[RECALLS] PRELIMS - BIOCHEMISTRY AMINO ACID AND BREAST MILK

Question 1

Bigger breasts equal to greater production of breast milk

Answer 1

False?

Question 2

Rate of sucking

Answer 2

1 suck per second

Question 3

Breast milk is sole source of nutrition for first year of life

Answer 3

False

*Only first 6 months

Question 4

CNS regulated, amount of milk produced is regulated by:

Answer 4

Prolactin

Question 5

If left standing, the layer that forms on top of the breast milk is the

Answer 5

Cream layer

Question 6

Daily human milk production

Answer 6

750-1000 mL

Question 7

The bulk of breast milk is called the:

Answer 7

Whey portion

Question 8

Copious milk secretion during the first four days is

Answer 8

Colostrum?

Mature milk?

Question 9

Main cellular mechanism for milk synthesis and secretion.

Answer 9

Exocytosis

Question 10

Milk fat globules are released by

Answer 10

Budding

Question 11

IgA is secreted through:

Answer 11

Transyctosis

Question 12

Major inhibitor of milk secretion

Answer 12

Progesterone

Question 13

Placenta needs to be removed for milk secretion to occur

Answer 13

True

Question 14

More preferred pathway

Answer 14

Omega 3

Question 15

Gold standard of breast milk

Answer 15

DHA (0.3%)

ARA (0.5-0.6%)

Question 16

T cell maturation and

response to vaccines

Answer 16

Nucleotides

Question 17

Detergent effect on lysis of bacteria

Answer 17

FFA

Question 18

Malunggay

Answer 18

effective only with full

stimulation of breast

Question 19

It is better to smoke and breast feed, than to smoke and not breast feed

Answer 19

True

Question 20

Proteins are composed of:

Answer 20

L alpha amino acids

Question 21

Carbon to which carboxyl group is attached

Answer 21

Alpha carbon

Question 22

Nucleus of amino acid is

Answer 22

alpha carbon

Question 23

All amino acids are assymetrical except

Answer 23

glycine

Question 24

At physiological pH, the only group not ionized is:

Answer 24

hydrogen

Question 25

Amino acids can be

Answer 25

L/D alpha amino acids

Question 26

They give the unique structure and function to amino acids

Answer 26

R group or side chain

Question 27

Hydrophilic amino acid

Answer 27

Glycine

Question 28

Hydrophilic, polar, negative charge at physiologic pH

Answer 28

acidic amino acid

Question 29

Valine differs from threonine in that

Answer 29

hydroxyl group is replaced by methyl

Question 30

Oxidation product of thiol group adjacent with cys

Answer 30

Disulfide bond?

Question 31

Amino acid with indole functional group on beta chain electronegative atom

Answer 31

Tryptophan

Question 32

Transfer of nitrogen from peripheral tissues to liver

Answer 32

Alanine

Question 33

Which is a non-essential amino acid:

Answer 33

Tyrosine

Question 34

Main storage form of nitrogen and prominent circulation amino acid

Answer 34

Glutamine

Question 35

Last step in serine formation

Answer 35

Dephosphorlyation

Question 36

21st amino acid

Answer 36

Selenocysteine

Question 37

Common precursor for serine

Answer 37

3-phosphoglycerate

Question 38

Irreversible reaction

Answer 38

Phenylalanine to tyrosine

Question 39

Requirement for lysine to hydroxylysine and proline to hydroxyproline reaction

Answer 39

Ascorbate/ascorbic acid

Question 40

Alanine with phenyl substituent

Answer 40

Phenylalanine

Question 41

Amino acid with indole functional group

Answer 41

Tryptophan

Question 42

Phenylalanine with aromatic OH group

Answer 42

Tyrosine

Question 43

Amino acid with guanidine group

Answer 43

Arginine

Question 44

pH at which there is no net charge

Answer 44

Isoelectric pH

Question 45

Amide linkages from condensation of a carboxyl and a-amino group of
amino acid

Answer 45

Peptide bond