IBCLC Practice Questions Set 1.
1.
2. What week gestation does the breast begin *4th* week of gestation
to develop in utero?
1/
72
, IBCLC Practice Questions Set 1.
3. Where does the primitive milk streak devel- Bilaterally from the axilla to the
groin
op
4. By the 5th week gestation the milk Mammary Milk Ridge (or milk line)
streak becomes what?
5. Thickening and inward growth
*7-8* weeks gestation
into the chest wall continues during
what weeks gestation?
6. Between weeks 12 and 16 gestation special- Smooth muscles of the nipple
and areola
ized cells differentiate into what?
7. What forms the mammary pit? Lactiferous ducts and their branches op
into a shallow epithelial depression
8. What failure creates an inverted nipple? When the Mammary pit fails to eleva
9. What is witches milk? After birth, a neonate's mammary
tissue (under the influence of
maternal hor- mones) might recreate
colostral like fluid
10. At what age do the primary and 10-12 years old (puberty)
secondary ducts grow and divide
and form the termi- nal end buds
that become the alveoli?
During pregnancy
11. When does *complete* development
of mammary function occur?
12. What is superficial fiscia? Fibrous tissue beneath the skin
2/
72
, IBCLC Practice Questions Set 1.
13. Where is the breast located? In the superficial fascia between the
*2nd rib and 6th ICS*
14. What are the two major divisions of Parenchyma and Stroma
the breast?
15. What makes up the Parenchyma? Ducts, lobes, and aveoli
16. What are alveoli? Small sacs where milk is secreted
17. What makes up the Stroma? Connective and fat tissue, blood
vessels, nerves, and lymphatics.
18. What is Cooper's Ligament? Suspensory ligament that are the
fibrous connections between the
inner side of the breast skin and
pectoral muscles. Help to shape the
breasts
19. What does the nipple contain? 15-25 milk ducts, smooth muscle fibers
sebaceous and apocrine sweat
glands, and dense innervations of
sensory nerve endings
20. How many milk ducts does the nipple 15-25
con- tain?
21. What are Montgomery Tubercles? Sebaceous glands in the areola
surround-
ing the nipple
22. What do the Montgomery Tubercles *Oily secretions* (lipoid fluid) to keep
se- crete? the areola and the nipple lubricated
and pro- tected
23.
3/
72
, IBCLC Practice Questions Set 1.
What 2 arteries supply blood to the Internal mammary artery (60%) and
breast (60% / 30%)? later- al thoracic artery (30%)
24. Where does the lymphatic system Auxiliary lymph node
of the breast drain excess fluids from
tissue space, bacteria and cast off
cells?
4th, 5th, and 6th intercostal nerve
25. Where do the nerves of the breast
branch from?
26. What nerve supplies the greatest amount of *4th* intercostal nerve
*sensation* to the areola?
27. What part of the breast is most sensitive?The areola followed by the general
skin of
the breast, and then the nipple which
is least sensitive.
28. What percent of breast milk is Approximately 7%
*carbohy- drates*?
29. What are the six infant behavioral "states" *Crying*
*Active alert*=fussy
*Quiet alert*=ready to play
*Drowsy*= irreg. breathing, heavy ey
*Active sleep*= eye movement under
lids, twitching
*Quiet sleep*= reg resp. relaxed, ditt.
to wake
30. Milk components that protect the in- pathogen
fant/lactating breast actively bind ,
preventing their passage through the s gut
per- meable infant
4/
72
1.
2. What week gestation does the breast begin *4th* week of gestation
to develop in utero?
1/
72
, IBCLC Practice Questions Set 1.
3. Where does the primitive milk streak devel- Bilaterally from the axilla to the
groin
op
4. By the 5th week gestation the milk Mammary Milk Ridge (or milk line)
streak becomes what?
5. Thickening and inward growth
*7-8* weeks gestation
into the chest wall continues during
what weeks gestation?
6. Between weeks 12 and 16 gestation special- Smooth muscles of the nipple
and areola
ized cells differentiate into what?
7. What forms the mammary pit? Lactiferous ducts and their branches op
into a shallow epithelial depression
8. What failure creates an inverted nipple? When the Mammary pit fails to eleva
9. What is witches milk? After birth, a neonate's mammary
tissue (under the influence of
maternal hor- mones) might recreate
colostral like fluid
10. At what age do the primary and 10-12 years old (puberty)
secondary ducts grow and divide
and form the termi- nal end buds
that become the alveoli?
During pregnancy
11. When does *complete* development
of mammary function occur?
12. What is superficial fiscia? Fibrous tissue beneath the skin
2/
72
, IBCLC Practice Questions Set 1.
13. Where is the breast located? In the superficial fascia between the
*2nd rib and 6th ICS*
14. What are the two major divisions of Parenchyma and Stroma
the breast?
15. What makes up the Parenchyma? Ducts, lobes, and aveoli
16. What are alveoli? Small sacs where milk is secreted
17. What makes up the Stroma? Connective and fat tissue, blood
vessels, nerves, and lymphatics.
18. What is Cooper's Ligament? Suspensory ligament that are the
fibrous connections between the
inner side of the breast skin and
pectoral muscles. Help to shape the
breasts
19. What does the nipple contain? 15-25 milk ducts, smooth muscle fibers
sebaceous and apocrine sweat
glands, and dense innervations of
sensory nerve endings
20. How many milk ducts does the nipple 15-25
con- tain?
21. What are Montgomery Tubercles? Sebaceous glands in the areola
surround-
ing the nipple
22. What do the Montgomery Tubercles *Oily secretions* (lipoid fluid) to keep
se- crete? the areola and the nipple lubricated
and pro- tected
23.
3/
72
, IBCLC Practice Questions Set 1.
What 2 arteries supply blood to the Internal mammary artery (60%) and
breast (60% / 30%)? later- al thoracic artery (30%)
24. Where does the lymphatic system Auxiliary lymph node
of the breast drain excess fluids from
tissue space, bacteria and cast off
cells?
4th, 5th, and 6th intercostal nerve
25. Where do the nerves of the breast
branch from?
26. What nerve supplies the greatest amount of *4th* intercostal nerve
*sensation* to the areola?
27. What part of the breast is most sensitive?The areola followed by the general
skin of
the breast, and then the nipple which
is least sensitive.
28. What percent of breast milk is Approximately 7%
*carbohy- drates*?
29. What are the six infant behavioral "states" *Crying*
*Active alert*=fussy
*Quiet alert*=ready to play
*Drowsy*= irreg. breathing, heavy ey
*Active sleep*= eye movement under
lids, twitching
*Quiet sleep*= reg resp. relaxed, ditt.
to wake
30. Milk components that protect the in- pathogen
fant/lactating breast actively bind ,
preventing their passage through the s gut
per- meable infant
4/
72
