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Quiz

Total questions: 5

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following cell constituents most likely function as drug receptors?

a)

G-proteins

b)

Ion channel proteins

c)

Cyclic AMP

d)

Membrane lipids

2.

Which of the following terms best describes a specific region of the receptor molecule where the drug binds?

a)

Activation region

b)

Recognition site

c)

Effector

d)

G-protein

3.

Drugs can bind to receptors via different types of chemical bonds. Which of the following is the least common drug-receptor bond?

a)

Ionic

b)

Hydrogen

c)

Van der Waals

d)

Covalent

4.

Which of the following terms best defines a drug with intrinsic activity higher than 0% and lower than 100%?

a)

Full agonist

b)

Partial agonist

c)

Pharmacological antagonist

d)

Chemical antagonist

5.

Two new drugs, A and B, are tested in an in vitro system. The drugs turn out to have the same slope of the log dose-response curves and the same maximal efficacy. Which of the following pairs of statements best describes drugs A and B?

a)

A full agonist , B full agonist

b)

A full agonist , B partial agonist

c)

A full agonist , B competitive antagonist

d)

A partial agonist, B noncompetitive antagonis