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TEST PREP A-10 Flashcards

1
Q

Europium-activated barium fluorohalide is associated with

  • rare earth intensifying screens
  • image intensifiers
  • PSP storage plates
  • filament material
A

PSP storage plates

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2
Q

The threat of bodily harm, with apparent ability to do so, is termed

  • assult
  • battery
  • false imprisonment
  • invasion of privacy
A

assult

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3
Q

The position seen below is used to demonstrate

  • AP elbow, partial flexion, distal humerus
  • AP elbow, partial flexion, proximal forearm
  • lateral elbow, partial flexion, distal humerus
  • lateral elbow, partial flexion, proximal forearm
A

AP elbow, partial flexion, proximal forearm

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4
Q

An acute reaction caused by ingestion or infection of a sensitizing agent describes

  • asthma
  • anaphylaxis
  • myocardial infarction
  • rhinitis
A

anaphylaxis

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5
Q

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

  • processing algorithm
  • histogram
  • lookup table
  • exposure index
A

histogram

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6
Q

An accurately positioned oblique position of the first through fourth lumbar vertebrae will demonstrate the classic “Scotty dog.” What bony structure does the Scotty dog’s neck represent?

  • Superior articular process
  • Pedicle
  • Transverse process
  • Pars interaticularis
A

Pars interarticularis

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7
Q

Howis source-to-image distance (SID) related to exposure rate and receptor exposure?

  • As SID increases, exposure rate increases and receptor exposure increases.
  • As SID increases, exposure rate increases and receptor exposure decreases.
  • As SID increases, exposure rate decreases and receptor exposure increases.
  • As SID increases, exposure rate decreases and receptor exposure decreases.
A

As SID increases, exposure rate decreases and receptor exposure decreases.

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8
Q

What information must be included on an x-ray image for it to be considered as legitimate legal evidence?

  1. Name of facility where examination performed
  2. Examination date
  3. Date of birth
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1 and 2 only

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9
Q

Below illustrates a sectional image of the abdomen. Which of the following is represented by the number 4?

  • Left colic flexure
  • Pancreas
  • Left kidney
  • Spleen
A

Spleen

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10
Q

The principal late effects of ionizing radiation on humans include

  1. local tissue damage
  2. genetic effects
  3. malignant disease
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

2 and 3 only

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11
Q

Which of the following procedures requires that contrast medium be injected into the ureters?

  • Cystogram
  • Urethrogram
  • Retrograde pyelogram
  • Cystourethrogram
A

Retrograde pyelogram

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12
Q

What is the Standard International unit of radiation exposure?

  • R
  • rad
  • Gya
  • Gyt
A

Gya

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13
Q

Which of the following combinations would pose the least 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
A

1.2-mm focal spot, 85 kVp, 15 mAs

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14
Q

What is the structure indicated by the letter I below?

  • Greater tubercle
  • Coronoid process
  • Coracoid process
  • Acromion process
A

Coracoid process

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15
Q

Which of the following indicates the scaplar notch seen below?

  • D
  • H
  • K
  • M
A

H

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16
Q

The CR should be directed to the center of the part of greatest interest in order to avoid

  • rotation distortion
  • magnification
  • foreshortening
  • elongation
A

rotation distortion

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17
Q

Federal regulations regarding infection control in the workplace, as amended by the Occupatinal Safety and Health Administration 9OSHA), make which of the following requirements?

  1. Heaptitis B immunizations must be made available to all hospital employees.
  2. Puncture-proof containers must be provided for all used needles.
  3. Follow-up care must be providd to any staff accidentally exposed to blood splash/needle stick.
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

2 and 3 only

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18
Q

Imperfect expansion of the lung(s), often accompanied by dispnea, is called

  • COPD
  • pneumonia
  • pneumothorax
  • atelectasis
A

atelectasis

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19
Q

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
A

Barium enema (BE)

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20
Q

The exposure timer settings on three-phase radiographic equipment must be tested annually and must be accurate to within

  • +/-2%
  • +/-5%
  • +/-10%
  • +/-20%
A

+/-5%

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21
Q

Fluoroscopic equiptment features designed to eliminate unnecessary radiation exposure to patients and/or personnel

  1. protective curtain
  2. filtration
  3. collimation
  • 1 only
  • 1 and 2 only
  • 1 and 3 only
  • 1, 2, and 3
A

1, 2, and 3

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22
Q

Which of the following will best demonstrate the lumboscral articulation in the AP position?

