Chapter 15 Review
1. Why does beam restriction reduce scatter radiation production?
a. Because there are fewer photons available to scatter
2. What are the two principal factors that affect the amount of scatter produced?
a. kVp a
1. What is filtration?
The process of eliminating undesirable low-energy x-ray photons by the insertion of
absorbing materials into the primary beam.
2. What is the standard filter material used in diagnostic radiography?
Chapter 8 Review Questions
1. Explain the differences between alpha and beta particles.
An alpha particle contains two protons and two neutrons and as a result it is
equivalent to a helium nucleus. Alpha particles can
February 14, 2017
Chapter 6 Review Questions
1. What conditions must exist for X-rays to be produced?
Source of electrons, appropriate target material, a high voltage, and a vacuum
2. What are the basic parts of a cathode assembl
PHE study guide
1. Drug misuse vs. drug abuse
Drug misuse: inappropriate use of prescription or non-prescription drugs
o Example: Forexample,drugmisuseoccurswhenonediscontinuesthe
Chapter 9 Review Questions
1. What is the annual effective dose limit for whole-body exposure of a radiation
2. What is the cumulative effective dose limit for a 28-year-old radiation worker (in
rem and mSv)?
1. What are the three prime factors that affect x-ray emission?
2. What is the unit of measurement for x-ray quantity?
3. Define an ampere.
RAD 112 Fall 2016 Prime factors
Identify the choice that best completes the statement or answers the question.
1. The factors that affect x-ray emission under the direct control of the radiographer are called the _ factors.
Chapter 7 Review Questions
1. What is the approximate percentage of electron energy that is converted to x-ray
photon energy in the x-ray tube?
2. The majority of the electron energy in the x-ray tube is converted to what form
1. Define Attenuation
Attenuation is the reduction in the number of x-ray photons in the beam and
subsequent loss of energy, as the beam passes through matter.
2. Describe the photoelectric absorption interaction.
It began with the fall of the
Western Roman Empire
were then rulers of most of
buildings occupied by a
community of monks living
under religious vows
Not belonging to or living in a
September 19, 2011
Homework Week 4
Chapter 5 Evens
2. Different partners. What are the two main types of cofactors?
The two main types of cofactors are metals and coenzymes.
4. A function of state. What is the fundamental mechanism by which enzy
Monday August 29, 2011
Homework Week 1
Chapter 1: Evens
2. Differentiate between proteins and glycogen in regard to their polymeric structure.
The difference between the polymeric structures of proteins is they are mainly
composed of amino acids