Is radiation dangerous? Ted Ed

What are the two different scientific phenomena that the word radiation describes?

• Sound radiation and magnetic radiation

• Heat radiation and light radiation

• Chemical radiation and biological radiation

• Electromagnetic radiation and nuclear radiation

What is the unit used to compare ionizing radiation exposure?

• Watt

• Joule

• Volt

• Sievert

Which type of radiation is pure energy consisting of interacting electrical and magnetic waves oscillating through space?

• Infrared waves

• Electromagnetic radiation

• Nuclear radiation

• Radio waves

What is the biggest health risk associated with ionizing radiation?

• Nausea

• Death

• Cancer

• Cellular dysfunction

What is the average annual radiation exposure from all sources for the average person?

• 5 millisieverts

• 1 millisievert

• 10 millisieverts

• 6.2 millisieverts

Which type of radiation originates in the atomic nucleus?

• Radio waves

• Nuclear radiation

• Infrared waves

• Electromagnetic radiation

What is the process that can damage DNA and is known as ionizing radiation?

• Electron absorption

• Proton emission

• Electron emission

• Electron stripping

What is the phenomenon that struggles to keep the atomic nucleus intact?

• Strong nuclear force

• Electromagnetic force

• Gravitational force

• Weak nuclear force

What is the main source of natural nuclear radiation mentioned in the text?

• Bananas

• Radon

• Refined ores

• Nuclear power plants

What is the main reason for doctors to shield body parts during X-rays?

• To avoid allergic reactions

• To reduce ionizing radiation exposure

• To prevent burns

• To prevent infection