Before his hospitalization, a client needed increasingly larger doses of barbiturates to achieve the same euphoric effect he initially realized from their use. From this information, the nurse...

Before his hospitalization, a client needed increasingly larger doses of barbiturates to achieve the same euphoric effect he initially realized from their use. From this information, the nurse develops a plan of care that takes into account that the client is likely suffering from which of the following?

1. Tolerance.

2. Addiction.

3. Abuse.

4. Dependence.