Final answer:
The average blood glucose of an infant by 3-4 hours after birth is typically between 60-80 mg/dL (milligrams per deciliter).
Step-by-step explanation:
The average blood glucose of an infant by 3-4 hours after birth is typically between 60-80 mg/dL (milligrams per deciliter). This falls within the normal range of blood glucose levels for a fasting or post-absorptive state in a healthy individual. It's important to note that blood glucose levels can vary depending on various factors, so it's always best to consult a healthcare professional for accurate assessment and interpretation.