RTE 2563 EXAM 2 QUESTIONS WITH VERIFIED
ANSWERS
All of the following affect tube output EXCEPT FOR: - Answers - focal spot size
Subject contrast is affected by: - Answers - barium
An acceptable exposure indicator was achieved using 72 kVp and 20 mAs. A setting of
________ mAs should be used to produce a comparable exposure indicator if the
exposure is repeated using 83 kVp - Answers - 10
Which of the following might cause an increase in quantum mottle? - Answers -
decreasing the field size
A radiograph that demonstrates acceptable brightness in the middle of the image but
shows gradually increasing brightness bilaterally further from the center represents a(n)
________ error. - Answers - upside-down focused grid
Which of the following is NOT an advantage of beam restriction? - Answers - need for
less total filtration
A benign tumor consisting of cartilage is a(n): - Answers - enchondroma
The degree of needle angulation for venipuncture varies depending on the thickness of
the patient's skin because: - Answers - the thickness of the subcutaneous tissue varies
from patient to patient
The anode heel effect is most prevalent with a ________ SID and ________ receptor
size. - Answers - short; large
The ________ x-ray interaction is MOST common in the human body. - Answers -
compton
A radiograph that demonstrates acceptable brightness along one side of the image but
NOT on the opposite side represents a(n) ________ error - Answers - off-level grid
While performing intravenous drug injections, it is necessary to decrease the angle of
the needle once a flashback is seen in the intravenous catheter to: - Answers - avoid
passing through the vein
Which of the following is the correct circuitry sequence for incoming voltage in a high-
frequency generator? - Answers - rectifier, capacitor, inverter, transformer, rectifier,
capacitor
, A malignant tumor in the bone is a(n): - Answers - osteosarcoma
During the ________ stage of gestation, prenatal death can result from exposure to
ionizing radiation. - Answers - implantation
How many phalanges are located in the foot? - Answers - 14
What component is commonly replacing the vidicon camera found in older fluoroscopic
units? - Answers - charge-coupled device
The sampling frequency of an imaging system determines the: - Answers - pixel size
Which of the following is a benign tumor arising from Schwann cells of the eighth cranial
nerve? - Answers - acoustic neuroma
The AP axial oblique projections of the C-spine demonstrate the ___________ that are
___________ the image receptor. - Answers - intervertebral foramina; furthest from
Types of gonadal shielding include all of the following EXCEPT: - Answers - ferlic filter
Increasing the kVp from 70 to 80 will result in an increase in all of the following EXCEPT
the ________ of ________ photons - Answers - quality; characteristic
Which of the following factors affects subject contrast? - Answers - filtration
A double-contrast examination of the esophagus typically uses________ as the
negative contrast medium. - Answers - carbon dioxide crystals
The purpose of the rheostat in the x-ray circuitry is to: - Answers - adjust filament
temperature
The central ray enters the ________ when performing an AP axial projection of the
toes. - Answers - third MTP joint
An increase in the difference between the atomic numbers or densities of adjacent
tissues results in increased: - Answers - subject contrast
A malignant primary tumor of bone is a(n): - Answers - osteosarcoma
According to government regulations, the x-ray beam must be within ________
degree(s) of perpendicular. - Answers - 1
The device that is responsible for producing the high voltage necessary for x-ray
production is the - Answers - transformer
ANSWERS
All of the following affect tube output EXCEPT FOR: - Answers - focal spot size
Subject contrast is affected by: - Answers - barium
An acceptable exposure indicator was achieved using 72 kVp and 20 mAs. A setting of
________ mAs should be used to produce a comparable exposure indicator if the
exposure is repeated using 83 kVp - Answers - 10
Which of the following might cause an increase in quantum mottle? - Answers -
decreasing the field size
A radiograph that demonstrates acceptable brightness in the middle of the image but
shows gradually increasing brightness bilaterally further from the center represents a(n)
________ error. - Answers - upside-down focused grid
Which of the following is NOT an advantage of beam restriction? - Answers - need for
less total filtration
A benign tumor consisting of cartilage is a(n): - Answers - enchondroma
The degree of needle angulation for venipuncture varies depending on the thickness of
the patient's skin because: - Answers - the thickness of the subcutaneous tissue varies
from patient to patient
The anode heel effect is most prevalent with a ________ SID and ________ receptor
size. - Answers - short; large
The ________ x-ray interaction is MOST common in the human body. - Answers -
compton
A radiograph that demonstrates acceptable brightness along one side of the image but
NOT on the opposite side represents a(n) ________ error - Answers - off-level grid
While performing intravenous drug injections, it is necessary to decrease the angle of
the needle once a flashback is seen in the intravenous catheter to: - Answers - avoid
passing through the vein
Which of the following is the correct circuitry sequence for incoming voltage in a high-
frequency generator? - Answers - rectifier, capacitor, inverter, transformer, rectifier,
capacitor
, A malignant tumor in the bone is a(n): - Answers - osteosarcoma
During the ________ stage of gestation, prenatal death can result from exposure to
ionizing radiation. - Answers - implantation
How many phalanges are located in the foot? - Answers - 14
What component is commonly replacing the vidicon camera found in older fluoroscopic
units? - Answers - charge-coupled device
The sampling frequency of an imaging system determines the: - Answers - pixel size
Which of the following is a benign tumor arising from Schwann cells of the eighth cranial
nerve? - Answers - acoustic neuroma
The AP axial oblique projections of the C-spine demonstrate the ___________ that are
___________ the image receptor. - Answers - intervertebral foramina; furthest from
Types of gonadal shielding include all of the following EXCEPT: - Answers - ferlic filter
Increasing the kVp from 70 to 80 will result in an increase in all of the following EXCEPT
the ________ of ________ photons - Answers - quality; characteristic
Which of the following factors affects subject contrast? - Answers - filtration
A double-contrast examination of the esophagus typically uses________ as the
negative contrast medium. - Answers - carbon dioxide crystals
The purpose of the rheostat in the x-ray circuitry is to: - Answers - adjust filament
temperature
The central ray enters the ________ when performing an AP axial projection of the
toes. - Answers - third MTP joint
An increase in the difference between the atomic numbers or densities of adjacent
tissues results in increased: - Answers - subject contrast
A malignant primary tumor of bone is a(n): - Answers - osteosarcoma
According to government regulations, the x-ray beam must be within ________
degree(s) of perpendicular. - Answers - 1
The device that is responsible for producing the high voltage necessary for x-ray
production is the - Answers - transformer
