Answer to Question 1
2
Rationale: Drugs block or decrease the pain stimuli by binding with the opioid receptor sites. As a result, the brain's perception of pain is reduced. Many of these drugs will sedate the client, but if the pain stimulus is not blocked, the client will not be able to sleep. The effects of the medications are not located at the site of injury but rather in the brain.
Answer to Question 2
1,2,3,4
Rationale: