Image Production Flashcards
What is the relationship between current and voltage according to Ohm’s Law
a. As current increases, voltage decreases
b. As current increases, voltage increases
c. As current increases, voltage remains constant
d. If current remains constant, voltage increases
A
In a series circuit, all resistors share which of the following?
a. overall resistance of the circuit
b. total current of the circuit
c. total voltage of the circuit
d. overall jules of the circuit
C
which of the following remains constant in a series circuit?
a. resistance
b. voltage
c. current
d. conduction
C
which of the following remains constant in a parallel circuit?
a. resistance
b. voltage
c. current
d. conduction
B
Inadequate collimation leads to ____ (select all applied)
a. loss of contrast
b. loss of spatial resolution
c. underexposure
d. loss of brightness
A
Excessive kVp could lead to____(select all applied)
a. loss of contrast
b. loss of spatial resolution
c. underexposure
d. loss of brightness
A & D
When there is underexposure, what type of appearance will be on a radiograph?
a. blurring of anatomy
b. quantum mottle
c. saturation
d. ghost image
B
When there is overexposure, what type of appearance will be on a radiograph?
a. blurring of anatomy
b. quantum mottle
c. saturation
d. ghost image
c
When there is CR plate is not fully erased, what type of appearance will be on a radiograph?
a. blurring of anatomy
b. quantum mottle
c. saturation
d. ghost image
D
Which image quality factor is described as structural as the structural sharpness recorded in the radiographic image?
a. Contrast resolution
b. Receptor exposure
c. Dynamic range
d. Spatial resolution
D
Which image quality factor is described as difference in brightness level or shades of gray bw adjacent structures
a. Contrast resolution
b. Receptor exposure
c. Dynamic range
d. Spatial resolution
A
Which image quality factor is described as the amount of radiation reaching IR
a. Contrast resolution
b. Receptor exposure
c. Dynamic range
d. Spatial resolution
B
Which image quality factor is described as range of exposure that produces quality images at an appropriate patient dose
a. Contrast resolution
b. Receptor exposure
c. Dynamic range
d. Spatial resolution
C
