Pharmacodynamics I

Question 1

T/F: Concentratration at effector site is determined by both pharmacokinetics and pharmacodynamics.

Answer 1

True

Question 2

What type of bond would cause an irreversible change to a drug?

A. Hydrogen bond
B. Ionic bond
C. Covalent bond
D. Hydrophobic interactions

Answer 2

C. Covalent

Question 3

T/F: Most drug-receptor interactions involve strong often irreversible interactions

Answer 3

False, most drug-receptor interactions involve, weak and reversible interactions. This is vital to avoiding drug toxicity

Question 4

Which of the following would terminate the effect of a covalent drug binding to a receptor?

A. Drug dissociation from receptor
B. Taking another drug that has the opposite effect
C. Time
D. Destruction of D-R complex

Answer 4

D. Destruction of D-R complex