CERTIFIED LACTATION CONSULTANT (CLC) COMPREHENSIVE
PRACTICE EXAM LATEST UPDATED 2026/2027 ACTUAL
FINAL EXAM
Introduction
Certified Lactation Counselor (CLC) Comprehensive Practice Exam Questions covers
topics including lactation physiology, positioning/latch, milk supply, breast/nipple
problems, expression, nutrition, special circumstances, counseling, public-health
strategies, and professional ethics.
**1. Which hormone is primarily responsible for milk synthesis?**
A. Oxytocin
B. Prolactin
C. Estrogen
D. Progesterone
**Answer: B**
**2. Which hormone is primarily responsible for milk ejection?**
A. Prolactin
B. Estrogen
C. Oxytocin
D. Progesterone
**Answer: C**
**3. Which finding best indicates an effective latch?**
,A. Infant's lips tightly pursed
B. Clicking throughout the feeding
C. Wide-open mouth with lips flanged outward
D. Infant sucking primarily on the nipple
**Answer: C**
**4. A mother reports persistent nipple pain throughout an entire feeding. What
should the counselor assess first?**
A. Maternal calcium intake
B. Infant's latch and positioning
C. Mother's exercise routine
D. Infant's sleep schedule
**Answer: B**
**5. The primary function of the alveoli is to:**
A. Store maternal hormones
B. Produce milk
C. Transport oxygen
D. Produce saliva
**Answer: B**
**6. Myoepithelial cells assist breastfeeding by:**
A. Producing prolactin
,B. Contracting around alveoli during milk ejection
C. Producing antibodies in the infant
D. Digesting lactose
**Answer: B**
**7. Which practice most directly supports establishment of breastfeeding
immediately after birth?**
A. Routine separation of mother and infant
B. Early skin-to-skin contact
C. Scheduled formula supplementation
D. Delaying the first feeding
**Answer: B**
**8. Colostrum is best described as:**
A. Mature milk produced after 6 months
B. Early milk that is relatively concentrated and immunologically active
C. Milk produced only after formula supplementation
D. Milk with no protein
**Answer: B**
**9. Which observation most strongly suggests milk transfer?**
A. Infant's fists are closed
B. Audible swallowing
, C. Infant's eyes are closed
D. Mother feels thirsty
**Answer: B**
**10. Which behavior is most consistent with ineffective sucking?**
A. Deep rhythmic sucking
B. Audible swallowing
C. Light, rapid flutter sucking with little swallowing
D. Wide mouth with flanged lips
**Answer: C**
**11. The main goal of positioning the infant correctly is to:**
A. Make the mother sit upright
B. Facilitate effective latch and milk transfer
C. Prevent all infant movement
D. Keep the infant's head turned away from the breast
**Answer: B**
**12. During breastfeeding, the infant's ear, shoulder, and hip should generally be:**
A. In different planes
B. Aligned
C. Rotated away from the mother
D. Completely flexed
PRACTICE EXAM LATEST UPDATED 2026/2027 ACTUAL
FINAL EXAM
Introduction
Certified Lactation Counselor (CLC) Comprehensive Practice Exam Questions covers
topics including lactation physiology, positioning/latch, milk supply, breast/nipple
problems, expression, nutrition, special circumstances, counseling, public-health
strategies, and professional ethics.
**1. Which hormone is primarily responsible for milk synthesis?**
A. Oxytocin
B. Prolactin
C. Estrogen
D. Progesterone
**Answer: B**
**2. Which hormone is primarily responsible for milk ejection?**
A. Prolactin
B. Estrogen
C. Oxytocin
D. Progesterone
**Answer: C**
**3. Which finding best indicates an effective latch?**
,A. Infant's lips tightly pursed
B. Clicking throughout the feeding
C. Wide-open mouth with lips flanged outward
D. Infant sucking primarily on the nipple
**Answer: C**
**4. A mother reports persistent nipple pain throughout an entire feeding. What
should the counselor assess first?**
A. Maternal calcium intake
B. Infant's latch and positioning
C. Mother's exercise routine
D. Infant's sleep schedule
**Answer: B**
**5. The primary function of the alveoli is to:**
A. Store maternal hormones
B. Produce milk
C. Transport oxygen
D. Produce saliva
**Answer: B**
**6. Myoepithelial cells assist breastfeeding by:**
A. Producing prolactin
,B. Contracting around alveoli during milk ejection
C. Producing antibodies in the infant
D. Digesting lactose
**Answer: B**
**7. Which practice most directly supports establishment of breastfeeding
immediately after birth?**
A. Routine separation of mother and infant
B. Early skin-to-skin contact
C. Scheduled formula supplementation
D. Delaying the first feeding
**Answer: B**
**8. Colostrum is best described as:**
A. Mature milk produced after 6 months
B. Early milk that is relatively concentrated and immunologically active
C. Milk produced only after formula supplementation
D. Milk with no protein
**Answer: B**
**9. Which observation most strongly suggests milk transfer?**
A. Infant's fists are closed
B. Audible swallowing
, C. Infant's eyes are closed
D. Mother feels thirsty
**Answer: B**
**10. Which behavior is most consistent with ineffective sucking?**
A. Deep rhythmic sucking
B. Audible swallowing
C. Light, rapid flutter sucking with little swallowing
D. Wide mouth with flanged lips
**Answer: C**
**11. The main goal of positioning the infant correctly is to:**
A. Make the mother sit upright
B. Facilitate effective latch and milk transfer
C. Prevent all infant movement
D. Keep the infant's head turned away from the breast
**Answer: B**
**12. During breastfeeding, the infant's ear, shoulder, and hip should generally be:**
A. In different planes
B. Aligned
C. Rotated away from the mother
D. Completely flexed
