RTE 1503 Midterm || 100% Exact Answers.
A random disturbance that obscures or reduces clarity is termed:
a. noise.
b. signal.
c. electrical fluctuation.
d. variance. correct answers a. noise
The term portrait describes the long dimension of the image receptor that is aligned ____ to the
long axis of the anatomy.
a. transverse
b. perpendicular
c. parallel
d. diagonal correct answers c. parallel
Contrast in the digital image is primarily affected by:
a. mAs.
b. predetermined algorithms.
c. matrix size.
d. kVp. correct answers b. predetermined algorithms.
The ability of a digital imaging system to distinguish between similar tissues is the definition for:
a. contrast resolution.
, b. system response.
c. edge enhancement.
d. sensitivity. correct answers a. contrast resolution.
What type of radiographic contrast is produced with a high kVp (>100 kVp) technique?
a. Low contrast, long scale
b. Low contrast, short scale
c. High contrast, short scale
d. High contrast, long scale correct answers a. Low contrast, long scale
Which of the following factors primarily controls radiographic density in the analog image?
a. Film-screen speed
b. Optimal immunomodulating dose (OID)
c. mAs
d. kVp correct answers c. mAs
Which of the following radiographic procedures often only requires a single AP projection be
taken?
a. Ribs
b. Finger
c. Pelvis
d. Chest correct answers c. pelvis
What type of projection is created with the CR directed along or parallel to the long axis of a
structure or anatomic part?
A random disturbance that obscures or reduces clarity is termed:
a. noise.
b. signal.
c. electrical fluctuation.
d. variance. correct answers a. noise
The term portrait describes the long dimension of the image receptor that is aligned ____ to the
long axis of the anatomy.
a. transverse
b. perpendicular
c. parallel
d. diagonal correct answers c. parallel
Contrast in the digital image is primarily affected by:
a. mAs.
b. predetermined algorithms.
c. matrix size.
d. kVp. correct answers b. predetermined algorithms.
The ability of a digital imaging system to distinguish between similar tissues is the definition for:
a. contrast resolution.
, b. system response.
c. edge enhancement.
d. sensitivity. correct answers a. contrast resolution.
What type of radiographic contrast is produced with a high kVp (>100 kVp) technique?
a. Low contrast, long scale
b. Low contrast, short scale
c. High contrast, short scale
d. High contrast, long scale correct answers a. Low contrast, long scale
Which of the following factors primarily controls radiographic density in the analog image?
a. Film-screen speed
b. Optimal immunomodulating dose (OID)
c. mAs
d. kVp correct answers c. mAs
Which of the following radiographic procedures often only requires a single AP projection be
taken?
a. Ribs
b. Finger
c. Pelvis
d. Chest correct answers c. pelvis
What type of projection is created with the CR directed along or parallel to the long axis of a
structure or anatomic part?
