IBCLC Infant Nutrition and Development 2

Question 1

At what age is it recommended to introduce complementary foods to a breastfed infant according to WHO guidelines?

Accepted Answer

Around 6 months while continuing breastfeeding

Answer

4 months

Answer

8 months

Answer

When the first tooth appears

Question 2

What is the expected weight gain pattern for a healthy exclusively breastfed infant during the first 4 months of life?

Accepted Answer

Approximately 150-200 grams per week

Answer

Approximately 100-150 grams per week

Answer

Approximately 250-300 grams per week

Answer

Weight gain varies too much to establish a pattern

Question 3

Which component of human milk is primarily responsible for promoting the growth of beneficial Bifidobacterium in the infant's gut?

Accepted Answer

Human milk oligosaccharides (HMOs)

Answer

Lactose

Answer

Casein

Answer

Lactoferrin

Question 4

A breastfed infant's pediatrician recommends starting iron supplementation at 4 months of age. What is the rationale?

Accepted Answer

Iron stores accumulated during gestation begin to deplete around 4-6 months, and breast milk iron alone may not meet increasing demands

Answer

Breast milk contains no iron

Answer

The infant is likely anemic

Answer

Formula-fed infants do not need supplementation so breastfed infants should not either

Question 5

Which developmental milestone indicates that an infant may be ready for complementary foods?

Accepted Answer

Ability to sit with minimal support and bring objects to the mouth

Answer

Sleeping through the night

Answer

Doubling of birth weight alone

Answer

Showing interest in watching others eat

Question 6

What is the primary immunoglobulin found in human colostrum and what is its function?

Accepted Answer

Secretory IgA (sIgA) provides mucosal immunity in the infant's gastrointestinal tract

Answer

IgG provides systemic immunity

Answer

IgM activates complement

Answer

IgE protects against parasites