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Lactation College Questions with complete solution 2023
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Lactation College Questions with complete solution 2023
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Lactation College (IBCLC Exam)The secretion of colostrum begins at approximately how many weeks' gestation? - correct answer 16 weeks
The primary function of colostrum is a protective one. Colostrum provides protection by coating the infant's gut and blocking pathogens from adhering to the cells and gaining entry into infant's system. - correct answer True
In the first 24 hours after birth, the average amount of colostrum produced is: - correct answer 37 mL
As compared to mature human milk, colostrum contains: - correct answer Higher concentrations of protein
When are levels of human milk secretory IgA the highest? - correct answer In the first 24 hours after birth
Human milk oligosaccharides (HMOs) - correct answer All of the above
Breast milk is a sterile product. - correct answer False
The main immunoglobulin (antibody) found in human milk is: - correct answer IgA (in the form of secretory IgA)
The whey to casein ratio in colostrum is - correct answer 90:10
Colostrum contains approximately 5 million living cells per mL. Which type cell makes up 90% of the white blood cells found in colostrum? - correct answer Macrophages
The time when a woman's milk "comes in" is highly variable but the average time is: - correct answer 50-59 hours
Following the birth of the baby, the delivery of the placenta leads to a drop in: - correct answer Insulin
Medications taken by the mother pass more easily into colostrum than mature milk because of gaps between lactocytes. These gaps tighten up by the time mature milk is produced. - correct answer True
Colostrum contains abundant amounts of protein, mostly secretory IgA. Colostrum does
contain fat, just not as much as mature milk. - correct answer True (Fat in colostrum = 2-3 grams/100 mL Lactose is a disaccharide, meaning it is made up of two sugars. The two sugars are: - correct answer Glucose and galactose
The milk of what mammal contains the highest amount of lactose? - correct answer Human
Lactose is made from glucose in the blood. Where does the synthesis of lactose that is found in human milk occur? - correct answer In the lactocytes in the breast tissue
Lactose is the most stable component of mature human milk. - correct answer True
The enzyme that breaks down lactose is: - correct answer Lactase
Approximately how many HMOs have been identified in human milk? - correct answer 200
Where are the HMOs that are found in human milk made? - correct answer In the lactocytes in the breast tissue
A compound in food that induces the growth or activity of beneficial bacteria in the gut microbiome is called: - correct answer Prebiotic
Human milk oligosaccharides (HMOs): - correct answer All of the above
HMOs are believed to protect premature infants from necrotizing enterocolitis (NEC). - correct answer True
Human milk is composed of 85% water. After that, the most abundant components in human milk are: - correct answer #1 lactose, #2 lipids, #3 HMOs
13. Lactose and human milk oligosaccharides both provide 4 kcal of energy per gram. - correct answer That is a false statement.
Which carbohydrate is found in human milk? - correct answer All of the above
The whey to casein ratio in colostrum is: - correct answer 90:10
The whey to casein ratio in mature human milk is: - correct answer 60:40
The whey to casein ratio in weaning human milk is: - correct answer 50:50
The whey to casein ratio in bovine (cow) milk (before any whey is added) is: - correct answer 20:80
Why is the milk from a cow white? - correct answer This is due to the high amount of casein in the milk combining with phosphoproteins.
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