module 1- bushong

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which of the following is a state of energy? a) chemical b) electrical c) potential d) thermal

potential

"stored energy" is also known as

potential energy

a dose of 0.01 Sv may also be expressed as which of the following? a) 1R b) 1 Rad c) 1 Rem d) 1 Curie

1 Rem

the ability to do work is known as:

Energy

what is the SI unit for RAD?

Gray

what is the largest natural decay of uranium that is located in concrete, bricks, and is a radioactive gas called?

radon

this type of radiation results from deposits of uranium, thorium, and other radionuclides in the Earth

terrestrial radiation

energy of motion at the molecular level

thermal energy (heat)

T or F a unit of measure is a value agreed upon by a society to give meaning to a quantity

true

fundamental quantities include all of the following EXCEPT: a)mass b)velocity c)length d)time

velocity

what is the SI unit for power

watt

what is the difference between mass and weight?

weight describes mass of an object in a gravitational field

mass, distance, and time are needed to determine what derived quantity?

work

anything that occupies space and has shape or form is:

matter

anything that occupies space describes:

matter

atoms and molecules are the fundamental building blocks of__________

matter

which of the following is expressed in kg-m/s?

momentum

What best describes the System International?

A system that uses the meter, kilogram, and second

which system uses the force of gravity to define mass?

British system

what does ALARA stand for?

as low as reasonably achievable

Roentgen discovered x-rays by noticing the fluorescent glow of ________ during one of his experiments with a cathode ray tube?

barium platinocyanide

Roentgen discovered x-rays by noticing the fluorescent glow of_______ during one of his experiments with a cathode ray tube?

barium platinocyanide

what was the phosphors located on the glass plate that glowed when Roentgen discover x-rays?

barium platinocyanide

is the energy released by a chemical reaction

chemical energy

particulate and electromagnetic radiation emitted by the sun and stars

cosmic

natural sources of ionizing radiation: (3)

cosmic rays terrestrial radiation internally deposited radionuclides

what is the unit for measuring activity of radionuclide?

curie or SI unit Becquerel

_________ x-rays constitute the largest man-made source of ionizing radiation

diagnostic x-rays

represents the work that can be done when an electron moves through an electrical potential (voltage)

electrical energy

radio waves, light and x-rays are all examples of ______ energy

electromagnetic energy

radio waves, light, and x-rays are all examples of ________ energy

electromagnetic energy

the least familiar form of energy. is the type of energy used in an x-ray

electromagnetic energy

ionizing radiation is capable of removing _______ from atoms as it passes through the matter

electrons

ionizing radiation is capable of removing ________ from atoms as it passes through the matter

electrons

where do you get cosmic particles from?

emitted by the sun and stars

where do you get terrestrial radiation from?

emitted from deposits of uranium, thorium, and other radioactive substances in the earth

a joule is a unit measurement for____

energy

a joule is a unit measurement for______

energy

the ability to do work describes what?

energy

all matter is composed of:

fundamental building blocks called atoms

a body's resistance to a change in its state of motion is:

inertia

what is known as: anything in motion will stay in motion unless some type of resistance is applied and anything at rest will remain at rest unless some type of force is applied

inertia

what is newton's 1st law?

inertia

which of the following is solely a property of mass?

inertia

the removal of an electron from an atom is considered

ionization

what is the removal of an electron from an atom called?

ionization

_______________ is any type of radiation that is capable of removing an orbital electron from the atom with which it interacts. This type of interaction between radiation and matter is called______________

ionizing radiation ionization

matter is measured in:

kilogram

which of the following is a unit of measure for a fundamental quantity?

kilogram

mass is measured in

kilograms

the maximum energy that a photon in any beam may have is expressed by the __________

kilovoltage peak (kVp)

a moving object has _______ energy

kinetic

a moving object has_____ energy

kinetic

the energy of motion

kinetic energy

matter is measured in:

kiologram

what is the appropriate unit of measure for velocity?

m/s

all of the following are derived quantities except:

mass

Atoms and molecules are the fundamental building blocks of______

matter

anything that occupies space and has mass:

matter

Which of the following is a unit of measure for a derived quantity? a) meter b) kilogram c)second d) newton

newton

when was x-rays discovered

nov. 8th, 1895

energy that is contained within the nucleus of an atom. an example of the uncontrolled released of nuclear energy is the atomic bomb

nuclear energy

Where was Roentgen working when he discovered the x-ray?

physics lab at Wurzburg University in Germany

name 6 types of energy

potential kinetic chemical thermal nuclear electromagnetic

ability to do work by virtue position

potential energy

the transfer of energy is known as:

radiation

what does RAD stand for?

radiation absorbed dose

what does rem stand for?

radiation equivalent man

the largest source of natural environmental radiation is___________

radon

SI unit for energy and work is the:

Joule (J)

filtration is used to

absorb low energy x-rays

what is the velocity of an object if it travels 50 meters in 5 seconds?

10m/s

what is the power consumed if 500 J of work is done in 4 seconds?

125 W

in the US the first fatality from x-ray exposure was reported in what year?

1904

in the US the first fatality from x-ray exposure was reported in?

1904

useful range of x-ray energies extras from _______ to _______ kVp

20 to 150

what is the force necessary to move a 100 kg object at a rate of 3 m/s?

300N

what is the work done if a force of 300N is applied over a distance of 15 meters?

4,500J

what is the SI unit for the Roentgen?

C/kg

a quantity of radioactive iodine would be expressed in what unit of measurement? a) Roentgen b) Rad c) Rem d) Curie

Curie

T or F mass changes with gravitational field

False

a special type of radiation that includes x-rays

Ionizing radiation

what is the SI unit for Force?

Newton

Wilhelm Roentgen discovered the x-ray in:

November 8th, 1895

what month, day, and year did Roentgen discover x-rays?

November 8th, 1895

what months, day, and year did Roentgen discover x-rays?

November 8th, 1895

a radioactive gas that is produced by the natural radioactive decay of uranium, which is present in trace quantities in the Earth

Radon

a healthcare worker's film badge report would be reported in which unit of measure? a) Roentgen b) Rad c) Rem d)curie

Rem

measuring the radiation output of an x-ray unit would be expressed in: a) Roentgen b) Rad c) rem d) curie

Roentgen

which unit is based on the number of ion pairs created in air? a) Roentgen b) Rad c) Rem d) Curie

Roentgen

what describes "exposure in air" ?

Roentgen or C/kg

What is the SI unit for REM?

Sivert (Sv)

define ionization

addition or removal of an electron

name 2 types of particulate radiations

alpha particle beta particle

what is the definition of inertia

anything in motion will stay in motion unless some type of resistance is applied and anything at rest will remain at rest unless some type of force is applied

ALARA

as low as reasonably achievable

What does ALARA stand for?

as low as reasonably achievable


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