The nurse is administering medications at 1600. Which medication should the nurse administer first? 1. Humalog insulin for a client with a blood glucose level of 200 mg/dL. 2. Meperidine (Demerol), a...

The nurse is administering medications at 1600. Which medication should the nurse administer first?

1. Humalog insulin for a client with a blood glucose level of 200 mg/dL.

2. Meperidine (Demerol), a narcotic analgesic, for a client with a headache rated an 8.

3. Divalproex (Depakote ER) for a client diagnosed with migraine headaches.

4. Metoclopramide (Reglan), an antiemetic, for a client with gastric stasis.