IBCLC Exam Prep Test Bank
IBCLC EXAM PREP TEST BANK LATEST 2025/2026 ACTUAL
EXAM COMPLETE QUESTIONS AND CORRECT ANSWERS GRADED
A+ GUARANTEED PASS- ACE YOUR EXAM
Many antibiotics are safe for the breastfeeding mother to take. However, caution
needs to be taken with this antibiotic, ________, about which Hale's Medications
and Mothers' Milk says, "This antibiotic can be extremely toxic, particularly in
neonates, and should not be used for trivial infections."
A) Ampicillin
B) Chloramphenicol
C) Gentamicin
D) Metronidazole - Correct Answer-B) Chloramphenicol
Plasma levels of most topical and ophthalmic preparations are virtually nil and are
not likely to produce milk levels at all.
A) True
B) False - Correct Answer-A) True
Some drug pumping systems exist in the alveolar cell (the cells that line the milk
sac). For example, iodine is readily pumped into the milk compartment. Therefore,
any form of radioactive iodine should be avoided while breastfeeding.
A) True
B) False - Correct Answer-A) True
1|Page
, IBCLC Exam Prep Test Bank
Although there are many exceptions, in general, _______ of the maternal dose
finds its way into the milk and, subsequently, to the baby. ***(Do not confuse this
with Relative Infant Dose)
A) <1%
B) 5%
C) 10%
D) 12.5% - Correct Answer-A
What is the AVERAGE volume of milk consumed per 24 hours by a breastfed baby
around age 2-4 weeks?
A) 550-600ml (18-20oz)
B) 650-700ml (21.5-23oz)
C) 750-800 ml (25-26.5oz)
D) 850-900ml (28-30oz) - Correct Answer-C
Which statement about the effect of human milk on the child's immune system
would be MOST important to medical students?
A)Human milk stimulates the baby to begin making his own SIgA and other
antibodies.
B)Exclusively breastfed babies have a poorer response to immunizations.
C) The mother's own milk provides passive immunity between placentally
acquired immunity and autonomous immune protection.
D)The breastfed baby is at higher risk of infection because he relies on the
mother's immune protection during breastfeeding - Correct Answer-C
2|Page
, IBCLC Exam Prep Test Bank
Which component of preterm milk is proportionally higher than in term milk?
A) Protein
B)Lactose
C)Phosphorus
D)Iron - Correct Answer-A
Which is the MOST APPROPRIATE suggestion for a pregnant woman concerned
about eating well enough for her own body growth and her developing baby?
A)Take prenatal vitamins every day
B)Eat fruits, vegetables, and protein-rich food 5 times a day
C)Plan your meals and snacks so you can eat every few hours
D)Plan to gain 25-35 pounds by the end of your pregnancy - Correct Answer-D
A 3-week-old exclusively breastfed baby with a strong family history of allergy has
a severe reaction the first time he is fed with a cow's milk-based formula. The
MOST LIKELY explanation for this is that the:
A)baby was sensitized by intact cow's milk proteins that passed into the mother's
milk
B)baby was given a bottle of formula in the hospital nursery
C)mother consumed large amounts of dairy products during pregnancy
D)allergic reaction was more likely due to the latex in the bottle nipple than the
cow's milk - Correct Answer-C
Which of the following components of human milk has the MOST immunological
importance?
3|Page
, IBCLC Exam Prep Test Bank
A)Interferon
B)Fibronectin
C)Lactoferrin
D)Secretory IgA - Correct Answer-D
Which of the following protective components of milk is destroyed by freezing?
A)Lysozyme
B)Lymphocytes
C)Secretory IgA
D)Lactoferrin - Correct Answer-B
According to studies of breastfed babies in an industrialized society, which of the
following feeding patterns most closely approximates that of an exclusively
breastfed 3-month-old baby?
A)4-6 feeds per day, total 60 minutes or more
B)6-8 feeds per day, total 100 minutes or more
C)8-10 feeds per day, total 120 minutes or more
D)10-12 feeds per day, total 140 minutes or more - Correct Answer-D (8-12 feeds
140-160 minutes)
When are fat levels in mother's milk highest?
