IBLCE Anatomy and Physiology of Lactation 2

Question 1

Feedback Inhibitor of Lactation (FIL) is a whey protein that regulates milk supply by:

Accepted Answer

Inhibiting milk synthesis when the breast is full

Answer

Stimulating prolactin release

Answer

Promoting alveolar cell proliferation

Answer

Increasing oxytocin sensitivity

Question 2

Milk produced in the first several days postpartum is called colostrum. Compared to mature milk, colostrum is:

Accepted Answer

Higher in protein and immunoglobulins and lower in lactose

Answer

Higher in lactose and lower in protein

Answer

Lower in immunoglobulins and higher in fat

Answer

Equal in all macronutrients but higher in volume

Question 3

The primary immunoglobulin found in human breast milk that provides passive mucosal immunity to the infant is:

Accepted Answer

Secretory IgA

Answer

IgG

Answer

IgM

Answer

IgE

Question 4

Which anatomical feature of the nipple-areolar complex contains sebaceous glands that secrete lubricating and antimicrobial substances?

Accepted Answer

Montgomery glands

Answer

Sinuses of Santorini

Answer

Lactiferous ampullae

Answer

Cooper's ligaments

Question 5

Skin-to-skin contact promotes breastfeeding success primarily by releasing which maternal hormone?

Accepted Answer

Oxytocin

Answer

Cortisol

Answer

Adrenaline

Answer

Progesterone

Question 6

The transition from colostrum to mature milk, known as lactogenesis III or galactopoiesis, is maintained primarily by:

Accepted Answer

Frequent and effective milk removal

Answer

Rising estrogen levels

Answer

Increasing progesterone after 6 weeks postpartum

Answer

Dietary protein intake

Question 7

Which layer of breast tissue contains the glandular structures (lobules and ducts) where milk is produced?

Accepted Answer

Parenchyma

Answer

Superficial fascia

Answer

Cooper's ligament network

Answer

Retromammary space