HSSE Skill Area 7.0 Quiz

The two types of radiation are low energy ___________ radiation and high energy ___________ radiation.

• ionizing, non-ionizing

• non-ionizing, ionizing

• radio waves, microwaves

• gamma rays, radio waves

___________ changes DNA, mutates and kills healthy cells

• Alpha

• Beta

• Gamma

• Sun rays

The shorter the length of time a person is exposed to radiation source, the dose received is ___________.

• smaller

• larger

• equal

• not the same

___________ measures the radiation dose level based on Geiger Muller tube installed on the monitor.

• Isotope storage

• Clicker

• Sievert

• Survey Meter

Site radiography is conducted in a restricted area and will be monitored throughout to ensure the dose levels outside are safe which is ___________.

• less than 7.5μSv/hr

• more than 7.5μSv/hr

• less than 7.5μSv/min

• more than 7.5μSv/min

Which of the following is an internationally recognized warning sign for radiation?

• 
• 
• 
• 

__________ is the amount of radiation absorbed by our body.

• Alpha rays

• Gamma rays

• Beta rays

• Radiation dose

Can cells be self-repaired at low doses?

• Yes, can

• No, cannot

Answer explanation

Yes! but also can be left unrepaired or repaired incorrectly

In your own words and understanding, explain what is radiation.

_____________________________________________