A)When the milk ejection reflex is strong
B)During the night
C)After the mother eats a high-fat diet
4|Page
IBCLC EXAM PREP TEST BANK LATEST 2025/2026 ACTUAL
EXAM COMPLETE QUESTIONS AND CORRECT ANSWERS GRADED
A+ GUARANTEED PASS- ACE YOUR EXAM
Many antibiotics are safe for the breastfeeding mother to take. However, caution
needs to be taken with this antibiotic, ________, about which Hale's Medications
and Mothers' Milk says, "This antibiotic can be extremely toxic, particularly in
neonates, and should not be used for trivial infections."
A) Ampicillin
B) Chloramphenicol
C) Gentamicin
D) Metronidazole - Correct Answer-B) Chloramphenicol
Plasma levels of most topical and ophthalmic preparations are virtually nil and are
not likely to produce milk levels at all.
A) True
B) False - Correct Answer-A) True
Some drug pumping systems exist in the alveolar cell (the cells that line the milk
sac). For example, iodine is readily pumped into the milk compartment. Therefore,
any form of radioactive iodine should be avoided while breastfeeding.
A) True
B) False - Correct Answer-A) True
1|Page
, IBCLC Exam Prep Test Bank
Although there are many exceptions, in general, _______ of the maternal dose
finds its way into the milk and, subsequently, to the baby. ***(Do not confuse this
with Relative Infant Dose)
A) <1%
B) 5%
C) 10%
D) 12.5% - Correct Answer-A
What is the AVERAGE volume of milk consumed per 24 hours by a breastfed baby
around age 2-4 weeks?
A) 550-600ml (18-20oz)
B) 650-700ml (21.5-23oz)
C) 750-800 ml (25-26.5oz)
D) 850-900ml (28-30oz) - Correct Answer-C
Which statement about the effect of human milk on the child's immune system
would be MOST important to medical students?
A)Human milk stimulates the baby to begin making his own SIgA and other
antibodies.
B)Exclusively breastfed babies have a poorer response to immunizations.
C) The mother's own milk provides passive immunity between placentally
acquired immunity and autonomous immune protection.
D)The breastfed baby is at higher risk of infection because he relies on the
mother's immune protection during breastfeeding - Correct Answer-C
2|Page
, IBCLC Exam Prep Test Bank
Which component of preterm milk is proportionally higher than in term milk?
A) Protein
B)Lactose
C)Phosphorus
D)Iron - Correct Answer-A
Which is the MOST APPROPRIATE suggestion for a pregnant woman concerned
about eating well enough for her own body growth and her developing baby?
A)Take prenatal vitamins every day
B)Eat fruits, vegetables, and protein-rich food 5 times a day
C)Plan your meals and snacks so you can eat every few hours
D)Plan to gain 25-35 pounds by the end of your pregnancy - Correct Answer-D
A 3-week-old exclusively breastfed baby with a strong family history of allergy has
a severe reaction the first time he is fed with a cow's milk-based formula. The
MOST LIKELY explanation for this is that the:
A)baby was sensitized by intact cow's milk proteins that passed into the mother's
milk
B)baby was given a bottle of formula in the hospital nursery
C)mother consumed large amounts of dairy products during pregnancy
D)allergic reaction was more likely due to the latex in the bottle nipple than the
cow's milk - Correct Answer-C
Which of the following components of human milk has the MOST immunological
importance?
3|Page
, IBCLC Exam Prep Test Bank
A)Interferon
B)Fibronectin
C)Lactoferrin
D)Secretory IgA - Correct Answer-D
Which of the following protective components of milk is destroyed by freezing?
A)Lysozyme
B)Lymphocytes
C)Secretory IgA
D)Lactoferrin - Correct Answer-B
According to studies of breastfed babies in an industrialized society, which of the
following feeding patterns most closely approximates that of an exclusively
breastfed 3-month-old baby?
A)4-6 feeds per day, total 60 minutes or more
B)6-8 feeds per day, total 100 minutes or more
C)8-10 feeds per day, total 120 minutes or more
D)10-12 feeds per day, total 140 minutes or more - Correct Answer-D (8-12 feeds
140-160 minutes)
When are fat levels in mother's milk highest?
A)When the milk ejection reflex is strong
B)During the night
C)After the mother eats a high-fat diet
4|Page
