What does ALARA mean?

Mass is the quantity of matter as described by its energy equivalence.

Radiation is the removal of an electron from an atom.

Radiology emerged as a medical specialty because of the Snook transformer and the Crookes x-ray tube.

The basic quantities measured in mechanics are __, __, and __.

An example of a derived quantity in mechanical physics is a ___

What is the decimal equivalent of the proper fraction 4/1000?

What is the decimal equivalent of the improper fraction 289/74?

The first step to expressing a number in scientific notation is to ________.

What is 6080 in exponential form?

Graphs are typically based on two axes;

In radiologic science, all of the following are special quantities, except:

Mass density should be reported in which units?

Which of the following explains the difference between speed and velocity?

For every action, there is an equal and opposite reaction, this describes which Newton’s law?

What heat transfer takes place when you burn your finger by touching a hot iron?

What heat transfer takes place when water is boiled?

What are the two cryogens used in Magnetic resonance imaging with a superconducting magnet?

The periodic table of the elements was developed by_ in the late 19th century.

Rutherford’s experiments in 1911 showed that the atom was composed of ____________.

A positively charged nucleus surrounded by negatively charged electrons in well defined orbits is the____model of the atom.

What are the fundamental particles of an atom?

The chemical element is determined by the number of_____in the atom.

The binding energies, or energy levels, of electrons are represented by their_.

When an atom has the same number of protons as another, but a different number of neutrons, it is called an___.

When atoms of various elements combine, they form___

An atom that loses or gains one or more electrons is a(n)_.

The maximum number of electrons that can exist in an electron shell is calculated with the formula__.

A neutral atom has the same number of _______ and electrons.

The innermost electron shell is symbolized by the letter_.

The shell number of an atom is called the___________.

The atomic number of an element is symbolized by the letter_____

Aluminum has an atomic number of 13. How many protons does it have?

Two identical atoms which exist at different energy states are called ________.

The charges on an electrified object are distributed___

On the surface of an electrified object, the charges concentrate on the__.

What is the unit of electric potential?

What is Ohm’s law?

A charged particle in motion creates a(n) ____________.

Electrical power is measured in__.

Rubber and glass are __________.

The SI unit of magnetic field strength is:

The most widely used support structure for the x-ray tube is the _____.

The external structure of the x-ray tube includes the support structure, the protective housing, and the       .

As an x-ray tube ages, the inside can become coated with tungsten, which can cause ___ in the tube.

The negative side of the x-ray tube holds the ______.

What is the most common cause of tube failure?

The filament is made of ____.

Thermionic emission at the filament creates a ____.

The rotating anode is turned by a          .

When electrons bombard the target,    % of their kinetic energy is converted to heat.

The target of the rotating anode is usually coated with a       alloy.

The ____ is the source of radiation in the x-ray tube.

Because of the line focus principal, the effective focal spot size decreases with decreasing _____.

High capacity tube rotors revolve at                 rpm

The x-ray intensity is lower on the anode side of the tube because of the ______.

Matter is measured in ____ .

Atoms and molecules are the fundamental building blocks of _____

Ice and steam are examples of two forms of _____

The formula E = mc² is the basis for the theory that led to the development of _____

Radio waves, light, and x-rays are all examples of         energy.

A moving object has ____ energy.

Ionizing radiation is capable of removing _____ from atoms as it passes through the matter.

The energy of x-rays is ___

The biggest source of man-made ionizing radiation exposure to the public is _____

In the United States, we are exposed to ____ mSv/year of ionizing radiation from the natural environment.

Today, radiology is considered to be a(n) _____ occupation.

     _______  is a special quantity of radiologic science.

Computed tomography was developed in the ______.

Filtration is used to          .

Exposure is measured in units of            .

The SI unit of velocity is _____.

An object at rest will       if no outside forces are applied.

Work is the product of    and distance.

The transfer of heat by the emission of infrared radiation is ______.

When you stretch a rubber band, you are storing ____ energy.

The term "atom" was first used by the_____.

The first person to describe an element as being composed of identical atoms was ______.

The smallest particle that has all the properties of an element is a(n) _______.

An atom in a normal state has an electrical charge of               .

The smallest unit of electrical charge is the _____.

Electrification occurs through the movement of       .

Like charges         and unlike charges        .

Electrostatic force is ____ proportional to the distance between charges, and ____ proportional to the product of the charges. a. directly; inversely

A _____ is a source of direct current.

An electric potential applied to a conductor produces a(n)      .

An alternating (AC) current is represented by a           line.

A ______ uses direct current.

Alternating current is produced by a _____.

The rotation of electrons on their axis is the property called _______.

When a group of dipoles are aligned, they create       .

In the United States, alternating current goes through a complete cycle every                         second