Iph2300:Human Nutrition Question Paper
Iph2300:Human Nutrition
Course:Bachelor Of Science In Public Health
Institution: Meru University Of Science And Technology question papers
Exam Year:2010
INSTRUCTIONS: Answer questions one in section A and any other two questions in section B
SECTION A
QUESTION ONE - (30 MARKS)
a) Define the following terms: (5 Marks)
i. Metabolism
ii. Anthropometry
iii. Osmolality
iv. Calorie
v. Third spacing
b) John consumed 31g of carbohydrates, 17g of fat, 20g of protein and 250ml glass of beer.
How many calories did he consume? (5 Marks)
c) Explain five factors that determine energy requirements. (5 Marks)
d) Highlight three co-factors that support digestion and absorption processes.
(5 Marks)
e) Describe the mechanisms that regulate intake and exit of food in the stomach.
(5 Marks)
f) The small intestine is the primary site for digestion and absorption of nutrients. Describe
its anatomical structure that enables it to carry out its functions effectively.
(3 Marks)
g) Discuss four vitamins that play a role in metabolism. (4 Marks)
2
SECTION B
QUESTION TWO – (20 MARKS)
a) Discuss in detail four methods of direct assessment of nutrition status. (8 Marks)
b) Explain in detail two classifications of protein energy malnutrition (PEM). (8 Marks)
c) Describe four factors that lead to nutrient inadequacy. (4 Marks)
QUESTION THREE – (20 MARKS)
a) Discuss five characteristics of each of the following groups of vitamins.
i. Water soluble (5 Marks)
ii. Fat soluble (5 Marks)
b) Discuss Niacin deficiency under the following subtopics:
i. Causes (3 Marks)
ii. Early signs and symptoms. (3 Marks)
iii. Signs and symptoms of prolonged deficiency. (4 Marks)
QUESTION FOUR – (20 MARKS)
a) Explain five functions of water. (5 Marks)
b) Explain the differences between the following terms:
i. Osmotic pressure (3 Marks)
ii. Oncotic pressure (3 Marks)
c) State four physiologic body functions of electrolytes. (4 Marks)
d) Discuss the major cations and anion of extracellular fluid. (5 Marks)
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