Essential Pharmacology Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Receptor enter cells when they are?

A

lipid soluble

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the 4 types of cell-membrane receptors?

A

Iontropic
receptor that acts as an enzyme
receptor that changes activity of another enzyme
G-protein receptor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Receptors can be..

A

Intracellular or membranous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does efficacy mean?

A

How good the drug is at activating the receptor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the difference between affinity and efficacy?

A

Affinity is does the drug bind to the receptor

Efficacy is how well it binds to the receptor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is an agonist?

A

A drug/ substance that activates a receptor

Has high efficacy and high affinity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is an antagonist?

A

A drug/ substance that blocks the normal action of a receptor.
Has high affinity and low efficacy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is a partial agonist?

A

Has high affinity and partial efficacy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Why is acetyl choline special?

A

agonist that activates all cholinergic receptors.

Master key.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does noradrenaline do?

A

agonist that activates all adrenergic receptors.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Why are antagonists also good?

A

Can block ‘bad’ effects.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly