CLC CERTIFICATION PRACTICE EXAM 4 EXAM
SCRIPT 2026 QUESTIONS WITH CORRECT
ANSWERS
◉ According to the Code of Federal Regulations Title 21 (21 CFR) for
fluoroscopic equipment neither the length nor the width of the x-ray
field shall exceed the size of the image receptor by more than what
percent of the SID? Answer: 3
◉ Where is the larynx located? Answer: Between the epiglottis and
trachea
◉ When using a 25/17/12 image intensifier tube, which of the
following is true? Answer: The field of view is largest in the 25cm
mode
◉ Which of the following can occur when the central ray is NOT
aligned perpendicular to the image receptor? Answer: 1. Image
improperly positioned
2. Distortion
◉ It is recommended that the signature of a patient on an informed
consent form should be witnessed by which of the following
, individuals? Answer: A healthcare worker that is not involved in the
procedure
◉ What must a radiographer do to correct a radiograph that had the
proper brightness but demonstrated excessive quantum noise?
Answer: Decrease kVp, increase mAs and leave all other factors the
same
◉ The breakdown of water molecules within the body due to
irradiation is known as what? Answer: radiolysis
◉ Equalization can be applied to a digital image to improve which of
the following?
A. Visibility of details
B. Spatial resolution
C. Noise
D. Sharpness of details Answer: A. Visibility of details
◉ What is the name of the proximal, funnel shaped portion of the
ureter called? Answer: Renal Pelvis
SCRIPT 2026 QUESTIONS WITH CORRECT
ANSWERS
◉ According to the Code of Federal Regulations Title 21 (21 CFR) for
fluoroscopic equipment neither the length nor the width of the x-ray
field shall exceed the size of the image receptor by more than what
percent of the SID? Answer: 3
◉ Where is the larynx located? Answer: Between the epiglottis and
trachea
◉ When using a 25/17/12 image intensifier tube, which of the
following is true? Answer: The field of view is largest in the 25cm
mode
◉ Which of the following can occur when the central ray is NOT
aligned perpendicular to the image receptor? Answer: 1. Image
improperly positioned
2. Distortion
◉ It is recommended that the signature of a patient on an informed
consent form should be witnessed by which of the following
, individuals? Answer: A healthcare worker that is not involved in the
procedure
◉ What must a radiographer do to correct a radiograph that had the
proper brightness but demonstrated excessive quantum noise?
Answer: Decrease kVp, increase mAs and leave all other factors the
same
◉ The breakdown of water molecules within the body due to
irradiation is known as what? Answer: radiolysis
◉ Equalization can be applied to a digital image to improve which of
the following?
A. Visibility of details
B. Spatial resolution
C. Noise
D. Sharpness of details Answer: A. Visibility of details
◉ What is the name of the proximal, funnel shaped portion of the
ureter called? Answer: Renal Pelvis
