25 notecards = 7 pages (4 cards per page)
Which of the following statements is true?
1 centisievert = 1 rem
If a patient receiving x-ray therapy treatment receives a total dosage of 6000 rads, the dosage may be recorded as _____if the SI system is used.
Who was the first American radiation worker to die from radiation-induced cancer in October 1904?
Clarence Madison Dally
Which of the following statements is correct?
1 C/kg of dry air = mc013-2.jpg
Among physicians, cancer deaths attributed to x-ray exposure were reported as early as:
The effective atomic number (Zeff) of soft tissue is:
Beta particles are actually:
For x-ray and gamma ray photons with energies up to 3 million electron volts (MeV), which of the following quantities may be defined as the measure of the total electrical charge of one sign, either all pluses or all minuses, per unit mass that these two kinds of radiation generate in air only?
Ten C/kg equals __________ roentgen.
3.9 ´ 104
Which of the following units is a unit of energy that may be defined as the work done or energy expended when a force of 1 newton (N) acts on an object along a distance of 1 meter (m)?
Alpha particles have a radiation weighting factor (WR) that is numerically equal to:
One millirem equals ___________ rem.
Which of the following units are not SI units?
1 and 3 only
As the intensity of x-ray exposure of the air volume increases, the number of electron-ion pairs produced:
Which of the following effects must be measured to determine the total amount of radiation exposure in a specific volume of dry air under standard conditions of pressure and temperature (760 mm Hg or 1 atmosphere at sea level and 22o C)?
Quantity of ionization
Fifteen sievert equals __________ rem.
In the diagnostic radiology energy range (which includes mammography) from 23 to 150 kVp, which of the following tissues possesses the greatest ability to absorb radiant energy through the process of photoelectric absorption?
Which of the following is the SI unit of electrical current?
45 rem equals _________ mSv.
Thirty-five mSv equals __________ rem.
Which of the following equals 400 rem?
Which of the following are types of ionizing radiation that produce virtually the same biologic effect for equal absorbed doses in body tissue?
X-rays, beta particles, and gamma rays
In the SI system, an energy absorption of 1 joule (J) per kilogram of matter in the irradiated object equals which of the following?
Who discovered x-rays on November 8, 1895?
Wilhelm Conrad Roentgen
Of the following equivalents, which equals 1 rad?
1, 2, and 3