Final answer:
The average cord length at term is actually around 50-60 centimeters, which is approximately 19-23 inches.
Step-by-step explanation:
The umbilical cord normally contains two umbilical veins and one umbilical artery. However, the student statement that would require further explanation is option B: "The average cord length at term is 22 inches." This statement is incorrect. The average cord length at term is actually around 50-60 centimeters, which is approximately 19-23 inches.