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IBCLC Exam #1 Practice Questions and Answers
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IBCLC Exam #1 Practice Questions and Answers What week gestation does the breast begin to develop in utero? - Ans:-*4th* week of gestation Where does the primitive milk streak develop - Ans:-Bilaterally from the axilla to the groin By the 5th week gestation the milk streak becomes what? - Ans:-M...

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  • October 22, 2024
  • 39
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ibclc exam 1 practice questions and answers

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©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




IBCLC Exam #1 Practice Questions and Answers


What week gestation does the breast begin to develop in utero? - Ans:✔✔-*4th* week of gestation


Where does the primitive milk streak develop - Ans:✔✔-Bilaterally from the axilla to the groin


By the 5th week gestation the milk streak becomes what? - Ans:✔✔-Mammary Milk Ridge (or milk line)


Thickening and inward growth into the chest wall continues during what weeks gestation? - Ans:✔✔-*7-

8* weeks gestation


Between weeks 12 and 16 gestation specialized cells differentiate into what? - Ans:✔✔-Smooth muscles

of the nipple and areola


What forms the mammary pit? - Ans:✔✔-Lactiferous ducts and their branches open into a shallow

epithelial depression


What failure creates an inverted nipple? - Ans:✔✔-When the Mammary pit fails to elevate


What is witches milk? - Ans:✔✔-After birth, a neonate's mammary tissue (under the influence of

maternal hormones) might recreate colostral like fluid




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FIRST PUBLISH OCTOBER 2024




At what age do the primary and secondary ducts grow and divide and form the terminal end buds that

become the alveoli? - Ans:✔✔-10-12 years old (puberty)


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


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


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


What are the two major divisions of the breast? - Ans:✔✔-Parenchyma and Stroma


What makes up the Parenchyma? - Ans:✔✔-Ducts, lobes, and aveoli


What are alveoli? - Ans:✔✔-Small sacs where milk is secreted


What makes up the Stroma? - Ans:✔✔-Connective and fat tissue, blood vessels, nerves, and lymphatics.


What is Cooper's Ligament? - Ans:✔✔-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? - Ans:✔✔-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? - Ans:✔✔-15-25


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


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FIRST PUBLISH OCTOBER 2024




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

and the nipple lubricated and protected


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


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


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

nerve


What part of the breast is most sensitive? - Ans:✔✔-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*? - Ans:✔✔-Approximately 7%


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


*Active alert*=fussy


*Quiet alert*=ready to play


*Drowsy*= irreg. breathing, heavy eyes

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, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




*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 _____ _____ - Ans:✔✔-pathogens




gut mucosa


How does the infant get the antibodies produced by mom? - Ans:✔✔-antibodies are produced in moms

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

milk.


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

adherence and penetration by pathogens


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


2. Eggs


3. Peanuts


4. Tree nuts


5. Fish

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