When does the breast begin to develop in utero? - CORRECT ANSWER 4th week of gestation
Where does the primitive milk streak develop - CORRECT ANSWER Bilaterally from the axilla to the groin
By the 5th week gestation the milk streak becomes what? - CORRECT ANSWER Mamma...
IBCLC EXAM -2024 VERIFIED QUESTIONS AND
ANSWERS
When does the breast begin to develop in utero? - CORRECT ANSWER
4th week of gestation
Where does the primitive milk streak develop - CORRECT ANSWER
Bilaterally from the axilla to the groin
By the 5th week gestation the milk streak becomes what? - CORRECT
ANSWER Mammary Milk Ridge (or milk line)
Thickening and inward growth into the chest wall continues during what
weeks gestation? - CORRECT ANSWER 7-8 weeks gestation
Between weeks 12 and 16 gestation specialized cells differentiate into what? -
CORRECT ANSWER Smooth muscles of the nipple and areola
What forms the mammary pit? - CORRECT ANSWER Lactiferous ducts
and their branches open into a shallow epithelial depression
What creates an inverted nipple? - CORRECT ANSWER When the
Mammary pit fails to elevate
,IBCLC EXAM -2024 VERIFIED QUESTIONS AND
ANSWERS
What is witches milk? - CORRECT 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? - CORRECT ANSWER
10-12 years old
When does complete development of mammary function occur? - CORRECT
ANSWER During pregnancy
What is superficial fiscia? - CORRECT ANSWER Fibrous tissue beneath
the skin
Where is the breast located? - CORRECT ANSWER In the superficial
fascia between the second rib and sixth intercostal space
What are the two major divisions of the breast? - CORRECT ANSWER
Parenchyma and Stroma
,IBCLC EXAM -2024 VERIFIED QUESTIONS AND
ANSWERS
What makes up the Parenchyma? - CORRECT ANSWER Ducts, lobes,
and aveoli
What are alveoli? - CORRECT ANSWER Small sacs where milk is
secreted
What makes up the Stroma? - CORRECT ANSWER Connective tissue,
fat tissue, blood vessels, nerves, and lymphatics.
What is Cooper's Ligament? - CORRECT 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? - CORRECT ANSWER 15-25 milk ducts,
smooth muscle fibers, sebaceous and apocrine sweat glands, and dense
innervations of sensory nerve endings
What are Montgomery Tubercles? - CORRECT ANSWER Sebaceous
glands in the areola surrounding the nipple
, IBCLC EXAM -2024 VERIFIED QUESTIONS AND
ANSWERS
What do the Montgomery Tubercles secrete? - CORRECT ANSWER Oily
secretions (lipoid fluid) to keep the areola and the nipple lubricated and
protected
What artery(s) supply blood to the breast? - CORRECT ANSWER
Internal mammary artery (60%) and lateral thoracic artery (30%)
Where does the lymphatic system of the breast drain excess fluids from tissue
space, bacteria and cast off cells? - CORRECT ANSWER Auxiliary lymph
node
Where does the nerves of the breast mainly branch from? - CORRECT
ANSWER 4th, 5th, and 6th intercostal nerve
What nerve supplies the greatest amount of sensation to the areola? -
CORRECT ANSWER 4th intercostal nerve
What part of the breast is most sensitive? - CORRECT ANSWER The
areola followed by the general skin of the breast, and then the nipple which is
least sensitive.
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