CBS Lactation Physiology & Nutrition 2

Question 1

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

Accepted Answer

Oxytocin

Answer

Oxytocin is released from the posterior pituitary and causes myoepithelial cells around alveoli to contract, ejecting milk into the ducts.

Question 2

Which fatty acid found in human breast milk is critical for infant brain and retinal development?

Accepted Answer

Docosahexaenoic acid (DHA)

Answer

DHA is an omega-3 long-chain polyunsaturated fatty acid essential for neural and retinal development in infants.

Question 3

Foremilk differs from hindmilk primarily in its:

Accepted Answer

Fat content

Answer

Hindmilk has a higher fat content than foremilk, which is more watery and lower in fat but similar in protein and lactose.

Question 4

A breastfeeding mother asks about Vitamin D supplementation. Current AAP guidelines recommend daily Vitamin D supplementation of how many IU for exclusively breastfed infants?

Accepted Answer

400 IU

Answer

The AAP recommends 400 IU of Vitamin D daily for all breastfed infants starting within the first few days of life.

Question 5

The primary carbohydrate in human breast milk that promotes growth of Lactobacillus bifidus is:

Accepted Answer

Human milk oligosaccharides (HMOs)

Answer

Human milk oligosaccharides serve as prebiotics that selectively promote growth of beneficial bifidobacteria in the infant gut.

(CBS) Certified Breastfeeding Specialist Practice Test

(CBS) Certified Breastfeeding Specialist Practice Test

CBS Lactation Physiology & Nutrition 2