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Iph2211:Food Inspection Question Paper

Iph2211:Food Inspection

Course:Bachelor Of Science In Public Health

Institution: Meru University Of Science And Technology question papers

Exam Year:2011

INSTRUCTIONS: Answer all questions in section A and any two questions in Section B
SECTION A
QUESTION ONE (30 MARKS)
a) Define the following terms and phrases as used in reference to food toxicology.
(6 Marks)
i. Food spoilage
ii. Toxicology
iii. Dose-response
iv. Threshold dose
v. Toxicokinetics
vi. A “sensitive sub-population”
b) Explain microbiological spoilage of food. (6 Marks)
c) Describe any three natural toxins found in food crops. (6 Marks)
d) Using three examples for each, describe toxicity from excess intake of vitamins and
minerals. (6 Marks)
e) Describe manifestation of a food allergy. (6 Marks)
SECTION B
QUESTION TWO (20 MARKS)
Food additives are part and parcel of processed food with about 3000 of them in current use;
a) Define a food additive. (2 Marks)
b) Describe any five categories of food additives. (10 Marks)
c) Discuss use of nitrite in cured meat and its safety concerns. (8 Marks)
2
QUESTION THREE (20 MARKS)
Discuss;
a) Sources of chemical contaminants in foods. (10 Marks)
b) Food contamination and poisoning by lead. (10 Marks)
QUESTION FOUR (20 MARKS)
Illnesses arising from consumption of contaminated food are of major public health concern
today;
a) Describe the types of foodborne illnesses according to mode of infection. (8 Marks)
b) Foodborne pathogenic E. coli are grouped into four categories according to virulence
properties, clinical symptoms, differences in epidemiology, and distint O:H antigens
describe these four groups. (12 Marks)

Iph2211:Food Inspection Question Paper

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