-
The primary risk from occupational radiation exposure is the increased risk of:
-
The current lifetime risk of dying from all types of cancer in the United States is approximately:
-
If a person received a radiation dose of 10 rem to the entire body (above background), his or her risk of dying from cancer would increase by one percent to a high of:
-
Which of the following has the shortest wavelength?
-
How long after the Roentgen’s discovery, were radiation burns detected?
-
X-rays were discovered in 1895 by:
-
Some of the most common effects of ionizing radiation are:
-
When radiation interacts with a cell wall or DNA:
-
Depending upon the ratio of neutrons to protons within its nucleus:
-
Who discovered natural radioactivity?
-
The half-life of Iridium 192 is approximately:
-
The Curies discovered a radioactive element which they called:
-
The cathode and anode are parts of:
-
The principle advantage of a pocket dosimeter is its ability to:
-
Which of the following produces a permanent record of radiation exposure?
-
Radium could be used to radiograph casting as thick as:
-
In the 1920's, what was used to personnel monitor individuals in order to determine their radiation exposure?
-
Radiation is a form of:
-
What are the two types of radiation?
-
Which of the following have both energy and mass?
-
The term used to describe an interaction where electrons acquire energy from a passing charged particle but are not removed completely from their atom is called:
-
TLD stands for:
-
One source of natural radiation is:
-
The target of an x-ray tube is often made from:
-
Which of the following is a source of nonionizing radiation?
-
The instrument used to measure external radiation exposure for the day from gamma and x-rays worn by the radiographer is called a:
-
Which of the following have a positive charge?
-
Which of the following have a negative charge?
-
Which of the following have no charge?
-
Cobalt 60 is produced by:
-
Electromagnetic radiation acts like a stream of small "packets" of energy called:
-
What percentage of human exposure comes from outer space, rocks, soil. radon gas and the human body?
-
The dislodging of one or more electrons from an atom is called:
-
Typical industrial radiography pocket dosimeters have a full scale reading of:
-
Which of the following is an example of electromagnetic radiation?
-
Which of the following has the longest wavelength?
-
All people have radioactive isotopes inside their bodies.
-
A symptom from an overexposure to radiation which occurs years later is called:
-
The most significant source of man-made radiation exposure to the average person is from:
-
X-rays are produced:
-
Gamma rays are produced by:
-
Generally an isotope pellet is approximately:
-
Radioisotopes such as Iridium 192 and Cobalt 60 are used in an industrial setting and are carried in a container called a:
-
The strength of a source is called:
-
Ionization of living tissue causes:
-
How much radiation is a radiographer allowed to receive in a calendar year?
-
The less time spent near a radioactive source or an x-ray tube:
-
Which of the following are the two most common industrial gamma-ray sources?
-
Which of the following is a rate measuring instrument?
-
Which of the following has the most material penetrating power?