Which hormonal change directly initiates lactogenesis II after childbirth?
A. Decrease in prolactin
B. Decrease in estrogen
C. Decrease in progesterone and estrogen
D. Decrease in oxytocin
C. Decrease in progesterone and estrogen
Milk is not produced in significant amounts during pregnancy primarily because:
A. Prolactin levels are low
B. Oxytocin is inhibited
C. Estrogen and progesterone inhibit lactation
D. The mammary glands are not developed
C. Estrogen and progesterone inhibit lactation
Which hormone is primarily responsible for milk ejection during breastfeeding?
A. Prolactin
B. Estrogen
C. Oxytocin
D. Progesterone
C. Oxytocin
Which hormone is primarily responsible for milk production during breastfeeding?
A. Prolactin
B. Estrogen
C. Oxytocin
D. Progesterone
A. Prolactin
Epinephrine and norepinephrine has the action of being:
A. Stimulatory
B. Inhibitory
B. Inhibitory
Which type of milk is produced from the first day up to the fifth day after delivery?
A. Human mature milk
B. Transitional milk
C. Colostrum
D. Foremilk
C. Colostrum
The dominant protein component of colostrum that provides immune protection is:
A. Casein
B. Lactalbumin
C. IgA
D. β-lactoglobulin
C. IgA
Which carbohydrate is the major and dominant sugar in human breast milk?
A. Sucrose
B. Maltose
C. Lactose
D. Fructose
C. Lactose
Lactose in human milk is especially important for brain development because galactose is used for the synthesis of:
A. Glycogen
B. Cerebrosides
C. Ketone bodies
D. Cholesterol
B. Cerebrosides
Human milk protein content is lower than cow’s milk primarily because:
A. Human milk lacks casein
B. Infants have immature renal function
C. Whey proteins are poorly absorbed
D. Casein causes allergies
B. Infants have immature renal function
Which protein in human milk enhances iron absorption and inhibits growth of pathogenic bacteria?
A. Lysozyme
B. Lactoferrin
C. Casein
D. Serum albumin
B. Lactoferrin
The predominant protein fraction in human milk is:
A. Casein
B. Whey
C. Albumin
D. β-lactoglobulin
B. Whey
Which protein found in cow’s milk is responsible for most milk allergies?
A. IgG
B. Lactoferrin
C. α-lactalbumin
D. β-lactoglobulin
D. β-lactoglobulin
The most variable component of human milk, influenced by maternal diet and time of day, is:
A. Protein
B. Lactose
C. Fat
D. Minerals
C. Fat
Hindmilk differs from foremilk in that hindmilk has:
A. Lower fat and higher protein
B. Higher fat and lower protein
C. Higher lactose and lower fat
D. Higher mineral content
B. Higher fat and lower protein
Iron-deficiency anemia is uncommon in breastfed infants mainly because human milk:
A. Contains high iron levels
B. Has higher mineral ash content
C. Contains lactoferrin
D. Is supplemented with iron
C. Contains lactoferrin
Routine ____ administration is recommended in newborns because human milk is low in:
A. Vitamin A
B. Vitamin D
C. Vitamin E
D. Vitamin K
D. Vitamin K
Which formula is most appropriate for infants with lactose intolerance or galactosemia?
A. Premium formula
B. High-protein formula
C. Soy protein formula
D. Premature formula
C. Soy protein formula
Premature formulas contain medium-chain triglycerides (MCTs) primarily because they:
A. Increase sweetness
B. Improve calcium absorption
C. Are easier to digest and absorb
D. Prevent allergies
C. Are easier to digest and absorb
One major short-term benefit of breastfeeding for the mother is:
A. Increased estrogen levels
B. Enhanced uterine involution
C. Increased bone density
D. Increased milk protein synthesis
B. Enhanced uterine involution
Which long-term maternal benefit is associated with breastfeeding?
A. Reduced risk of osteoporosis
B. Reduced cardiovascular disease
C. Reduced risk of breast and ovarian cancer
D. Reduced risk of type 1 diabetes
C. Reduced risk of breast and ovarian cancer
Breast tissues revert back
a. alveolar proliferation
b. lactogenesis I
c. lactogenesis II
d. lactogenesis III / lactation
e. involution
e. involution
Colostrum is produced until
transitional milk
a. alveolar proliferation
b. lactogenesis I
c. lactogenesis II
d. lactogenesis III / lactation
e. involution
c. lactogenesis II
No milk removal
a. alveolar proliferation
b. lactogenesis I
c. lactogenesis II
d. lactogenesis III / lactation
e. involution
e. involution