Multiple Choice
Which of these statements is FALSE?
A) Increasing the target-image receptor distance reduces penumbra.
B) Radiation intensity is directly proportional to the square of the distance from the source.
C) A long PID increases image sharpness.
D) A recessed tube increases the target-image receptor distance.
Correct Answer:
Verified
Correct Answer:
Verified
Q29: Radiographic density (film darkening) is decreased when
Q30: Which of the following refers to a
Q31: What is radiographic contrast?
Q32: Penumbra is a device used in extraoral
Q33: The difference in densities between adjacent areas
Q35: Slight movement of the tube head during
Q36: Which of these statements is FALSE?<br>A) Structures
Q37: Theoretically, the ideal focal spot would be
Q38: The quality of the beam of radiation
Q39: What is penumbra?