CLC Practice Exam Prep Test Bank
CLC PRACTICE EXAM PREP TEST BANK LATEST 2025/2026 ACTUAL
EXAM COMPLETE 350 QUESTIONS AND CORRECT ANSWERS GRADED
A+ GUARANTEED PASS- ACE YOUR EXAM
DESCRIPTION
This exam is structured as a comprehensive, scenario-based assessment consisting
of 350 multiple-choice questions, designed to evaluate both theoretical knowledge
and clinical application. Questions are distributed across core lactation domains,
including maternal and infant anatomy and physiology, breastfeeding
management, infant growth and feeding assessment, medical and psychosocial
considerations, ethics and professional practice, and public health principles. A
significant portion of the exam uses clinical vignettes that require interpretation,
prioritization, and selection of the most appropriate intervention, reflecting real-
world IBCLC/CLC practice. All questions are single-best-answer MCQs (typically 4
options, with occasional 5-option items), emphasizing critical thinking rather than
recall. The exam balances foundational knowledge with advanced clinical
reasoning, ensuring assessment of safe, evidence-based lactation care across
diverse settings and populations.
1|Page
, CLC Practice Exam Prep Test Bank
1. Which infant is at risk for iron-deficiency anemia?
a) Infant weighing more than 3000 g at birth
b) Exclusively breastfed infant beyond 6 months
c) Breastfed infant whose mother lost 2 units of blood at delivery
d) Infant who is fed cow’s milk before one year of age
Correct answer: d) Infant who is fed cow’s milk before one year of age
Rationale: Cow’s milk is low in iron and can interfere with iron absorption and
cause GI blood loss.
2. Sixteen-year-old Trudy delivered her son at 29 weeks gestation and plans to
formula-feed. The most important reason to discuss breastfeeding is because:
a) The infant is NPO, giving time to change her mind
b) Adolescents usually lack breastfeeding role models
c) Many women choose to pump after learning benefits for preterm infants
d) Staff often assume adolescents will formula-feed
Correct answer: c) Many women choose to pump after learning benefits for
preterm infants
Rationale: Education about benefits for preterm infants often motivates mothers
to provide breast milk.
3. The whey protein component of milk that can decrease milk supply is known as:
a) Putrescine
b) Fractional proteins
c) Suppressor peptides
d) Feedback Inhibitor of Lactation (FIL)
Correct answer: d) Feedback Inhibitor of Lactation (FIL)
Rationale: FIL regulates milk production based on milk removal from the breast.
2|Page
, CLC Practice Exam Prep Test Bank
4. Milk banks that are members of the Human Milk Banking Association of North
America (HMBANA):
a) Use flash heating to pasteurize milk
b) Accept milk only from mothers without body piercings
c) Dispense milk inside and outside hospital settings
d) Provide milk only for preterm infants
Correct answer: c) Dispense milk inside and outside hospital settings
Rationale: HMBANA milk banks serve hospitalized and community infants with
medical need.
5. A congenital deficiency of zinc in an infant can cause:
a) Congenital cataracts
b) GI sensitivity to artificial feeds
c) Failure to thrive and skin lesions
d) Forbes-Albright syndrome
Correct answer: c) Failure to thrive and skin lesions
Rationale: Zinc deficiency affects growth, immune function, and skin integrity.
6. As you walk into the hospital room to see Erin, you find her breastfeeding her
baby, chatting with a couple of friends, with her gown down around her waist and
her breasts exposed. Your response is to:
a) Ask the visitors to leave until Erin is finished nursing
b) Cover Erin and the infant with a baby blanket
c) Do and say nothing about the exposed breasts
d) Tell her to cover herself up, as there is no need to “whip it out”
Correct answer: c) Do and say nothing about the exposed breasts
Rationale: Breastfeeding is a normal activity. Respecting Erin’s autonomy and
comfort supports breastfeeding and avoids unnecessary shame or interruption.
3|Page
, CLC Practice Exam Prep Test Bank
7. The most important information to include in your breastfeeding class is:
a) A video showing how to latch a baby on the breast
b) Advantages of breastmilk
c) How dads can help with breastfeeding
d) Strategies for making breastfeeding easier
Correct answer: d) Strategies for making breastfeeding easier
Rationale: Practical strategies help parents overcome common challenges and
increase breastfeeding success and duration.
8. Susie is considering pregnancy for the first time. One supplement she should be
certain to include is:
a) Vitamin E
b) Vitamin D
c) Vitamin A
d) Vitamin C
Correct answer: b) Vitamin D
Rationale: Vitamin D is essential for maternal bone health and fetal development
and is commonly deficient.
9. Bertha, who is pregnant, asks when her breasts will stop getting bigger so she
can get new bras. You tell her that most pregnancy breast growth is usually
completed by week:
a) 18
b) 34
c) 29
d) 24
Correct answer: c) 29
Rationale: Most breast growth occurs by the late second trimester, although
changes may continue.
