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IBCLC Exam #1 Practice Questions and Answers 100% Pass
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IBCLC Exam #1 Practice Questions and Answers 100% Pass What week gestation 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...

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  • November 11, 2024
  • 33
  • 2024/2025
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  • ibclc exam 1 practice questions and answers 100

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IBCLC Exam #1 Practice Questions and

Answers 100% Pass


What week gestation 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 failure 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 (puberty)


When does *complete* development of mammary function occur? - ANSWER✔✔-During pregnancy

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What is superficial fiscia? - ANSWER✔✔-Fibrous tissue beneath the skin


Where is the breast located? - ANSWER✔✔-In the superficial fascia between the *2nd rib and 6th ICS*


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 and 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


How many milk ducts does the nipple contain? - ANSWER✔✔-15-25


What are Montgomery Tubercles? - ANSWER✔✔-Sebaceous glands in the areola surrounding the nipple


What do the Montgomery Tubercles secrete? - ANSWER✔✔-*Oily secretions* (lipoid fluid) to keep the

areola and the nipple lubricated and protected


What 2 arteries supply blood to the breast (60% / 30%)? - 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? - ANSWER✔✔-Auxiliary lymph node



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Where do the nerves of the breast branch from? - ANSWER✔✔-4th, 5th, and 6th intercostal nerve


What nerve supplies the greatest amount of *sensation* to the areola? - ANSWER✔✔-*4th* intercostal

nerve


What part of the breast is most sensitive? - ANSWER✔✔-The areola followed by the general skin of the

breast, and then the nipple which is least sensitive.


What percent of breast milk is *carbohydrates*? - ANSWER✔✔-Approximately 7%


What are the six infant behavioral "states" - ANSWER✔✔-*Crying*


*Active alert*=fussy


*Quiet alert*=ready to play


*Drowsy*= irreg. breathing, heavy eyes


*Active sleep*= eye movement under lids, twitching


*Quiet sleep*= reg resp. relaxed, diff. to wake


Milk components that protect the infant/lactating breast actively bind ______, preventing their passage

through the permeable infant _____ _____ - ANSWER✔✔-pathogens




gut mucosa


How does the infant get the antibodies produced by mom? - ANSWER✔✔-antibodies are produced in

moms blood, targeted *SIgA* which is transported across the mammary secretory cells and released in

the milk.



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What is sIgA? - ANSWER✔✔-Immunoglobulin A is an antibody that coats mucosal surfaces to prevent

adherence and penetration by pathogens


What are the most common food allergies? - ANSWER✔✔-1. Cow's milk protein


2. Eggs


3. Peanuts


4. Tree nuts


5. Fish


6. Shellfish


7. Soy


8. Wheat


What are the common symptoms of food allergies? - ANSWER✔✔-1. Eczema


2. Hives


3. Digestive or respiratory problems (e.g. mucus or blood in the stool)


The infant uses their _____ to draw in the nipple and ____ it in the mouth - ANSWER✔✔-Lips


Stabilize


Weak lip tone is also called? - ANSWER✔✔-*Hypotonic lips* result in the inability to seal lips around the

breast impacting the amount of suction created


What is a sucking blister? What are 2 things it can be caused by? - ANSWER✔✔-friction abrasions

resulting from *retracted lips or a labial frenulum* that restricts the lips from flanging


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