TEST PREP A-12 Flashcards
The portion of the remnant x-ray beam representing anatomical details having desirable quality is called
- photoelectric
- Compton
- signal
- noise
signal
Which type of error results in grid cutoff at the periphery of the radiographic image?
- Off-focus
- Off-center
- Off-level
- Off-angle
Off-focus
In which of the following projections was the image below made?
- AP
- Medial/internal oblique
- Lateral/external oblique
- Acute flexion
Lateral/external oblique
During measurement of blood pressure, which of the following occurs as the radiographer controls arterial tension with the sphygmomanometer?
- The brachial vein is collapsed
- The brachial artery is temporarily collapsed
- The antecubital vein is monitored
- Oxygen saturation of arterial blood is monitored
The brachial artery is temporarily collapsed
As the CR laser scanner/reader recognizes the phosphostimulated luminescence (PSL) released by the PSP storage plate, it constructs a graphic representation of pixel value distribution, called a/an
- processing algorithm
- histogram
- lookup table
- exposure index
histogram
An accurately positioned oblique projection of the first throughfourth lumbar vertebrae will demonstrate the classic “Scotty dog.” What bony structure does the Scotty dog’s “eye” represent?
- Superior articular process
- Pedicle
- Transverse process
- Pars interarticularis
Pedicle
The term used to describe the gradual decrease in exposure rate as an x-ray beam passes through the matter is
- attemuation
- absorption
- scattered radiation
- secondary radiation
attemuation
Which three of the following elements must be included on an x-ray image ofor it to be considered as legitimate legal evidence?
- Name of facility where examination performed
- Examination date
- Date of birth
- Referring physician
- Patient identification
- Radiographer initials
- 1, 4, and 5
- 1, 2, and 5
- 4, 5, and 6
- 2, 3, and 4
1, 2, and 5
Referring to figure below, the pulmonary veins empty blood into which chamber of the heart?
- 2
- 4
- 5
- 6
- 8
6
Late effects of radiation include late tissue reactions. Examples of late tissue reactions include
- organ atrophy
- genetic effects
- malignant disease
- cataract formation
- reduced fertility
- 1, 3, and 4 only
- 2, 3, and 5 only
- 1, 4, and 5 only
- 1, 2, and 3
1, 4, and 5 only
Which of the following procedures requires that contrast medium is injected into the ureters?
- Cystogram
- Urethrogram
- Retrograde pyelogram
- Intravenous urogram
Retrograde pyelogram
The unit for kerna is
- R
- rad
- gray
- coulomb
gray
Which of the following combinations would pose the greatest hazard to a particular anode?
- 0.6-mm focal spot, 75 kVp, 30 mAs
- 0.6-mm focal spot, 85 kVp, 15 mAs
- 1.2-mm focal spot, 75 kVp, 30 mAs
- 1.2-mm focal spot, 85 kVp, 15 mAs
0.6-mm focal spot, 75 kVp, 30 mAs
What is the structure indicated by the letter A in Figure below?
- Greater tubercle
- Coronoid process
- Coracoid process
- Acromion process
Acromion process
Which of the following indicates the glenoid cavity seen in Figure below?
- B
- C
- H
- M
C
The CR should be directed to the center of the part of greatest interest to avoid
- shape distortion
- magnification
- foreshortening
- elongation
shape distortion
Federal regulations regarding infection control in the workplace, as amended by the Occupational Safety and Health Administration (OSHA), make which of the following requirements?
- Hepatitis B immunizations must be made available to all hospital employees
- Puncture-proof containers must be provided for all used needles
- Follow-up care must be provided to any staff accidentally exposed to blood splash/needlestick
- 1 only
- 1 and 2 only
- 2 and 3 only
- 1, 2, and 3
1, 2, and 3
Methods of decreasing patient dose during flouoroscopic examinations include
- use of last-image hold
- using the lowest practical pulse rate
- keeping the patient/part as close to the image intensifier as possible
- 1 only
- 1 and 2 only
- 2 and 3 only
- 1, 2, and 3
1, 2, and 3
Which of the following radiologic examinations requires preparation consisting of a low-residue diet, cathartics, and enemas?
