Level 1
Marie Curie discovered which two elements?
a) Uranium and Plutonium
b) Radium and Polonium
c) Barium and Thorium
d) Carbon and Nitrogen
b) Radium and Polonium
Einstein’s famous formula E=mc^2 demonstrated that:
a) Gravity is a constant
b) Time is absolute
c) X-rays travel slower than light
d) Matter and energy are interchangeable
d) Matter and energy are interchangeable
Which device uses a small amount of Americium-241 (a radioactive source) for safety?
a) Microwave oven
b) Smoke detector
c) Television set
d) Flashlight
b) Smoke detector
What was "Thorotrast" used for between 1925 and 1945?
a) Treating skin burns
b) Contrast agent for angiography
c) Pain relief for arthritis
d) Shielding material
b) Contrast agent for angiography
What is the primary cause of "jaw rot" in the Radium Dial Painters?
a) Inhaling radium dust
b) Licking the paint brushes to sharpen the tip
c) Skin contact with radium dials
d) Drinking contaminated water
b) Licking the paint brushes to sharpen the tip
In a modern X-ray tube, what is the negative electrode called?
a) Anode
b) Diode
c) Cathode
d) Filament holder
c) Cathode
Positive Beam Limitation (PBL) is also known as:
a) Automatic collimation
b) Manual timing
c) Filtration
d) Shielding
a) Automatic collimation
Which law requires minimal standards for the manufacture of X-ray equipment?
a) Consumer-Patient Radiation Health and Safety Act of 1981
b) Public Law 90-602 (Radiation Control Health and Safety Act of 1968)
c) The Clean Air Act
d) The HIPAA Privacy Rule
b) Public Law 90-602 (Radiation Control Health and Safety Act of 1968)
The Chernobyl disaster occurred on:
a) July 16, 1945
b) April 26, 1986
c) August 6, 1945
d) November 8, 1895
b) April 26, 1986
Which specific cancer saw a massive increase in children after Chernobyl?
a) Thyroid cancer
b) Leukemia
c) Lung cancer
d) Bone cancer
a) Thyroid cancer
Who created the first nuclear chain reaction in 1942?
a) Albert Einstein
b) Enrico Fermi
c) Ernest Rutherford
d) Marie Curie
b) Enrico Fermi
The target in the X-ray tube is typically made of what material?
a) Lead
b) Copper
c) Tungsten
d) Aluminum
c) Tungsten
Which group of people suffered from lung cancer due to breathing radioactive dust?
a) Watch dial painters
b) Early dentists
c) Atomic bomb survivors
d) Uranium miners
d) Uranium miners
"Jersey Finger" or "Mallet Finger" are examples of what kind of injury?
a) Ionizing burn
b) Avulsion fracture (bone pulled away)
c) Radiation sickness
d) Nerve compression
b) Avulsion fracture (bone pulled away)
What is the "sarcophagus" at Chernobyl?
a) A burial site for workers
b) A concrete box built around the radioactive reactor
c) A type of radiation detector
d) The name of the reactor core
b) A concrete box built around the radioactive reactor
Which organization is responsible for formulating reports on human exposure based on research?
a) UNSCEAR
b) OSHA
c) JRCERT
d) ASRT
a) UNSCEAR
What is an "Isotope"?
a) Atoms with different numbers of protons
b) Atoms with the same number of protons but different number of neutrons
c) An atom that has lost an electron
d) A form of non-ionizing energy
b) Atoms with the same number of protons but different number of neutrons
Which of the following is considered "Man-Made" radiation?
a) Cosmic rays
b) Terrestrial radiation
c) Medical X-rays
d) Radon gas
c) Medical X-rays
How much radiation does someone at 10,000 ft. altitude receive from cosmic radiation compared to sea level?
a) Less than sea level
b) 30 mrem/year
c) 140 mrem/year
d) 500 mrem/year
c) 140 mrem/year
Who is responsible for protecting the patient from unnecessary radiation exposure during a procedure?
a) The Patient
b) The Radiographer
c) The Front Desk
d) The EPA
b) The Radiographer
What was the name of the plane that dropped the first atomic bomb?
a) The Spruce Goose
b) Enola Gay
c) Spirit of St. Louis
d) Air Force One
b) Enola Gay
The "Benefit vs. Risk" concept states that:
a) All radiation is safe if the doctor says so
b) Patients should never be exposed to radiation
c) Risk is only considered for pregnant women
d) The potential benefit of the scan must far outweigh the potential risk
d) The potential benefit of the scan must far outweigh the potential risk
Which physical phenomenon causes a fluorescent screen to glow?
a) Incandescence
b) Radioactivity
c) Fluorescence
d) Ionization
c) Fluorescence
The atomic bomb dropped on Nagasaki was named:
a) Little Boy
b) Fat Man
c) Trinity
d) Enola Gay
b) Fat Man
Who is credited with the discovery of X-rays?
a) Thomas Edison
b) Clarence Dally
c) Wilhelm Conrad Roentgen
d) Henri Becquerel
c) Wilhelm Conrad Roentgen