CLE Anatomy & Physiology of Lactation

Question 1

Which hormone is primarily responsible for milk ejection (let-down reflex)?

Accepted Answer

Oxytocin

Answer

Prolactin

Answer

Estrogen

Answer

Progesterone

Question 2

Where does milk production occur within the breast?

Accepted Answer

Alveoli

Answer

Areola

Answer

Lactiferous sinus

Answer

Ductal openings

Question 3

What triggers the production of prolactin during breastfeeding?

Accepted Answer

Infant suckling

Answer

Infant crying

Answer

Milk removal

Answer

Skin-to-skin contact

Question 4

Which structure carries milk from the alveoli to the nipple?

Accepted Answer

Lactiferous ducts

Answer

Lobules

Answer

Areola

Answer

Myoepithelial cells

Question 5

What role do myoepithelial cells play in lactation?

Accepted Answer

Contract to eject milk

Answer

Produce milk

Answer

Store milk

Answer

Transport nutrients

Question 6

What gland secretes oxytocin during lactation?

Accepted Answer

Posterior pituitary

Answer

Thyroid gland

Answer

Adrenal gland

Answer

Anterior pituitary

Question 7

What is colostrum?

Accepted Answer

First thick, yellowish milk rich in antibodies

Answer

Watered-down breast milk

Answer

Formula supplement

Answer

Milk produced after 1 month

Question 8

What is the primary benefit of skin-to-skin contact after birth related to lactation?

Accepted Answer

Promotes hormone release for lactation

Answer

Increases infant alertness

Answer

Delays crying

Answer

Helps baby sleep longer

Question 9

Which hormone is essential for milk synthesis in the breast?

Accepted Answer

Prolactin

Answer

Insulin

Answer

Testosterone

Answer

Cortisol