CBS Cheat Sheet 2026

The 30 highest-yield CBS facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Foremilk differs from hindmilk primarily in its: → Fat content
2. The posterior surface of the breast lies on which muscle? → Pectoralis major
3. In breastfeeding anatomy, what is a 'lobule'? → A group of alveoli that drain into a common duct
4. Which term describes the complete cessation of milk production? → Agalactia
5. A CBS is providing anticipatory guidance to a pregnant woman about breastfeeding. Which topic is MOST important to address before delivery? → Normal newborn feeding frequency and early hunger cues
6. Which indicator would a CBS use to evaluate the SHORT-TERM effectiveness of a hospital breastfeeding support intervention? → Breastfeeding initiation rate before discharge
7. A newborn producing 6 or more wet diapers and 3 or more stools per day by day 4 of life most likely indicates: → Adequate milk intake and normal hydration
8. The alveoli in the mammary gland are lined primarily with: → Lactocytes (secretory epithelial cells)
9. When fitting flanges (breast shields) for a pump, what measurement is most important for proper fit? → Nipple diameter
10. Which of the following is a key principle of workplace safety in Certified Breastfeeding Specialist? → Reporting all near-misses and incidents
11. Which finding on an oral assessment is MOST associated with difficulty achieving a deep latch? → High, narrow palate arch
12. Which approach best supports quality outcomes in Emergency Procedures & Response for Certified Breastfeeding Specialist? → Systematic application of evidence-based methods
13. A breastfed infant who consistently falls asleep at the breast within 2–3 minutes without adequate milk transfer is most likely experiencing: → Sleepiness related to ineffective latch or low milk flow requiring further assessment
14. Which statement about iron in human breast milk is accurate? → Iron in human milk is highly bioavailable (approximately 50%) due to lactoferrin
15. What hormone is primarily responsible for milk production in breastfeeding? → Prolactin
16. When a CBS refers a client to another healthcare professional, which of the following is MOST important to communicate? → Relevant clinical information with the client's consent to ensure continuity of care
17. Which organization publishes the International Code of Marketing of Breast-milk Substitutes that lactation support programs must follow? → World Health Organization (WHO)
18. A CBS is working with a mother who has type 1 diabetes. Which breastfeeding-related concern is MOST specific to this population? → Blood glucose fluctuations during and after feeding requiring dose adjustments
19. What should be done if a mother experiences pain while breastfeeding? → Adjust the baby’s latch and positioning
20. A mother at 3 weeks postpartum reports her breasts 'never feel full.' The MOST important assessment finding to document first is: → Current infant weight and weight gain trajectory since birth
21. Which term describes the cluster of milk-producing cells at the end of each duct branch? → Alveolus
22. What is the significance of the 'feeding cue hierarchy' in newborn assessment? → It helps caregivers identify early hunger cues before crying escalates
23. Which sign most reliably indicates adequate milk transfer during a breastfeeding session? → Baby shows audible swallowing and appears satisfied after feeding
24. Which sensory ability is most well-developed in a newborn and directly supports breastfeeding success? → The sense of smell, particularly recognizing the mother's breast odor
25. Which behavioral state is most conducive to successful breastfeeding in a newborn? → Quiet alert state
26. The National Breastfeeding Helpline in the US (1-800-994-9662) is administered by which agency? → Office on Women's Health (OWH), U.S. Department of Health and Human Services
27. Which federal U.S. law protects a mother's right to breastfeed in any federal building or on federal property? → The Fairness for Breastfeeding Mothers Act of 2019
28. What is the role of documentation in Medical Terminology & Anatomy for Certified Breastfeeding Specialist? → It provides an accurate record for accountability and reference
29. A mother reports that her baby makes clicking sounds during breastfeeding. What is the most likely cause? → Poor tongue positioning or tongue tie
30. When providing safe sleep education to a breastfeeding family, which recommendation is consistent with AAP safe sleep guidelines? → Infants should sleep on their back on a firm, flat surface separate from the parents' bed