channel blockers. They prevent the sensation of pain by blocking propagation of nerve impulses. This type of drug acts mainly by:

Back

Preview of the front of card 5

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