IBCLC Practice Exam 2025 – All-in-One Guide to Excelling in Your Lactation Consultant Certification!

Question: 1 / 435

On average, how many milk duct openings are there at the end of a nipple?

7-8

9-10

On average, there are about 9 to 10 milk duct openings at the end of a nipple. This anatomical feature is crucial for breastfeeding, as these openings serve as outlets for milk to flow from the lactiferous ducts, where it is stored during the process of lactation. Each duct opening corresponds to a separate lactiferous duct that drains milk from the mammary glands.

Having this range of 9 to 10 openings facilitates effective milk delivery to the nursing infant, reducing the chance of inadequate milk transfer. This number can vary slightly among individuals due to anatomical differences, but the typical range makes this option the most accurate representation of what mothers can expect. Understanding the structure and function of the nipple is vital for lactation consultants, as it can help address challenges that nursing mothers may experience, such as latch issues or milk transfer concerns.

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11-12

13-14

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