Section 2 test

Question 1

The protein and fat content of milk are specific to what

Answer 1

the human species

Question 2

When colostrum is compared to human milk, what is true of immunoglobulins?

Answer 2

Colostrum contains larger amounts of immunoglobulins

Question 3

What are the four main components of whey protein?

Answer 3

• Lacroferrin
• lysozyme
• alpha-lactalbumin
• immunoglobulins

Question 4

What is the ratio of whey to casein in mature milk?

Answer 4

60:40

Question 5

Casein proteins form

Answer 5

a tough, less digestible curd that requires an increased amount of energy to digest

Question 6

What is the main component of human milk fat?

Answer 6

Triglycerides

Question 7

What are the most varied compound in human milk?

Answer 7

lipids

Question 8

Lipase breaks down what?

Answer 8

long-chain fatty acids

Question 9

Lactose is an osmotic agent that regulates

Answer 9

milk volume

Question 10

What are the monosaccharides that form the disaccharaide lactose?

Answer 10

glucose and galactose

Question 11

A lactating woman requires a 30% increase in dietary

Answer 11

carbohydrates

Question 12

What is the principal immunoglobulin in colostrum and mature milk?

Answer 12

Secretory IgA

Question 13

What is the predominant intestinal flora of the breast fed infant?

Answer 13

Lactobacillus bifidus

Question 14

What is lactoferrin?

Answer 14

a bacteriostatic iron-binding protein

Question 15

What is lysozyme’s function?

Answer 15

bacteriostatic and anti-inflammatory actions

Question 16

What is SIgA?

Answer 16

an immunoglobulin synthesized and stored in breast tissue

Question 17

SIgA is highest in what type of milk?

Answer 17

colostrum

Question 18

After colostrum production ends, what happens to SIgA?

Answer 18

maintains the same level throughout the first year of breastfeeding

Question 19

High levels of lactose promote absorption of what?

Answer 19

calcium and iron

Question 20

Amylase is necessary for the digestion of

Answer 20

starch

Question 21

When compared to mature milk, how much Vitamin A does colostrum contain?

Answer 21

Twice as much vitamin A as mature milk

Question 22

Pasteurization of human milk will most likely affect what factors?

Answer 22

Antibacterial factors

Question 23

Compared to human milk, colostrum contains higher concentration of what?

Answer 23

• Sodium
• Chloride
• vitamin A

Question 24

Vitamin K is necessary for

Answer 24

blood clotting

Question 25

Vitamin D is essential in the prevention of

Answer 25

rickets

Question 26

What are examples of atopic diseases?

Answer 26

Exczema food allergies

Question 27

What type of lymphocytes are found in human milk?

Answer 27

both T and B

Question 28

are leukocytes found in pasteurized milk.

Answer 28

No

Question 29

Infants can receive antibody protection even when

Answer 29

they have not been directly exposed to an antigen.

Question 30

Lactalbumin is a component of

Answer 30

whey protein

Question 31

Is lactoferrin present in cow's milk?

Answer 31

no

Question 32

What is interferon's role?

Answer 32

Antiviral

Question 33

WHO and UNICEF advise breastfeeding of infants up to

Answer 33

1 year of age

Question 34

A child’s immune system is not fully developed until about age

Answer 34

5

Question 35

During pregnancy the mother passes antibodies to the fetus through

Answer 35

the placenta

Question 36

Can leukocytes withstand pasteurization?

Answer 36

no

Question 37

Alpha-lactalbumin is part of a chemical reaction tha

Answer 37

transforms galactose and glucose to lactose

Question 38

Fat-soluble vitamins in breastmilk are influenced by

Answer 38

maternal diet

Question 39

a process that engulfs and absorbs pathogens

Answer 39

phagocytosis

Question 40

are called cell-mediated immunity

Answer 40

lymphocytes

Question 41

is a bactericidal

Answer 41

lysozyme

Question 42

blocks antigens in the urinary and gastrointestinal tracts

Answer 42

oligosaccharide

Question 43

contributes to the low pH of stools of the breastfed infant

Answer 43

bifidus factor

Question 44

living white blood cells in human milk that provide active and passive immunity

Answer 44

leukocytes

Question 45

a bacteriostatic iron-binding protein

Answer 45

lactoferrin

Question 46

produce lactoferrin, lysozyme, and release SIgA

Answer 46

macrophages

Question 47

phagocytic leukocytes

Answer 47

neutrophils

Question 48

discourages the growth of Gram- negative bacteria

Answer 48

Lactobacillus bifidus

Question 49

kills Streptococcus

Answer 49

lactoperoxidase

Question 50

the most significant and predominant immunoglobulin in human milk

Answer 50

SIgA

Question 51

a leukocyte that destroys pathogens by phagocytosis

Answer 51

phagocytes

Question 52

produce IgA and interferon

Answer 52

lymphocytes

Question 53

the principal protein in human milk, which forms soft, easily digested curds

Answer 53

whey

Question 54

stimulates the uptake of glucose into the cells of the mammary gland

Answer 54

insulin

Question 55

is thought to play a role in the final preparation of the breast for lactogenesis

Answer 55

progesterone

Question 56

a specific whey protein that is the catalyst for lactose synthesis

Answer 56

lactalbumin

Question 57

milk proteins are formed from these

Answer 57

amino acids

Question 58

a disaccharide found only in milk

Answer 58

lactose

Question 59

an iron-binding whey protein that inhibits growth of iron-dependentbacteria in the infant’s gastrointestinal tract

Answer 59

lactoferrin

Question 60

an anabolic process that involves only glucose

Answer 60

lactose synthesis

Question 61

necessary for lactose synthesis

Answer 61

glucose