IBCLC EXAM PREP |ACTUAL QUESTIONS AND
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
What is the first question to consider when helping a breastfeeding mother with a
medication question?
A) What is the relative infant dose of the medication?
B) What is the protein binding of the medication?
C) What is the molecular weight of the medication?
D) Is the medication really necessary to take now?
CORRECT ANSWER
D
Question 2
Which drug property results in more transfer of the drug into the mother's milk?
A) Molecular weight >800 Daltons
B) High protein binding
C) High lipid solubility
D) Low maternal plasma concentration
CORRECT ANSWER
C
Question 3
1
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,When it comes to medications and breastfeeding, drugs with a shorter half-life are
preferred. How many half-lives until it is generally considered that the drug is eliminated
from the system?
A) 3
B) 5
C) 7
D) 9
CORRECT ANSWER
B
Question 4
If a woman is given 80 mg of a drug to treat a urinary tract infection - and the drug has a
half-life of 3 hours - how much will be left in her system after 3 half-lives?
A) 40 mg
B) 20 mg
C) 10 mg
D) 5 mg
CORRECT ANSWER
C
Question 5
What is considered a high enough molecular weight that the medication will be too big to
easily get into the breast milk compartment?
A) 200 Daltons
B) 300 Daltons
C) 400 Daltons
D) More than 800 Daltons
2
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,CORRECT ANSWER
D
Question 6
Drugs can be highly bound to albumin, a large protein in the blood circulation, and
therefore too big to get into the breast milk space. What percentage of protein binding is
considered high and therefore preferred?
A) 40%
B) 60%
C) 80%
D) >90%
CORRECT ANSWER
D
Question 7
While most drugs are compatible with breastfeeding, a few are not. Which type of drug is
usually contraindicated for breastfeeding?
A) Antibiotic
B) Antidepressant
C) Chemotherapy
D) Diabetic therapy
CORRECT ANSWER
C
Question 8
3
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, A Relative Infant Dose (RID) of _____ indicates compatibility with breastfeeding.
A) <10%
B) >10%
CORRECT ANSWER
A) <10%
Question 9
A good resource to use to figure out if a medicine is compatible with breastfeeding is:
A) The Physician Desk Reference (PDR)
B) The medicine package insert
C) Google
D) LactMed
CORRECT ANSWER
D) LactMed
Question 10
In Hale's Medications and Mothers' Milk, which lactation risk category is the safest?
A) L1
B) L2
C) L4
D) L5
CORRECT ANSWER
A
4
@https://www.stuvia.com/user/thestudyvault
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
What is the first question to consider when helping a breastfeeding mother with a
medication question?
A) What is the relative infant dose of the medication?
B) What is the protein binding of the medication?
C) What is the molecular weight of the medication?
D) Is the medication really necessary to take now?
CORRECT ANSWER
D
Question 2
Which drug property results in more transfer of the drug into the mother's milk?
A) Molecular weight >800 Daltons
B) High protein binding
C) High lipid solubility
D) Low maternal plasma concentration
CORRECT ANSWER
C
Question 3
1
@https://www.stuvia.com/user/thestudyvault
,When it comes to medications and breastfeeding, drugs with a shorter half-life are
preferred. How many half-lives until it is generally considered that the drug is eliminated
from the system?
A) 3
B) 5
C) 7
D) 9
CORRECT ANSWER
B
Question 4
If a woman is given 80 mg of a drug to treat a urinary tract infection - and the drug has a
half-life of 3 hours - how much will be left in her system after 3 half-lives?
A) 40 mg
B) 20 mg
C) 10 mg
D) 5 mg
CORRECT ANSWER
C
Question 5
What is considered a high enough molecular weight that the medication will be too big to
easily get into the breast milk compartment?
A) 200 Daltons
B) 300 Daltons
C) 400 Daltons
D) More than 800 Daltons
2
@https://www.stuvia.com/user/thestudyvault
,CORRECT ANSWER
D
Question 6
Drugs can be highly bound to albumin, a large protein in the blood circulation, and
therefore too big to get into the breast milk space. What percentage of protein binding is
considered high and therefore preferred?
A) 40%
B) 60%
C) 80%
D) >90%
CORRECT ANSWER
D
Question 7
While most drugs are compatible with breastfeeding, a few are not. Which type of drug is
usually contraindicated for breastfeeding?
A) Antibiotic
B) Antidepressant
C) Chemotherapy
D) Diabetic therapy
CORRECT ANSWER
C
Question 8
3
@https://www.stuvia.com/user/thestudyvault
, A Relative Infant Dose (RID) of _____ indicates compatibility with breastfeeding.
A) <10%
B) >10%
CORRECT ANSWER
A) <10%
Question 9
A good resource to use to figure out if a medicine is compatible with breastfeeding is:
A) The Physician Desk Reference (PDR)
B) The medicine package insert
C) Google
D) LactMed
CORRECT ANSWER
D) LactMed
Question 10
In Hale's Medications and Mothers' Milk, which lactation risk category is the safest?
A) L1
B) L2
C) L4
D) L5
CORRECT ANSWER
A
4
@https://www.stuvia.com/user/thestudyvault
