Question 27 (1 point)

Which of the following best describes the effects of Ionizing radiation?

Question 27 options:

	Has little to no effect on the human body
	Can kill and alter a cell
	Can heat substances
	Can alter microwaves used in the home kitchen

Question 28 (1 point)

Sick Building Syndrome (SBS) is best described as which of the following?

Question 28 options:

	Specific illness resulting from exposure to specific contaminants in the building
	A group of people think they have been exposed to something dangerous and begin to get signs of sickness causing other people to start to feel the same way.
	React to a number of chemicals in indoor air, each of which may occur at very low concentrations
	Building occupants experience acute health and comfort effects that appear to be linked to time spent in a building, but no specific illness or cause can be identified

Question 29 (1 point)

Which of the following materials is known to contain mercury?

Question 29 options:

	Paint
	Electrical switches and fluorescent lights
	Light bulbs
	Cosmetics

Question 30 (1 point)

In an indoor air quality assessment, which of the following options should be carried out first?

Question 30 options:

	Mould sampling
	Survey of the occupants
	Visual inspection & Spot test monitoring
	Particulate sampling

Question 31 (1 point)

Which of the following is a type of ionizing radiation.

Question 31 options:

	Alpha particles
	Microwaves
	Visible light
	Magnetic fields

Question 32 (1 point)

What is half-life?

Question 32 options:

	When one or more particles and excess energy ejected from the nucleus to become more stable
	The time required for a radioactive sample to lose 50% of its activity by radioactive decay
	The transformation of an unstable atomic nucleus into a lighter one and radiation is released. It becomes an isotope of another element
	None of the above

Question 33 (1 point)

What is the sampling strategy for contaminants dependent on?

Question 33 options:

	The reason for the sampling
	They type of sampling conducted (i.e. personal/area, surface/air/ bulk,)
	Legislative sample requirements
	The sampling budgets

Question 34 (1 point)

What is the purpose of an HVAC system?

Question 34 options:

	Re-circulate air
	Maintain thermal comfort (Temperature/RH) and other indoor air quality parameters
	Provide building ventilation (bring in outdoor air, make up air)
	Maintain building pressurization
	Remove/dilute air contaminants
	Isolate areas
	All of the above

Question 35 (1 point)

What is the fundamental and preferred method of radiation protection?

Question 35 options:

	ALARA principle - keep radiation exposures as low as reasonably achievable
	Hierarchy of engineered design and building
	Administrative policy and procedures - administrative controls
	Personal protective equipment
	None of the above