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Food And Nutrition Question Paper

Food And Nutrition

Course:Bachelor Of Science In Food Science

Institution: Kenyatta University question papers

Exam Year:2009

KKENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
SCIENCE AND BACHELOR OF EDUCATION

HFN 102:
FOOD AND NUTRITION
=================================================================
DATE: Wednesday, 25th November, 2009
TIME: 8.00 a.m. – 10.00 a.m.

INSTRUCTIONS:
This paper consists of TWO Sections. Section A and Section B.
Question 7 is compulsory

Section A (x/25) marks
1.
Define the following terms as used in nutrition.
a) Food
b) Dietetics
c) Nutrition
d) Nutrients
e) Monosaccharide
f) BMI

2.
Explain how sickle cell disease illustrates what happens when amino acids are out of
order
in
a
protein.
[2
marks]
3.
Explain the following functions of proteins in the diet.

a)
Maintaining fluid balance

b)
Contributing to acid – base balance.

[4 marks]
4.
Illustrate the dietary implication of consuming food that is rich in saturated fatty acid.

[4 marks]

Page 1 of 3

5.
Under nutrition is a common occurrence in the developing / under developed

countries, suggest five ways that these countries can use to alleviate under nutrition.

[5 marks]
6.
Malnutrition and HIV/ AIDs are invariable linked to each other. Explain the tragic

cycle of this link.

[5 marks]

Section B
7.
a)
Define RDA

[2 marks]
If the RDA table shows that a person’s daily RDA of energy is 10MJ, and the portion
size of the daily total diet is made up of the following 100% pure nutrients.
Protein 65g
Lipids 95g
Carbohydrates 311g
And it is decided that mackerel is to feature in the days menu to provide all the RDA
of protein(65 gms)

100gms of mackerel contains 19gms of protein

Calculate;

b)
Amount of mackerel needed to meet the protein RDA

[5 marks]

c)
If the lipid contain of this 100gm of mackerel is 12gms; calculate the amount

of lipid obtained from the portion of mackerel above.

[5 marks]
d)
Explain how the above individual can meet the extra energy needed to meet

the RDA without compromising the other RDA’s of the nutrients. [3 marks]

Page 2 of 3

8.
Esha is an audit. She weighed all the food item she had consumed during the

previous whole day and obtained the following results.
Bread -100gms
Boiled Eggs -100gms
Ugali -125gms
Fried fish -150gms
Beans -80gms
Chapati-125gms
a)
Find her total individual weight of protein, lipids, carbohydrates consumed

that day.

[6 marks]
b)
Calculate percentage of each nutrient in the diet.

[6 marks]
c)
Explain what is meant by a balanced diet.

[6 marks]
9.
a)
Name four criteria that may indicate that someone has a problem with alcohol.

[4 marks]

b)
Which two nutrients deficiencies are common in alcoholism?
[2 marks]

c)
Describe a method used in treating alcoholism listing its pros and cons.

[9 marks]
10.
a)
The medical history of a young girl who is greatly under weight shows that

she had three quarters of her small intestine removed after she was injured in a

car accident. Explain how this accounts for her underweight condition even

though her medical chart shows that she eats well.

[10 marks]

b)
Suggest how she can improve her weight using the diet.

[5 marks]

Page 3 of 3

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