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Fond 121: Principles Of Human Nutrition Question Paper

Fond 121: Principles Of Human Nutrition

Course:Bachelor Of Science

Institution: Chuka University question papers

Exam Year:2013

CHUKA

UNIVERSITY

UNIVERSITY EXAMINATIONS
FIRST YEAR EXAMINATION FOR THE AWARD OF DEGREE OF
BACHELOR OF SCIENCE (PSYCHOLOGY)

FOND 121: PRINCIPLES OF HUMAN NUTRITION

STREAMS: B.Sc (PSYCHOLOGY) Y1S2 TIME: 2 HOURS

DAY/DATE: WEDNESDAY 14/8/2013 11.30AM – 1.30 PM
INSTRUCTIONS:

• Answer All questions in Section A and Any Two in Section B.
• Use illustrations where appropriate to enhance your answers.

Section A (30 Marks)

1. (a) Complete the table below to show the elements supplied to the body by different nutrients, and the amount of energy each provides. [4 marks]

Class of Nutrient Elements Amount of energy (kcal g-1)
Proteins
Carbohydrates
Lipids
Alcohol

(b) Define the term essential nutrient. [1 mark]

(c) Enumerate the characteristics of an essential nutrient. [3 marks]

(d) Give one situation during which the body has a higher protein need and explain why. [2 marks]

2. (a) Briefly explain the benefits of consuming plant proteins rather than animal proteins. [3 marks]

(b) Explain why an infant must not be fed on honey. [2 marks]

3. (a) Give two functions of each of the following organs

(i) liver [1 mark]

(ii) pancreas [1 mark]

4. (a) Explain how omega-3 and omega-9 fatty acids differ with respect to their availability to the body. [2 marks]

(b) Briefly describe how cirrhosis of the liver develops in an individual as a result of alcohol overconsumption. [3 marks]

5. Citing examples, briefly explain whether the risk of obesity is increased by genetic or environmental factors. [5 marks]

Section B (40 Marks)

6. Discus the effects of vitamin A deficiency in the human body. [20 marks]

7. Discuss the causes, symptoms and treatment of food alergies. [20 marks]

8. Explain the functions of triglycerides in the body. [20 marks]

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Fond 121: Principles Of Human Nutrition Question Paper

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