element 7
10
(a)
State TWO respiratory diseases that may be caused by exposure to asbestos.
(2)
(b)
Identify where asbestos is likely to be encountered in a building during renovation work.
(6)
6
(a)
Define the term `target organ' within the context of occupational health.
(2)
(b)
Outline the personal hygiene practices that should be followed to reduce the risk of ingestion of a hazardous substance.
(6)
3
(a)
Explain the meaning of the term `dilution ventilation'.
(2)
(b)
Outline the circumstances in which the use of dilution ventilation may be appropriate.
(6)
7
In relation to substances used at work:
(i) explain the meaning of the term `toxic'
(2)
(ii) describe, using an example in EACH case, the differences between acute and chronic health effects.
(6)
8
Outline the factors to be considered in the correct selection of respiratory protection for use at work.
(8)
2
In relation to occupational dermatitis:
(i) identify TWO common causative agents
(2)
(ii) describe the typical symptoms of the condition
(3)
(iii) state the sources of information that may help to identify dermatitic substances in the workplace.
(3)
11
List EIGHT safe practices to be followed when using a skip for the collection and removal of waste from a construction site.
(8)
Question 1 An inefficient local exhaust ventilation (LEV) system has been identified as the main cause of excessive dust levels in a workplace.
(i) Identify FOUR possible indications of a dust problem that may have alerted staff to the inefficiency of the LEV system. (4)
(ii) Outline the factors that may have reduced the effectiveness of the LEV system. (8)
(iii) Describe control methods other than LEV that might be used to minimise levels of airborne dust. (8)
Question 5 Identify FOUR possible routes of entry of toxic substances into the body and, in EACH case, describe a circumstance in which an employee
(a)
State TWO respiratory diseases that may be caused by exposure to asbestos.
(2)
(b)
Identify where asbestos is likely to be encountered in a building during renovation work.
(6)
6
(a)
Define the term `target organ' within the context of occupational health.
(2)
(b)
Outline the personal hygiene practices that should be followed to reduce the risk of ingestion of a hazardous substance.
(6)
3
(a)
Explain the meaning of the term `dilution ventilation'.
(2)
(b)
Outline the circumstances in which the use of dilution ventilation may be appropriate.
(6)
7
In relation to substances used at work:
(i) explain the meaning of the term `toxic'
(2)
(ii) describe, using an example in EACH case, the differences between acute and chronic health effects.
(6)
8
Outline the factors to be considered in the correct selection of respiratory protection for use at work.
(8)
2
In relation to occupational dermatitis:
(i) identify TWO common causative agents
(2)
(ii) describe the typical symptoms of the condition
(3)
(iii) state the sources of information that may help to identify dermatitic substances in the workplace.
(3)
11
List EIGHT safe practices to be followed when using a skip for the collection and removal of waste from a construction site.
(8)
Question 1 An inefficient local exhaust ventilation (LEV) system has been identified as the main cause of excessive dust levels in a workplace.
(i) Identify FOUR possible indications of a dust problem that may have alerted staff to the inefficiency of the LEV system. (4)
(ii) Outline the factors that may have reduced the effectiveness of the LEV system. (8)
(iii) Describe control methods other than LEV that might be used to minimise levels of airborne dust. (8)
Question 5 Identify FOUR possible routes of entry of toxic substances into the body and, in EACH case, describe a circumstance in which an employee