 |
OHS711S - OCCUPATIONAL HEALTH AND SAFETY 3 - 1ST OPP - JUNE 2022 |
|
|
1 Page 1 |
▲back to top |
NAMIBIA UNIVERSITY OF SCIENCE AND TECHNOLOGY
FACULTY OF HEALTH, APPLIED SCIENCES and NATURAL RESOURCES
DEPARTMENT OF HEALTH SCIENCES
QUALIFICATION: BACHELOROF ENVIRONMENTAL HEALTH SCIENCES
QUALIFICATION CODE: 08 BOHS
LEVEL: 7
COURSE NAME: OCCUPATIONAL HEALTH AND SAFETY3
DATE: June 2022
COURSE CODE: OHS 7115
SESSION: 15T Opportunity
DURATION: 3 HOURS
MARKS: 100
EXAMINER
FIRST OPPORTUNITY EXAMINATION QUESTION PAPER
MRS MOUYELELE HAUFIKU
MODERATOR: PROF OMOTAYO AWOFOLU
INSTRUCTIONS
1. Read all the questions carefully before answering
2. Marks for each question are indicated at the end of each question
3. Number the answers clearly.
4. Please ensure that your writing is legible, neat and presentable
PERMISSIBLEMATERIAL: NONE
THIS QUESTION PAPER CONSISTS OF 4 PAGES
(Including this front page}
1
|
|
2 Page 2 |
▲back to top |
SECTION A [20 marks]
QUESTION 1
1.0 Define the following terms/concepts in the context of Occupational Health and Safety.
[10]
1.1 Conduction
[2]
1.2 Conductors
[2]
1.3 Cardiopulmonary resuscitation
[2]
1.4 Flashpoint
[2]
1.5 Toxicokinetics
[2]
QUESTION 2
[10]
2.0 Match a statement in Column A to their most correct definition or description in Column
B. Write on your answer sheet the correct column A number with a correct column B letter
1 mark each
No COLUMN A
2.1 Domino Theory
2.2 Human Factors Theory
2.3 3 - 10 milliampere
2.4 100- 200 milliampere
2.5 An accident
2.6 Hepatotoxicity
2.7 Risk assessment
2.8 Hematotoxicity
2.9 Hazard
2.10 Neu rotoxicity
COLUMN B
A. Overload is an example of this theory
B. Current that can cause muscle contractions and pain
C. Injuries are caused by the actions of preceding
factors.
D. defined as an event that result in injury or ill-health.
E. Current that can cause ventricular fibrillation
F. An identification of the hazards present and an
estimate of the extent of the risk involved
G. Chemical effects to the Blood
H. Chemical effects to the Liver
I. Chemical effects to the Nervous Systems
J. The potential of a substance, activity or process to
cause harm
2
|
|
3 Page 3 |
▲back to top |
SECTION B (20 marks]
QUESTION 3
3.0 Severe bleeding is one of the situations that req\\,.liresimmediate emergency
attention, because it makes it difficult for the heart to pump enough blood to your
body. As the fluid loss increases, shock can lead to organ failure.
3.1 Outline five (5) signs and symptoms of severe blood loss.
3.2 Mention three (3) Emergency situations where immediate First Aid techniques
can save lives.
3.3 List any (2) instances in which a First Aider can stop Cardiopulmonary Resuscitation
[10]
[5]
[3]
[2]
QUESTION 4
4.1 Briefly explain the importance of making permanent record of all accident evidence as
quickly as possible during an accident investigation
4.2 State the three (3) goals of fire prevention.
4.3 Differentiate between safety inspections and safety audits.
[10]
[3]
[3]
[4]
SECTION C (60 marks]
This section consists of FOUR questions. Answer any THREE questions in your answer book.
QUESTION 5
[20]
5.1 Outline the purposes of conducting Occupational Health and Safety inspections.
[10]
5.2 Name and explain the four{4) types Occupational Health and Safety inspections
inspections.
[10]
3
|
|
4 Page 4 |
▲back to top |
QUESTION 6
6.1 Overheating of cables and equipment is one of the most common causes of fire in
electrical installations.
6.1.1 Explain the causes of cables and equipment's overheating
6.1.2 State the solutions to overheating
[20]
[8]
[2]
6.2 Outline the possible help that is needed to be given to a person who have collapsed from
an electric shock.
[10]
QUESTION 7
7.1 Identify and briefly explain the Four (4) processes involved in Toxicokinetics.
7.2 State the factors which determine the severity of toxicity that results when a
xenobiotic enters the body.
7.3 Discuss the Minamata mercury poisoning disaster.
[20]
[8]
[7]
[5]
QUESTION 8
8.0 Construction sites have many hazards that may pose a danger to the workers, thus
the goal of construction safety is to ensure a "safe place of work".
8.1 State the hazards that can be caused by work in excavations.
8.2 Illustrate the factors to be considered when using Scaffolds for construction purposes.
[20]
[10]
[10]
TOTAL MARKS= 100
4