The physician has ordered phenobarbital (Luminal) 100 mg three times a day for a patient with seizures. To help the nurse develop an appropriate care plan for this patient, which best describes the action of this drug in the body?

a. It will increase urination for 2 hours after ingestion.
b. It will cause severe thirst and dryness of the mucous membranes.
c. It has a long duration and a sedative effect on the brain.
d. It will lower the seizure threshold.


ANS: C
Barbiturates have a long duration of action and are used for their sedative effect on the brain. They also raise the seizure threshold, preventing the level of activity that produces the seizure.

Nursing

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What will be an ideal response?

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