IBCLC Exam 2025 Update Questions and
Answers |With 100% Verified Solutions |
Updated & Verified | 2025
When does the breast begin to develop in utero? -
✔✔ANSWER✔✔-4th week of gestation
Where does the primitive milk streak develop -
✔✔ANSWER✔✔-Bilaterally from the axilla to the groin
By the 5th week gestation the milk streak becomes
what? - ✔✔ANSWER✔✔-Mammary Milk Ridge (or milk
line)
,Thickening and inward growth into the chest wall
continues during what weeks gestation? -
✔✔ANSWER✔✔-7-8 weeks gestation
Between weeks 12 and 16 gestation specialized cells
differentiate into what? - ✔✔ANSWER✔✔-Smooth
muscles of the nipple and areola
What forms the mammary pit? - ✔✔ANSWER✔✔-
Lactiferous ducts and their branches open into a shallow
epithelial depression
What creates an inverted nipple? - ✔✔ANSWER✔✔-
When the Mammary pit fails to elevate
What is witches milk? - ✔✔ANSWER✔✔-After birth, a
neonate's mammary tissue (under the influence of
maternal hormones) might recreate colostral like fluid
,At what age do the primary and secondary ducts grow
and divide and form the terminal end buds that become
the alveoli? - ✔✔ANSWER✔✔-10-12 years old
When does complete development of mammary function
occur? - ✔✔ANSWER✔✔-During pregnancy
What is superficial fiscia? - ✔✔ANSWER✔✔-Fibrous
tissue beneath the skin
Where is the breast located? - ✔✔ANSWER✔✔-In the
superficial fascia between the second rib and sixth
intercostal space
What are the two major divisions of the breast? -
✔✔ANSWER✔✔-Parenchyma and Stroma
What makes up the Parenchyma? - ✔✔ANSWER✔✔-
Ducts, lobes, and aveoli
, What are alveoli? - ✔✔ANSWER✔✔-Small sacs where
milk is secreted
What makes up the Stroma? - ✔✔ANSWER✔✔-
Connective tissue, fat tissue, blood vessels, nerves, and
lymphatics.
What is Cooper's Ligament? - ✔✔ANSWER✔✔-
Suspensory ligament that are the fibrous connections
between the inner side of the breast skin and pectoral
muscles. Help to shape the breasts
What does the nipple contain? - ✔✔ANSWER✔✔-15-25
milk ducts, smooth muscle fibers, sebaceous and
apocrine sweat glands, and dense innervations of
sensory nerve endings
What are Montgomery Tubercles? - ✔✔ANSWER✔✔-
Sebaceous glands in the areola surrounding the nipple
Answers |With 100% Verified Solutions |
Updated & Verified | 2025
When does the breast begin to develop in utero? -
✔✔ANSWER✔✔-4th week of gestation
Where does the primitive milk streak develop -
✔✔ANSWER✔✔-Bilaterally from the axilla to the groin
By the 5th week gestation the milk streak becomes
what? - ✔✔ANSWER✔✔-Mammary Milk Ridge (or milk
line)
,Thickening and inward growth into the chest wall
continues during what weeks gestation? -
✔✔ANSWER✔✔-7-8 weeks gestation
Between weeks 12 and 16 gestation specialized cells
differentiate into what? - ✔✔ANSWER✔✔-Smooth
muscles of the nipple and areola
What forms the mammary pit? - ✔✔ANSWER✔✔-
Lactiferous ducts and their branches open into a shallow
epithelial depression
What creates an inverted nipple? - ✔✔ANSWER✔✔-
When the Mammary pit fails to elevate
What is witches milk? - ✔✔ANSWER✔✔-After birth, a
neonate's mammary tissue (under the influence of
maternal hormones) might recreate colostral like fluid
,At what age do the primary and secondary ducts grow
and divide and form the terminal end buds that become
the alveoli? - ✔✔ANSWER✔✔-10-12 years old
When does complete development of mammary function
occur? - ✔✔ANSWER✔✔-During pregnancy
What is superficial fiscia? - ✔✔ANSWER✔✔-Fibrous
tissue beneath the skin
Where is the breast located? - ✔✔ANSWER✔✔-In the
superficial fascia between the second rib and sixth
intercostal space
What are the two major divisions of the breast? -
✔✔ANSWER✔✔-Parenchyma and Stroma
What makes up the Parenchyma? - ✔✔ANSWER✔✔-
Ducts, lobes, and aveoli
, What are alveoli? - ✔✔ANSWER✔✔-Small sacs where
milk is secreted
What makes up the Stroma? - ✔✔ANSWER✔✔-
Connective tissue, fat tissue, blood vessels, nerves, and
lymphatics.
What is Cooper's Ligament? - ✔✔ANSWER✔✔-
Suspensory ligament that are the fibrous connections
between the inner side of the breast skin and pectoral
muscles. Help to shape the breasts
What does the nipple contain? - ✔✔ANSWER✔✔-15-25
milk ducts, smooth muscle fibers, sebaceous and
apocrine sweat glands, and dense innervations of
sensory nerve endings
What are Montgomery Tubercles? - ✔✔ANSWER✔✔-
Sebaceous glands in the areola surrounding the nipple
