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Pmt329: Environmental Health And Toxicology Question Paper

Pmt329: Environmental Health And Toxicology

Course:Bachelor Of Science In Public Health

Institution: Maseno University question papers

Exam Year:2016

MASENO UNIVERSITY

UNIVERSITY EXAMINATIONS 2015/2016

THIRD YEAR SECOND SEMESTER EXAMINATION FOR THE DEGREE
OF BACHELOR OF SCIENCE IN PUBLIC HEALTH WITH
INFORMATION TECHNOLOGY

MAIN CAMPUS

PMT 329: ENVIRONMENTAL HEALTH AND TOXICOLOGY

Date: 28th April, 2016 Time: 8.30 - 10.30am

INSTRUCTIONS:
Answer ALL Questions in Section A and any other TWO question from Section B

MASENO UNIVERSITY ISO 9001:2008 CERTIFIED

1.List FIVE natural and FIVE synthetic chemicals that you know to be harmful to living organisms and indicate what harm they cause.(5 Marks)

2.Name the likely routes by which direct human exposure to toxic materials may occur(5 Marks)

3.Substances move through the environment. List the different phases they might move through before and after entering a living organism.(5 Marks)

4.What is the differences between hazard and risk? List some examples of high hazard and high risk; high hazard and low risk; low hazard and high risk.(5 Marks)

5.How are the problems of disposal of industrial and domestic waste different?(5 Marks)

6.What information should appear on a chemical safety card for (a)ethanol and (b)ethanoic acid(acetic acid)? (5 Marks)

7.List metals used in industrial processes which can give rise to toxicity and indicate what chemical species are involved and what kind of toxicity is produced.(5 Marks)

8.Generally absorption from the lungs is greater than from the mouth. Explain.(5 Marks)

SECTION B:(30 Marks)
Answer any two questions from this section. Each question is 15 marks
9.You have been appointed as a head of biosafety in a clinical research laboratory. Describe the steps you would use to assess the risks in your laboratory.(15 Marks)

10.Describe how intrinsic and extrinsic factors affect the results of toxicants in experimental animals. (15 Marks)

11.Discuss the toxicological targets within a living organism.(15 Marks)

Pmt329: Environmental Health And Toxicology Question Paper

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