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IBCLC Exam Study Guide (800 +Terms and Questions) Complete Guide for Exam Prep
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IBCLC Exam Study Guide (800 +Terms and Questions) Complete Guide for Exam Prep
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IBCLC Exam Study Guide (800 +Terms andQuestions) Complete Guide for Exam Prep
Where are montgomerys tubercules located - ✔✔Around the areola
The Montgomery tubercules contain - ✔✔Ductal openings of the sebaceous and lactiferous
glands and sweat glands
What happens to Montgomery glands in pregnancy - ✔✔They enlarge and resemble small ,
raised pimples
The Montgomery glands secrete ? - ✔✔A substance that lubricates and protects the nipple
Some secrete a small amount of milk
Secretions of the Montgomery gland may produce ? - ✔✔A scent to help the infant locate
the nipple
Parenchyma are - ✔✔Functional parts of the breast
Alveoli are ? - ✔✔( acini) are the basic components of the mature mammary gland .
Secretory cells in which the milk is produced
Lactocytes ( specialized epithelial cells ) that line the interior of the alveolus do ? -
✔✔Absorb nutrients , immunoglobulin, and hormones from the mothers bloodstream to
compose milk
Prolactin receptor sites in the lactocytes Allow? - ✔✔Prolactin to be absorbed from the
blood and enter into the alveoli to stimulate milk production
,Myoepithelial cells do what ? - ✔✔Encase the alveoli and contact in response to oxytocin to
eject milk into ductules
How many lobes does the breast contain - ✔✔15-25 that carry the milk through the ductules
from the alveoli to the nipple
Each lobe contains how many alveoli - ✔✔10-100 in an intricate system of ductules that
branch out from the lobes to converge into lactiferous ducts behind the nipple
Ultrasound of lobes shows? - ✔✔Connections between lobes
What do ducts do in response to milk ejection - ✔✔Temporarily widen
What do ducts do in response to duct drainage - ✔✔Narrow
What happens to milk that is not removed - ✔✔It flows backward up the collecting ducts
Lactiferous ducts lead to - ✔✔5-10 openings in the nipple
Stroma - ✔✔Supporting tissues of the breast
Stroma include - ✔✔Connective tissue , fat tissue, blood vessels , nerves, and lymphatics
Coopers ligaments are - ✔✔Suspensory ligaments running vertically through the breast
What do coopers ligaments do - ✔✔Attach the deep layer of subcutaneous tissue to the
dermis layer of the skin
,The breast is highly - ✔✔Vascular
What supplies 60%of blood to the breast - ✔✔Internal mammary artery
What supplies 30%of blood to the breast - ✔✔Lateral thoracic artery
Blood vessels within the breast do ? - ✔✔Enlarge
What stimulates growth of the ducts - ✔✔Surges of estrogen
What causes glandular tissue to expand ? - ✔✔Surges of progesterone
The lymphatic system collects ? - ✔✔Excess fluids from tissue spaces, bacteria, and cast off
cell parts
The lymphatic system drains where ? - ✔✔The axillary lymph nodes mainly
Breast innervation derives from mainly where ? - ✔✔Branches of the 4th, 5th, and 6th
intercostal nerves
Where is nerve supply sparse ? - ✔✔The innermost parts of the breast
The fourth intercostal nerve - ✔✔Penetrates the posterior aspect of the breast
The 4th intercostal nerve supplies the greatest amount of sensation to the areola where ? -
✔✔4:00 on the left breast and 8:00 on the right breast
, How many branches does the 4th intercostal nerve divide into - ✔✔5 branches and it
becomes more superficial as it reaches the areola
The Lowermost branch of the 4th intercostal nerve penetrates the areola where ? - ✔✔5:00
on left breast and 7:00 on the right
Trauma to the 4th intercostal nerve might result in - ✔✔Some loss of sensation in the breast
If the lowermost branch of the 4th intercostal nerve is severed what happens ? - ✔✔Loss of
sensation to the nipple and areola may result
Aberrant sensory or autonomic nerve distributions in the nipple/areola complex could -
✔✔Affect milk ejection reflex and secretion of prolactin and oxytocin
Trauma or severing of the 4th intercostal nerve could result from - ✔✔Breast augmentation
or reduction surgery
How much does a non pregnant mature breast weigh - ✔✔200g
How much does a pregnant near term breast Weigh - ✔✔400-600g
How much does a lactating breast weigh - ✔✔600-800g
Asymmetry is common . Which breast is often larger - ✔✔Left larger than right often
Hypermastia - ✔✔Presence of an accessory mammary gland - accessory or supernumerary
nipple develops along the milk line between the axilla and groin
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