  • CR perpendicular to L3
  • CR perpendicular to L5 to S1
  • CR caudad 30 to 35 degrees
  • CR cephalad 30 to 35 degrees
A

CR cephalad 30 to 35 degrees

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23
Q

The following projection(s) require(s) that the shoulder be placed in external rotation?

  1. AP humerus
  2. Lateral forearm
  3. Lateral humerus
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1 only

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24
Q

During endoscopic retrograde cholangiopancreatography (ERCP) examination, contrast medium is injected into the

  • hepatic duct
  • cystic duct
  • pancreatic duct
  • common bile duct
A

common bile duct

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25
Q

Which of the following is (are) well demonstrated in the oblique position of the cervical vertebrae?

  1. Pedicles
  2. Disk spaces
  3. Apophyseal joints
  • 1 only
  • 1 and 2 only
  • 1 and 3 only
  • 1, 2, and 3
A

1 only

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26
Q

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 resoution
A

High signal-to-noise ratio (SNR)

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27
Q

A decrease from 90 to 77 dVp in SF/analog imaging will result in a decrease in which of the following?

  1. Wavelength
  2. Scale of grays
  3. Optical density
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

2 and 3 only

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28
Q

The image shown below was made in the following recumbent position

  • RAO
  • Lateral
  • LPO
  • PA
A

LPO

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29
Q

Terms that reger to size distortion include

  1. magnification
  2. attenuation
  3. elongation
  • 1 only
  • 1 and 2 only
  • 1 and 3 only
  • 1, 2, and 3
A

1 only

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30
Q

Advantages of high-frequency generators include

  1. small size
  2. decreased patient dose
  3. nearly constant potential
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1, 2, and 3

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31
Q

Biologic materal is most sensitive to radiation exposure under which of the following conditions?

  • Deoxygenated
  • Oxygenated
  • Hypoxic
  • Anoxic
A

Oxygenated

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32
Q

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.
A

Abdomen ultrasound, lower GI series, upper GI series.

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33
Q

The RAO position is used to project the sternum to the left of the thoracic vertebrae in order to take advantage of the

  • pulmonary markings
  • heart shadow
  • posterior ribs
  • costal cartilages
A

heart shadow

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34
Q

As window level decreases

  • contrast scale increases
  • contrast scale decreases
  • brightness increases
  • brightness decreases
A

brightness decreases

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35
Q

The AP axial projection of the chest for pulmonary apices

  1. projects the apices above the clavicles
  2. requires 15 to 20 degrees of cephalad abgualtion
  3. 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
A

2 and 3 only

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36
Q

Rapid onset of severe respiratory or cardiovascular symptoms after ingestion or injection of a drug, vaccine, contrast agent, or food or after an insect bite describes

  • asthma
  • anaphylaxis
  • myocardial infarction
  • rhinitis
A

anaphylaxis

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37
Q

Which of the lines indicated below correctly demonstrates the relationship between the exposure received by the PSP and its resulting luminescence as it is laser scanned?

  • Line A is representative of PSP exposure.
  • Line B is representative of PSP exposure.
  • Neither line is representative of PSP exposure.
  • Both lines are representative of PSP exposure.
A

Line A is representative of PSP exposure.

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38
Q

The following is/are used to indicate the appropriateness of radiation intensity reaching the IR

  1. exposure index
  2. sinsitivity (S) number
  3. field of view (FOV)
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1 and 2 only

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39
Q

Which of hte following is most useful for bone age evaluation?

  • Lateral skull
  • PA chest
  • AP pelvis
  • PA hand
A

PA hand

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40
Q

What lies immediately under the phosphor layer of a PSP storage plate?

