Nutrition
15th Edition
ISBN: 9781337906371
Author: Sizer, Frances Sienkiewicz., WHITNEY, Ellie
Publisher: Cengage Learning,
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Question
Chapter 6, Problem 10SC
Summary Introduction
Interpretation:
Whether the statement ‘an example of a person in positive nitrogen balance is a pregnant woman, is true or false.
Concept Introduction:
Nitrogen is an element which is found in all plants as well as animal cell.
(1) Nitrogen equilibrium
(2) Positive nitrogen balance.
(3) Negative Nitrogen balance.
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It is normal for pregnant women and growing children to have a positive nitrogen balance.
True or False
C (i) above.
25. The following table shows energy requirements and nutrients of individuals
in different age groups and sexes;
Nutrients
Iron
Calcium
Occupation and Energy
age
Retired male
Protein
(mg)
Requirement
6400KJ
14200KJ
14900Kj
(mg)
(mg)
25
4.2
0.4
ason
110
16.6
1
senage boy
112
17.0
1.2
4,400KJ
Retired female
Pregnant house wife 10,300KJ
Teenage girl
2.1
0.1
1.5
11
16
110
24
9,800KJ
116
22.1
(a) Account for the differences in energy and nutrients requirements between:
(i) Teenage girl and teenage boy.
(ii) Retired female and pregmant house wife.
(iii) Retired male and mason.
b) Other than age and occupation, give other factors that influence energy
requirement in man.
c) State two functions in each case for calcium and iron in the body.
W2
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