Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

NUTR 337 > Micronutrients During Pregnancy > Flashcards

Micronutrients During Pregnancy Flashcards

1
Q

what kind of adaptations occur to accommodate calcium need?

A
  • increased intestinal absorption

- increased bioactive form of Vit D (role unclear)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

when is calcium requirement especially high?

A

last trimester when bone accretion primarily occurs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

calcium requirement (increases/decreases) with pregnancy

A

neither - there’s no evidence of decreasing bone mass with current Ca intakes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what kind of adaptations occur to accommodate phosphorous need?

A

increased absorption efficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

magnesium requirement (increases/decreases) with pregnancy

A

increases - increased urination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

concentration of Mg (increases/decreases) in a pregnant woman’s blood

A

decreases - bc of hemodilution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is considered in the Fe requirement of a pregnant woman?

A
  • fetal requirements
  • expansion of blood volume
  • increased storage iron
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

when do iron requirements go down?

A

first trimester - no menstruation means less Fe loss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what kind of adaptation does the body make to accommodate iron need in 2nd and 3rd trimester?

A

increased bioavailability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

consequences of anemia?

A
  • severe = perinatal maternal mortality

- moderate = 2x risk of maternal death

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

when is iron supplementation appropriate?

A

when pre-pregnant Fe stores are inadequate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

iron requirement (increases/decreases) with pregnancy

A

increases (from 18 to 27 mg/d)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

how was the AI for potassium set for pregnant women?

A

highest median intake

2.9 g/d

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

sodium requirement (increases/decreases) with pregnancy

A

increases, but slightly - to accommodate higher blood volume over 9 months

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

thiamin requirement (increases/decreases) with pregnancy

A

increases by 30%

1.4 mg/d

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

riboflavin requirement (increases/decreases) with pregnancy

A

increases - support growth in maternal and fetal compartments

1.4 mg/d

17
Q

niacin requirement (increases/decreases) with pregnancy

A

neither - no evidence for change, but because energy requirements go up you eat more

18 mg/d of NE

18
Q

B6 requirement (increases/decreases) with pregnancy

A

increases (esp last trimester) to accommodate metabolic needs of the mother, fetus, and placenta

1.9 mg/d

19
Q

folate requirement (increases/decreases) with pregnancy

A

increases by about 200ug/d

rda = 600 ug/d

20
Q

b12 requirement (increases/decreases) with pregnancy

A

increase due to fetal absorption

2.6 ug/d

21
Q

biotin requirement (increases/decreases) with pregnancy

A

mixed reviews

AI is kept the same at 30 ug/d

22
Q

choline requirement (increases/decreases) with pregnancy

A

increases to accommodate need during embryogenesis and perinatal development

450 mg/d

23
Q

what happens with insufficient choline?

A

liver damage bc lowered phosphatidyl choline tissue concentrations which doesn’t permit TG export through VLDL

24
Q

Pantothenic acid requirement (increases/decreases) with pregnancy

A

doesn’t change, but AI rounds up

6 mg/d

25
Q

vit c requirement (increases/decreases) with pregnancy

A

increases due to hemodilution

80-85 mg/d

UNLESS u smoke, then 2x vit c need

26
Q

vit A requirement (increases/decreases) with pregnancy

A

increases (mostly for last trimester)

750-770 ug RAE/d

27
Q

vit D requirement (increases/decreases) with pregnancy

A

neither - doesn’t seem to change status but supplements are viewed as fine

600IU (15 mcg)/d

28
Q

vit E requirement (increases/decreases) with pregnancy

A

neither - no evidence for deficiency state with current consumption

15 mg/d of a-tocopherol

29
Q

vit K requirement (increases/decreases) with pregnancy

A

neither - stays the same

AI is based on highest median intake

90 ug/d

30
Q

zinc requirement (increases/decreases) with pregnancy

A

gradually increases as pregnancy progresses
based on balance studies

EAR = 9.5 mg/d, RDA = 11 mg/d

adolescents +1

31
Q

iodine requirement (increases/decreases) with pregnancy

A

increased; based on radioactive studies

EAR = 160 ug/d
RDA = 220 ug/d
32
Q

what happens with deficient iodine during pregnancy?

A

miscarriage, stillbirth, birth defects, congenital hypothyroidism

33
Q

selenium requirement (increases/decreases) with pregnancy

A

increases

EAR = 49 ug/d
RDA = 60 ug/d
34
Q

copper requirement (increases/decreases) with pregnancy

A

increases; based on platelet concentration

EAR = 785-800 ug/d
RDA = 1000 ug/d
35
Q

Mn requirement (increases/decreases) with pregnancy

A

increased; based on balance studies. AI based on usual intakes in NA

AI = 2 mg/d

36
Q

chromium requirement (increases/decrease) with pregnancy

A

increases; AI based on average intakes

AI = 29-30 ug/d

37
Q

molybdenum requirement (increases/decreases) with pregnancy

A

increases due to higher body weight

EAR = 40 ug/d
RDA = 50 ug/d
38
Q

Fluoride requirement (increases/decreases) with pregnancy

A

stays the same; based on prevention of dental cavities

AI = 3 mg/d

NUTR 337 (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions