Exam 4: Radiation Quantities and Units

If 400 people receive an average effective dose of 0.25 Sv,what is the collective effective dose?

Among physicians,cancer deaths attributed to x-ray exposure were reported as early as:

Of the following hereditary effects,which are considered to be late stochastic effects from exposure to ionizing radiation? 1)Decreased birth weight 2)Increased stillbirths 3)Infant and childhood mortality

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?

In the diagnostic radiology energy range from 23 to 150 kVp (which includes mammography),which of the following tissues possesses the greatest ability to absorb radiant energy through the process of photoelectric absorption?

Which of the following 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)?

Which of the following rem values equals 4000 mSv?

One thousand five hundred rem equals _________ Sieverts.

Who was the first American radiation worker to die from radiation-induced cancer in October of 1904?

Alpha particles have a radiation weighting factor (WR) that is numerically equal to:

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 22° C)?

Which of the following rem values equals 35 mSv?

In the SI system,an energy absorption of 1 joule (J) per kilogram of matter in the irradiated object equals which of the following?

Beta particles are actually:

Which of the following are types of ionizing radiation that produce virtually the same biologic effect for equal absorbed doses in body tissue?

Which of the following statements is true?

Which of the following units are not SI units? 1)Roentgens 2)Coulombs per kilogram,grays,Sieverts 3)Rads and rems

As the intensity of x-ray exposure of the air volume increases,the number of electron-ion pairs produced:

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.

Of the following numerical choices,which is the effective atomic number (Zeff) of soft tissue?