Upgrade to remove ads
Exam 1 ARRT pt2
Terms in this set (82)
Which of the following would increase the signal-to-noise ratio (SNR)?
A. Increase x-ray intensity
The scapular Y position is used to demonstrate which of the following?
C. Anterior or posterior dislocation of the humerus
During retrograde urography contrast media is administered in which of the following ways?
C. Via a ureteral catheter
To prevent shape distortion which of the two elements must be parallel?
B. The object and the image receptor
Which of the following helps prevent oxidation of the developer?
The field positioning light and the actual radiation field CANNOT vary by more than what percentage of the SID?
Which of the following refers to the movement of the imaging plate as it is being read by the laser?
B. Slow scan
What is the name of the most distal part of the stomach?
Which of the following defines photoemission? Emission of .....
C. electrons when stimulated by light
Which of the following long-term effects to ionizing radiation is considered the most common?
Which of the following refers to the quality of the x-ray beam?
B. The energy of the x-ray beam
To assure the maximum radiation protection, which of the following is important?
D. All of the above
Which of the following oblique positions is preferred to demonstrate the sternum?
How many times must the primary beam scatter before reaching the radiographer behind the control booth?
A flat panel detector is exposed with nothing between the x-ray tube and detector. The pixel readings of 5 different regions of interest (ROI) across the detector are averaged and compared. What quality control test was performed?
Which of the following DICOM standards assures digital images will look the same on various monitors?
C. DICOM grayscale standard display function
A patient that develops hives after the injection of a contrast medium may be given which type of drug?
To demonstrate the greater tubercle of the humerus, which of the following would be correct?
A. Supinate the hand
Which of the following is NOT a beam restricting device?
What is the area of the tungsten target called where the high speed electrons strike the surface?
B. Actual focal spot
The brightness gained by an image intensification tube is the product of which of the following?
B. Minification gain times flux gain
What is it called when part of a patient's bronchial tree is blocked, causing a partial collapse?
Many contrast media procedures require fasting and laxatives, which of the following patient types should be done first?
C. Debilitated patient
Which of the following positions is used to demonstrate foreign bodies in the hand?
D. Lateral in extension
A lateral projection of the thoracic spine requires a breathing technique of at least how many seconds?
Which of the following is the patient preparation for an upper GI series?
C. NPO for at least 8 hours prior to exam
What is the minimum number of persons needed for a stretcher-to-table transfer when using a draw sheet?
The distance between the centers of two adjacent pixels is known as:
B. pixel pitch.
How should x-ray film be stored?
A. On edge in a cool, dry room
If the SID is 40" and the OID is 8", what is the magnification factor?
AP weight bearing knees are ordered to demonstrate which of the following pathologies?
A patient suddenly has difficulty breathing, what is the first thing a radiographer must do?
B. Call for help
Which of the following positions/projections will produce the least exposure to the breasts during a scoliosis (thoracolumbar spine) radiographic series?
Which of the following is NOT related to recorded detail/spatial resolution?
What is the maximum amount of leakage radiation that can escape from an x-ray tube?
A. 100 mR/hr/meter
Beam restriction will affect which of the following radiographic qualities?
Where is Henle's loop located?
Fuji's cassette-based system uses a sensitivity (S) number to determine if the proper exposure was received by the imaging plate. If 200 is the ideal number, what number would indicate the plate was exposed to twice the necessary radiation?
Foreshortening of a radiographic image is the result of which of the following?
B. Angling the anatomical part
Which of the following describes the term projection?
B. Path of the x-ray beam
What is the filtration called that is manufactured into the x-ray tube and tube housing?
b. Inherent filtration
Which of the following positions/projections will best demonstrate the distal tibiofibular joint?
C. 45 degree medial oblique
The unit of radiation exposure, the roentgen, applies to which of the following radiations?
A. X ray and gamma ray
Which of the following sets of exposure factors will produce the greatest radiation exposure to the patient?
