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2.4.2 Receptors as Drug targets

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Drugs that mimic the natural messengers and activate receptors are known as agonists.

a)

Agonist

b)

Antagonist

c)

Partial Agonist

d)

Partial antagonist

2.

Antagonists means

a)

Drugs that mimic the receptors

b)

Drugs that block receptors

c)

Drugs that open receptors

d)

Drugs that bind receptors

3.

Agonists may have a ----------structure to the natural ligand.

a)

Different

b)

Unique

c)

Similar

d)

none of the above

4.

---------- induce a weaker effect than a full agonist

a)

Partial agonist

b)

Antagonist

c)

Partial antagonist

d)

Agonist and Antagonist

5.

---------bind differently from the natural ligand such

that the receptor is not activated.

a)

Antagonists

b)

Agonists

c)

Partial Antagonists

d)

Partial agonist

6.

-------- act as antagonists, but also eliminate any

resting activity associated with a receptor

a)

Inverse agonists

b)

Inverse antagonists

c)

Partial agonist

d)

Agonist

7.

Desensitization may occur when an ------ is bound to its

receptor for a long period of time.

a)

Agonist

b)

Antagonist

c)

Partial agonist

d)

Partial antagonist

8.

Sensitization can occur when-------- is bound to a

receptor for a long period of time.

a)

an antagonist

b)

agonist

c)

Partial antagonist

d)

Partial agonist

9.

---------is a situation where increased doses of a drug are

required over time to achieve the same effect

a)

Efficacy

b)

Dependence

c)

Tolerance

d)

Affinity

10.

---------is related to the body's ability to adapt to the

presence of a drug.

a)

Efficacy

b)

Affinity

c)

Dependence

d)

Tolerance