IBCLC Practice Exam 2024 | Latest Verified
Questions & Correct Answers | Complete
Version
Which component in human milk affects the infant's stool composition and
frequency?
A) Lactose
B) Lipids
C) Whey to casein ratio
D) Fat soluble vitamins - ANSWER: C) Whey to casein ratio
Which hormone is associated with a baby being "milk drunk?"
A) Cholecystokinin
B) Cortisol
C) Insulin
D) Thyroxine (T4) - ANSWER: A) Cholecystokinin
Which hormone regulates appetite, food intake and energy metabolism and is
thought to keep breastfeeding baby's BMI (basal metabolic index) lower - leading
to less risk of childhood obesity?
A) Adiponectin
B) Cortisol
C) Leptin
D) Thyroxine (T4) - ANSWER: C) Leptin
,2|Page
This hormone promotes sleep and digestion. It is secreted in breastmilk in
circadian rhythm. It can barely be detected in daytime milk but rises in the evening
and peaks at about 3 am.
A) Cortisol
B) Melatonin
C) Insulin
D) Prostaglandin - ANSWER: B) Melatonin
This hormone is present in relatively high concentrations in colostrum and is
released during chronic stress.
A) Prostaglandin
B) Melatonin
C) Insulin
D) Cortisol - ANSWER: D) Cortisol
Thyroid hormones, including thyroxine, in breast milk may protect hypothyroid
infants for several months.
A) True
B) False - ANSWER: A) True
Identify the component of human milk that binds iron locally to inhibit bacterial
growth:
a. taurine
b. secretory IgA
c. macrophages
d. lactoferrin
e. oligosaccharides - ANSWER: d. lactoferrin
,3|Page
Identify the component of human milk that provides specific immunity against
many organisms:
a. taurine
b. macrophages
c. secretory IgA
d. lactoferrin
e. oligosaccharides - ANSWER: c. secretory IgA
The most important criterion for assessing the milk transfer during a feeding at the
breast is:
a. visible areola compression
b. audible swallow
c. proper alignment
d. proper attachment - ANSWER: b. audible swallow
Compared to formula, human milk contains higher levels of:
a. vitamin D
b. iron
c. lipase
d. vitamin A
e. none of the above - ANSWER: c. lipase
The hormone considered responsible for milk ejection is:
a. progesterone
b. prolactin
, 4|Page
c. estrogen
d. oxytocin - ANSWER: d. oxytocin
A mother with a three-day old baby presents with sore nipples. The problem began
with the first feeding and has persisted with every feeding. The most likely source
of the problem is:
a. feeding too long
b. poor attachment
c. baby's suck is too strong
d. lack of nipple preparation during pregnancy - ANSWER: b. poor attachment
The hormone considered responsible for milk synthesis is:
a. progesterone
b. prolactin
c. estrogen
d. oxytocin - ANSWER: b. prolactin
Which of the following would you suggest that a woman with inverted nipples do
during the third trimester?
a. Use breast shells with guidance from her health care provider
b. Cut holes in the bra to allow the nipples to protrude; wear it day and night
c. Encourage everting the nipples four times a day to permanently evert her nipples
d. Do nothing because the natural changes in the breast during pregnancy and the
infant's suckling postpartum may evert the nipples - ANSWER: d. Do nothing
because the natural changes in the breast during pregnancy and the infant's
suckling postpartum may evert the nipples