  • Reflective layer
  • Base
  • Antistatic layer
  • Lead foil
A

Reflective layer

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41
Q

Body substances and fluid that are considered infectious or potentially infectious include

  1. speutum
  2. synovial fluid
  3. cerebrospinal fluid
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1, 2, and 3

42
Q

The National Council on Radiation Protection and Measurements (NCRP) has recommended what total equivalent dose limit to the embryo/fetus?

  • 0.5 mSv
  • 5.0 mSv
  • 50 mSv
  • 500 mSv
43
Q

Fluids and medications are administered to patients intravenously for which of the following reasons?

  1. To promote rapid response.
  2. To administer parenteral nutrition.
  3. To achieve a local effect.
  • 1 only
  • 1 and 2 only
  • 1 and 3 only
  • 1, 2, and 3
A

1 and 2 only

44
Q

Which of the following is (are) tested as part of a QC program?

  1. Beam alignment
  2. Reproducibility
  3. Linearity
  • 1 only
  • 1 and 2 only
  • 1 and 3 only
  • 1, 2, and 3
A

1, 2, and 3

45
Q

The line-focus principle refers to the fact that

  • x-rays cannot be focused
  • x-rays travel in straight lines
  • the effective focal spot is larger than the actual focal spot
  • the actual focal spot is larger than the effective focal spot
A

the actual focal spot is larger than the effective focal spot

46
Q

Which of the following positions will move the fundus of the gallbladder shown below away from the superimposed transverse process?

  • RAO
  • LAO
  • LPO
  • Left lateral decubitus
47
Q

Which of the following effects does an analgesic have on the body?

  • Decrease pain
  • Helps delay clotting
  • Increases urine output
  • Combats bacterial growth
A

Decrease pain

48
Q

The roentgen, as a unit of measurement, expresses

  • absorbed dose
  • exposure in air
  • dose equivalent
  • dose to biologic material
A

absorbed dose

49
Q

Histogram appearance can be skewed if there is inaccuracy in

  1. part centering
  2. part positioning
  3. processing algorithm selection
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1, 2, and 3

50
Q

Bone densitometry is often performed to

  1. measure degree of bone (de)mineralization
  2. evaluate results of osteoporosis treatment/therapy
  3. evaluate condition of soft tissue adjacent to bone
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1 and 2 only

51
Q

Indirect modes of disease transmission include

  1. vector
  2. fomite
  3. airborne
  • 1 only
  • 1 and 2 only
  • 1 and 3 only
  • 1, 2, and 3
A

1, 2, and 3

52
Q

If a part received 0.8 rad during a 4-minute fluoroscopic examination, what ws the dose rate?

  • 2 mrad/min
  • 20 mrad/min
  • 200 mrad/min
  • 2000 mrad/min
A

200 mrad/min

53
Q

An increase from 78 to 92 kVp will result in a decrease in which of the following?

  1. Wavelength
  2. Beam intensity
  3. Energy
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
54
Q

In the 45-degree medial oblique projection of the ankle, the

  1. talotibial joint is visualized
  2. tibiofibular joint is visualized
  3. plantar surface should be perpendicular to the lower sig
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

2 and 3 only

55
Q

Major effect(s) of irradiation of macromolecules include(s)

  1. point lesions
  2. cross-linking
  3. main-chain scission
  • 1 only
  • 1 and 2 only
  • 1 and 3 only
  • 1, 2, and 3
A

1, 2, and 3

56
Q

Cells described as somatic include

  1. spermatozoa
  2. neuron
  3. muscle
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

2 and 3 only

57
Q

An animal host of an infectious organism that transmits the infection via a bite or sting is a

  • vector
  • fomite
  • host
  • reservoir
58
Q

If the exposure rate at 2.0 m from a source of radiation is 18 mR/min, what will be the exposure rate at 5 m from the source?