4|Page
CLC PRACTICE EXAM PREP TEST BANK LATEST 2025/2026 ACTUAL
EXAM COMPLETE 350 QUESTIONS AND CORRECT ANSWERS GRADED
A+ GUARANTEED PASS- ACE YOUR EXAM
DESCRIPTION
This exam is structured as a comprehensive, scenario-based assessment consisting
of 350 multiple-choice questions, designed to evaluate both theoretical knowledge
and clinical application. Questions are distributed across core lactation domains,
including maternal and infant anatomy and physiology, breastfeeding
management, infant growth and feeding assessment, medical and psychosocial
considerations, ethics and professional practice, and public health principles. A
significant portion of the exam uses clinical vignettes that require interpretation,
prioritization, and selection of the most appropriate intervention, reflecting real-
world IBCLC/CLC practice. All questions are single-best-answer MCQs (typically 4
options, with occasional 5-option items), emphasizing critical thinking rather than
recall. The exam balances foundational knowledge with advanced clinical
reasoning, ensuring assessment of safe, evidence-based lactation care across
diverse settings and populations.
1|Page
, CLC Practice Exam Prep Test Bank
1. Which infant is at risk for iron-deficiency anemia?
a) Infant weighing more than 3000 g at birth
b) Exclusively breastfed infant beyond 6 months
c) Breastfed infant whose mother lost 2 units of blood at delivery
d) Infant who is fed cow’s milk before one year of age
Correct answer: d) Infant who is fed cow’s milk before one year of age
Rationale: Cow’s milk is low in iron and can interfere with iron absorption and
cause GI blood loss.
2. Sixteen-year-old Trudy delivered her son at 29 weeks gestation and plans to
formula-feed. The most important reason to discuss breastfeeding is because:
a) The infant is NPO, giving time to change her mind
b) Adolescents usually lack breastfeeding role models
c) Many women choose to pump after learning benefits for preterm infants
d) Staff often assume adolescents will formula-feed
Correct answer: c) Many women choose to pump after learning benefits for
preterm infants
Rationale: Education about benefits for preterm infants often motivates mothers
to provide breast milk.
3. The whey protein component of milk that can decrease milk supply is known as:
a) Putrescine
b) Fractional proteins
c) Suppressor peptides
d) Feedback Inhibitor of Lactation (FIL)
Correct answer: d) Feedback Inhibitor of Lactation (FIL)
Rationale: FIL regulates milk production based on milk removal from the breast.
2|Page
, CLC Practice Exam Prep Test Bank
4. Milk banks that are members of the Human Milk Banking Association of North
America (HMBANA):
a) Use flash heating to pasteurize milk
b) Accept milk only from mothers without body piercings
c) Dispense milk inside and outside hospital settings
d) Provide milk only for preterm infants
Correct answer: c) Dispense milk inside and outside hospital settings
Rationale: HMBANA milk banks serve hospitalized and community infants with
medical need.
5. A congenital deficiency of zinc in an infant can cause:
a) Congenital cataracts
b) GI sensitivity to artificial feeds
c) Failure to thrive and skin lesions
d) Forbes-Albright syndrome
Correct answer: c) Failure to thrive and skin lesions
Rationale: Zinc deficiency affects growth, immune function, and skin integrity.
6. As you walk into the hospital room to see Erin, you find her breastfeeding her
baby, chatting with a couple of friends, with her gown down around her waist and
her breasts exposed. Your response is to:
a) Ask the visitors to leave until Erin is finished nursing
b) Cover Erin and the infant with a baby blanket
c) Do and say nothing about the exposed breasts
d) Tell her to cover herself up, as there is no need to “whip it out”
Correct answer: c) Do and say nothing about the exposed breasts
Rationale: Breastfeeding is a normal activity. Respecting Erin’s autonomy and
comfort supports breastfeeding and avoids unnecessary shame or interruption.
3|Page
, CLC Practice Exam Prep Test Bank
7. The most important information to include in your breastfeeding class is:
a) A video showing how to latch a baby on the breast
b) Advantages of breastmilk
c) How dads can help with breastfeeding
d) Strategies for making breastfeeding easier
Correct answer: d) Strategies for making breastfeeding easier
Rationale: Practical strategies help parents overcome common challenges and
increase breastfeeding success and duration.
8. Susie is considering pregnancy for the first time. One supplement she should be
certain to include is:
a) Vitamin E
b) Vitamin D
c) Vitamin A
d) Vitamin C
Correct answer: b) Vitamin D
Rationale: Vitamin D is essential for maternal bone health and fetal development
and is commonly deficient.
9. Bertha, who is pregnant, asks when her breasts will stop getting bigger so she
can get new bras. You tell her that most pregnancy breast growth is usually
completed by week:
a) 18
b) 34
c) 29
d) 24
Correct answer: c) 29
Rationale: Most breast growth occurs by the late second trimester, although
changes may continue.
4|Page