B. 200 mA, .2 second, 80 kVp, 30" SID
To reduce the risks of causing leukemia, which of the following anatomical parts should be shielded from radiation exposure whenever possible?
C. Bone marrow
What must the radiographer do to start the rotation of the anode?
D. Engage the rotor
The quality of an image displayed on a monitor depends on?
1. Matrix size 2. Size of field of view3. Bit depth
When radiation exposure causes hematopoietic death, what is the main reason why the person died?
C. Immune system is destroyed
What is the name of the imaginary line drawn between the outer canthus of the eye and the E.A.M.?
C. Orbitomeatal line
Tissue is more sensitive to radiation when irradiated under which of the following conditions?
C. Aerobic (well oxygenated)
During a myelogram, what position is the patient in when his head is put lower than his feet?
The 4th cervical vertebra lies at the level of which of the following topographical landmarks?
C. Thyroid cartilage
Which of the following combines an automatic exposure control (AEC) system with a computerized technique chart?
c. Anatomically Programmed Radiography (APR)
Digital imaging requires higher frequency grids to prevent the Moire effect. This makes the grid less efficient, therefore, the grid ratio is increased to compensate. How does this high frequency, high ratio grid affect patient exposure?
B. Patient exposure is increased
Which of the following is a primary factor in protecting radiographers from scatter radiation?
C.Use some type of lead shielding
The first ribs form a joint with which of the following?
Generally, how much must a digital image receptor be overexposed in order to produce saturation?
What is the most proximal end of the fibula called?
For a lateral position of the L5-S1 junction, the central ray enters on the midcoronal plane at a point:
A. 1 1/2" inferior to the iliac crest.
Which of the following should be checked daily to make sure that the automatic film processor is properly processing films?
A. Developer temperature
What is the device called that regulates the amount of IV fluid given to a patient and the time of infusion?
B. Infusion pump
Which of the following should be done to reduce OID on a PA projection of the wrist?
B. Flex fingers slightly
Fluoroscopy produces a considerable amount of exposure to the patient as well as the personnel, that is why the NCRP requires that fluoroscopic units CANNOT exceed how many R/minute?
For a true lateral position of the skull, the midsagittal plane must be in which for these positions?
C. Parallel to the image receptor
Which of the following positions/projections is demonstrated in this radiograph?
C. Lateral cervical spine in extension
If a child must be restrained for a radiographic examination, who should be asked to assist the radiographer?
C. A parent
The term intrathecal refers to an injection into which of the following anatomical areas?
D. Spinal canal
A patient in the first stages of shock would display which of the following symptoms?
B. Increased respirations, anxiety levels increase, skin is cold and clammy
How would the digit "0" of a CR or DR digital image appear on a monitor?
B. White pixel
Which of the following positions would best demonstrate the rectum filled with barium?
How will the use of radiographic grids affect the contrast of a radiograph?
B. Produce higher contrast
Failure of a radiographer to provide reasonable care describes which of the following?
If a digital imaging system can record 10 lines per millimeter, what is its spatial resolution?
B. 5 lp/mm
To best demonstrate the body of the mandible in an axiolateral projection, the head must be placed in which of the following positions?
B. 30 degree rotation toward the affected side
How does quantum noise appear on a digital image?
Which of the following is NOT a fundamental property of an x-ray beam?
C. Is negatively charged
Where is the needle placed for a lumbar puncture during a myelogram?
C. L3 - L4
Any image on a radiograph that is foreign to the patient, describes which of the following?
The skull and spine make up which of the following?
C. Axial skeleton
A CT scanogram can be used for which of the following purposes?
B. Long bone measurement
When manipulating a digital image, what does changing the window width do?
B. Changes the contrast of the image
Which of the following is the most effective means of protection from ionizing radiation available to the radiographer?
B. Get as far as possible from a source of radiation
THIS SET IS OFTEN IN FOLDERS WITH...
RT - Registry 2
Mock Exam 1
Exam 2 ARRT
YOU MIGHT ALSO LIKE...
practice test 1
Exam 2 ARRT pt2