Certified Lactation Specialist Lactation Specialist Clinical Tools & Breastfeeding Devices 2 — Questions and Answers
Question 1: When fitting a breast pump flange, what measurement is used to determine the correct tunnel size?
- Areola diameter
- Nipple diameter at the base (Correct answer)
- Breast volume
- Duct orifice count
Correct answer: Nipple diameter at the base
Flange tunnel size is matched to the nipple diameter at the base, typically adding 2–3 mm for comfort and effective milk removal.
Question 2: A mother reports that her nipple turns white after pumping and she experiences burning pain. The most appropriate intervention is to:
- Increase pump suction to empty the breast faster
- Evaluate for Raynaud's phenomenon and check flange fit (Correct answer)
- Switch to hand expression only
- Apply lanolin cream inside the flange tunnel
Correct answer: Evaluate for Raynaud's phenomenon and check flange fit
White nipple with burning pain after pumping suggests Raynaud's phenomenon and/or flange trauma; both flange fit and vasospasm should be assessed.
Question 3: Which pump setting should be adjusted first when a mother reports low milk output with a hospital-grade electric pump at maximum suction?
- Increase cycle speed to mimic letdown
- Decrease suction and optimize cycle speed for comfort (Correct answer)
- Add a second pumping session immediately after
- Replace membranes with thicker silicone
Correct answer: Decrease suction and optimize cycle speed for comfort
Maximum suction is rarely optimal; reducing suction to the highest comfortable level and adjusting cycle speed typically yields better milk transfer.
Question 4: A nipple shield is MOST appropriately used for which clinical situation?
- Correcting inverted nipples permanently
- Facilitating latch in a preterm infant with weak suck (Correct answer)
- Increasing milk supply in low producers
- Preventing mastitis in mothers with cracked nipples
Correct answer: Facilitating latch in a preterm infant with weak suck
Nipple shields are best supported by evidence for helping preterm or weak-sucking infants achieve and maintain latch at the breast.
Question 5: What is the primary disadvantage of using a nipple shield without close follow-up?
- It permanently alters nipple shape
- It may reduce milk transfer and lead to inadequate infant intake (Correct answer)
- It causes milk oversupply due to prolonged stimulation
- It increases the risk of breast abscess formation
Correct answer: It may reduce milk transfer and lead to inadequate infant intake
Nipple shields can reduce milk transfer efficiency, risking inadequate intake and potentially decreasing supply without regular weight checks.
Question 6: A supplemental nursing system (SNS) at the breast is indicated when:
- A mother wants to exclusively bottle-feed expressed milk
- A baby needs supplementation while maintaining breast stimulation (Correct answer)
- The mother's milk supply is sufficient but the infant prefers bottles
- The infant is past 6 months and beginning complementary foods
Correct answer: A baby needs supplementation while maintaining breast stimulation
An SNS delivers supplement through a thin tube at the breast so the infant feeds at the breast while receiving additional nutrition, preserving breast stimulation.
Question 7: When teaching a mother to use a manual breast pump, which technique maximizes milk output?
- Pumping both breasts simultaneously for 5 minutes total
- Applying steady continuous suction without release cycles
- Using short rapid compressions during letdown, then slower long pulls (Correct answer)
- Warming the flange with hot water immediately before each session
Correct answer: Using short rapid compressions during letdown, then slower long pulls
Mimicking the infant's two-phase suck pattern—rapid stimulation at letdown followed by slow nutritive pulls—optimizes milk output with a manual pump.
Certified Lactation Specialist Lactation Specialist Clinical Tools & Breastfeeding Devices 2
When fitting a breast pump flange, what measurement is used to determine the correct tunnel size?