- Upper GI series
- Small bowel series
- Barium enema (BE)
- Intravenous (IV) cystogram
Barium enema (BE)
The exposure timer settings on three-phase radiographic equipment must be tested annually and must be accurate to within
- +-2%
- +-5%
- +-10%
- +-20%
+-5%
Fluoroscopic equipment features designed to eliminate
unnecessary radiation exposure to patients and/or personnel include
- protective Pb curtain
- primary beam filtration
- collimation
- 1 only
- 1 and 2 only
- 1 and 3 only
- 1, 2, and 3
1, 2, and 3
Verbal disclosure of confidential information that is detrimental to the patient is called
- invasion of provacy
- slander
- libel
- assult
slander
If 300 mA has been selected for a particular exposure, what exposure time should be selected to produce 18 mAs?
- 40 ms
- 60 ms
- 400 ms
- 600 ms
60 ms
During endoscopic retrograde cholangiopancreatography (ERCP) examination, contrast medium is injected into the
- hepatic duct
- cystic duct
- pancreatic duct
- common bile duct
common bile duct
Which of the following should be well demonstrated in the oblique position of the cervical vertebrae?
- Pedicles
- Disk spaces
- Zygapophyseal
- 1 only
- 1 and 2 only
- 1 and 3 only
- 1, 2, and 3
1 only
Which of the following is most likely to produce a high-quality image?
- Small image matrix
- High signal-to-noise ratio (SNR)
- Large pixel size
- Low resolution
High signal-to-noise ratio (SNR)
Select from the following the type(s) of x-ray beam filtration whose function is to decrease patient’s skin dose.
- Inherent
- Added
- Compensation
- Collimation
- 1 only
- 1 and 2 only
- 1 and 3 only
- 2 and 3 only
- 1, 2, and 3
1 and 2 only
The image shown in Figure below was made in which of the following recumbent positions?
- RAO
- Lateral
- LPO
- PA
LPO
Terms tht refer to size distortion include
- magnification
- attenuation
- elongation
- 1 only
- 1 and 2 only
- 1 and 3 only
- 1, 2, and 3
1 only
Advantages of high-frequency generators include
- small size
- decreased patient dose
- nearly constant potential
- 1 only
- 1 and 2 only
- 2 and 3 only
- 1, 2, and 3
1, 2, and 3
The source-to-table distance in fixed/stationary fluoroscopy must
- be at least 38 cm (15 inches)
- not exceed 38 cm (15 inches)
- be at least 30 cm (12 inches)
- not exceed 30 cm (12 inches)
be at least 38 cm (15 inches)
Which of the following is the preferred scheduling sequence?
- Lower GI series, abdomen ultrasound, upper GI series
- Abdomen ultrasound, lower GI series, upper GI series
- Abdomen ultrasound, upper GI series, lower GI series
- Upper GI series, lower GI series, abdomen ultrasound
Abdomen ultrasound, lower GI series, upper GI series
Which of the following is/are demonstrated in the lateral projectin of the thoracic spine?
- Intervertebral spaces
- Zygapophyseal joints
- Intervertebral foramina
- 1 only
- 2 only
- 1 and 3 only
- 1, 2, and 3
1 and 3 only
As window width increases
- contrast scale increases
- contrast scale decreases
- brightness increases
- brightness decreases
brightness increases
The AP projection of the chest for pulmonary apices
- projects the apices above the clavicles
- requires 15o - 20o of cephalad angulation
- should demonstrate the medial ends of the clavicles equidistant from the vertebral column
- 1 only
- 1 and 2 only
- 2 and 3 only
- 1, 2, and 3
2 and 3 only
Rapid onset of severe respiratory or cardiovascular sypmtoms after ingestion or injection of a drug, vaccine, contrast agent, or food or after an insect bite describes
- asthma
- anaphylaxis
- myocardial infarction
- rhinitis
anaphylaxis
Select the statements from the following that correctly describe lines A and B in Figure below.
- Line A illustrates wider exposure latitude than line B
- Line B is typical of digital imaging systems
- Line A is tpical of PSP response
- Lines A and B are represientative of analog imaging
- 1 and 4
- 1 and 3
- 2 and 3
- 3 and 4
1 and 3
Which of the following is/are used to indicate the appropriateness of radiation intensity reaching the IR?
- Exposure index
- Sensitivity (S) number
- Field of view (FOV)
- 1 only
- 1 and 2 only
- 2 and 3 only
- 1, 2, and 3
1 and 2 only
Which of the following is the most useful for bone age evaluation?
- Lateral skull
- PA chest
- AP pelvis
- PA hand
PA hand
The uppermost/first set of collimator shutters closest to the x-ray tube port window functions
- as a variable aperture beam restrictor
- to absorb scattered radiation
- to reduce off-focus radiation
- as positive beam limitation
to reduce off-focus radiation