The birth weight of an infant delivered by a woman with gestational diabetes is 10.1 pounds (4,581 grams). The infant is jittery and has a heel stick glucose level of 40 mg/dL (2.2 mmol/L) 30 minutes after birth. Based on this information, which intervention should the practical nurse (PN) implement first? Reference range: Blood glucose neonate: [30 to 60 mg/dL or 1.7 to 3.3 mmol/L]