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1. Question
The nurse should be particularly alert for which one of the following problems in a client with barbiturate overdose?
Correct
Answer C is correct.
Rationale: Respiratory depression is a sign of overdose. Other symptoms of overdose include seizures, shock, coma, and cardiovascular collapse. Answers A, B, and D lack any symptoms of overdose, so they are incorrect.
Incorrect
Answer C is correct.
Rationale: Respiratory depression is a sign of overdose. Other symptoms of overdose include seizures, shock, coma, and cardiovascular collapse. Answers A, B, and D lack any symptoms of overdose, so they are incorrect.
Barbiturates
Formerly one of the most widely used anticonvulsants, the longacting barbiturate phenobarbital is now used less frequently because of its sedative effects. Phenobarbital is sometimes used for long-term treatment of epilepsy and is prescribed selectively for treatment of status epilepticus if hydantoins aren’t effective.
Adverse reactions
Adverse reactions to phenobarbital and mephobarbital include:
Drowsiness
Lethargy
Dizziness
Nystagmus, confusion, and ataxia (with large doses)
Laryngospasm, respiratory depression, and hypotension (when administered IV).
