1. What percentage does a normal infant increases in length from birth to one year of age? A. 30 percent B. 40 percent C. 50 percent D. 60 percent

The correct answer is C. 50 percent.<br /><br />On average, a normal infant increases in length by approximately 50 percent from birth to one year of age. This means that if an infant is born at a certain length, they will typically be around 1.5 times that length by the time they are one year old.