Exposure (7th Edition) | ALL 1-10 Chapters
Covered With Questions And Verified Solutions
With Rationales And Case Study.
, TABLE OF CONTENT
1. Radiation and Its Discovery
2. Fundamentals of Radiation Production
3. The X-ray Beam
4. Image Formation and Radiographic Quality
5. Digital Image Characteristics, Receptors, and Image
Acquisition
6. Digital Image Processing, Display, and Health
Information Management
7. Exposure Technique Factors
8. Scatter Control
9. Exposure Technique Selection
10. Dynamic Imaging: Fluoroscopy
Chapter 1 – Radiation and Its Discovery
Multiple Choice Questions
1. Who is credited with the discovery of X-rays in
1895?
A. Henri Becquerel
B. Wilhelm Conrad Roentgen
C. Marie Curie
D. Thomas Edison
,Rationale: Roentgen discovered X-rays while
experimenting with cathode rays and noticed they
could produce images on photographic plates.
2. What type of radiation did Henri Becquerel
discover?
A. Alpha particles
B. Gamma rays
C. Natural radioactivity
D. X-rays
Rationale: Becquerel discovered natural radioactivity
while studying uranium salts.
3. Which of the following is a property of X-rays?
A. They have mass
B. They can be focused with a lens
C. They travel in straight lines
D. They are visible to the human eye
Rationale: X-rays travel in straight lines, can penetrate
matter, and are invisible.
4. The unit of radiation exposure in air is:
A. Gray (Gy)
, B. Roentgen (R)
C. Sievert (Sv)
D. Rad
Rationale: The roentgen measures ionization in air due
to X-rays or gamma rays.
5. Who coined the term “radioactivity”?
A. Wilhelm Roentgen
B. Henri Becquerel
C. Marie Curie
D. Ernest Rutherford
Rationale: Marie Curie coined “radioactivity” and
discovered radium and polonium.
6. Alpha particles consist of:
A. Two protons and two neutrons
B. Two electrons
C. A proton and an electron
D. Neutrons only
Rationale: Alpha particles are helium nuclei with 2
protons and 2 neutrons.