image production

Question 1

kvp

Answer 1

the penetration power of an x-ray beam

Question 2

what type of x-rays result when the target atom is ionized through total removal of an inner-shell electron?

Answer 2

characteristic x-rays

Question 3

what type of x-rays are produced when a projectile electron is slowed by the nuclear field of a target atom nucleus?

Answer 3

bremmsstrahlung x-rays

Question 4

what type of interaction involves an x-ray in the diagnostic range interacting with an outer -shell electron that not only scatters the x-ray but reduces its energy and ionizes the atom?

Answer 4

Compton scattering

Question 5

which type of radiation is responsible for the cassette-hinge image sometimes seen on a radiographic image even though the hinge was on the back side of the cassette?

Answer 5

backscatter radiation

Question 6

A beta particle is similar to an electron in all aspects except one. which combination of types of ioning radiation is similar in all aspects except the one that differentiates an electron from a beta particle ?

Answer 6

x-rays and gamma rays

Question 7

which is true regarding an x-ray photon?

Answer 7

The wavelength of an x-ray photon is measured similar to that of any other electromagnetic energy.

Question 8

which is are necessary for x-rays to be produced?

Answer 8

a source of electrons , rapid electron acceleration and instantaneous deceleration

Question 9

for pair production to occur the energy of the incoming x-ray photon must be at least what ?

Answer 9

1.02 MeV

Question 10

during pair production the positron unites with a free electron, and the mass of both particles is converted to energy as a result of what process ?

Answer 10

Annihilation radiation

Question 11

which device is suspended above the beam defining system casts to reduce u scatter radiation and provide gonadal protection ?

Answer 11

shadow shield

Question 12

what is the benefit of pulse mode ?

Answer 12

it reduces the patients dose of radiation

Question 13

Period of major organogenesis and congenital abnormalities may result if the radiation dose is sufficiently high.

Answer 13

2nd week to the 10th week of pregnancy

Question 14

for which part of the body is a contact shield the only shielding option for protection against radiation?

Answer 14

lens of the eye

Question 15

elective booking

Answer 15

a method of determining the time of a patients previous menstrual cycle by the doctor or radiologic technologist .

Question 16

patient dose is proportional to the intensity of the x-ray beam

Answer 16

patient dose is directly proportional to the average beam intensity