  • 2.8 mR/min
  • 4.5 mR/min
  • 18 mR/min
  • 85 mR/min
A

2.8 mR/min

59
Q

Methods of decreasing patient dose during fluoroscopic examinations and include

  1. use of last image hold
  2. using the lowest practical pulse rate
  3. kepping 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
A

1, 2, and 3

60
Q

An axial projection of the clavicle is often helpful in demonstrating a fracture that is not visualized using a perpendicular CR. When examining the clavicle in the PA position, how is hte CR directed for the axial projection?

  • Cephalad
  • Caudad
  • Medially
  • Laterally
61
Q

An exposure was made using 600 mA, 0.04-s exposure, and 85 kVp. Each of the following changes will serve to decrease the receptor exposure y one-half except a change to

  • 1/50-s exposure
  • 72 kVp
  • 18 mAs
  • 300 mA
62
Q

All the following are rules of good body mechanics except

  • keep back straight, avoid twisting
  • keep the load away from the body
  • push, do not pull, the load
  • keep a wide base of support
A

keep the load away from the body

63
Q

Which of the following is (are) accurate positioning or evaluation criteria for an AP projection of the normal knee?

  1. Femorotibial interspaces equal bilaterally.
  2. Patella superimposed on distal tibia.
  3. CR enterss 1/2 inch distal to base of patella.
  • 1 only
  • 1 and 2 only
  • 1 and 3 only
  • 1, 2, and 3
A

Femorotibial interspaces equal bilaterally.

64
Q

The source-to-table distance in fixed/staionary fluoroscopy must

  • be at least 15 inches
  • not exceed 15 inches
  • be at least 12 inches
  • not exceed 12 inches
A

be at least 15 inches

65
Q

Each of the following statements regarding respiratory structures is true except

  • the left lung has two lobes
  • the lower portion of the lung is the base
  • each lung is enclosed in peritoneum
  • the main stem bronchus enters the lunghilum
A

each lung is enclosed in peritoneum

66
Q

Which of the following artifacts is occasionally associated with the use of grids in digital imaging?

  • Incomplete erasure
  • Aliasing
  • Image fading
  • Vignetting
67
Q

Images useful indemonstrating postspinal fusion degree of motion include

  1. AP flexion and extension
  2. lateral flexion and extension
  3. AP right and left bending
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

2 and 3 only

68
Q

A blowout fracture usually occurs in which aspect of the orbital wall?

  • Superior
  • Inerior
  • Medial
  • Lateral
69
Q

What is the name of the structure indicated as number 7 in Figure below?

  • Lateral epicondyle
  • Medial epicondyle
  • Olecranon process
  • Trochlea
A

Lateral epicondyle

70
Q

Which of hte following projections/positions would best demonstrate structure number 8 seen in Figure below?

  • PA projection
  • Lateral projection
  • AP external oblique
  • AP internal oblique
A

AP external oblique

71
Q

The condition in which pulmonary alveoli lose their elasticity and become permanently inflated, causing the patient to consciously exhale, is

  • bronchial asthma
  • bronchitis
  • emphysema
  • tuberculosis
72
Q

Tungsten alloy is the usual choice of target material for radiographic equipment because it

  1. has a high atomic number
  2. has a high melting point
  3. can readily dissipate heat
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1, 2, and 3

73
Q

The portion of a hypodermic needle that attaches to the syringe is termed its

  • hub
  • gauge
  • length
  • bevel
74
Q

X-ray tube life may be extended by

  1. using high mAs with low kV technical factors
  2. avoiding lengthy anode rotation
  3. avoiding exposures to a cold anode
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

2 and 3 only

75
Q

Gonadal shielding should be provided for male patients in which of the following examinations?

  1. Femur
  2. Abdomen
  3. Pelvis
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1, 2, and 3

76
Q

A parallel plate ionization chamber receiving a charge from x-ray photons is a/an

  • photomultiplier tube
  • induction motor
  • autotransformer
  • AEC
77
Q

In which of the following projections was the image in Figure below?

  • AP
  • Medial/inernal oblique
  • Lateral/external oblique
  • Acute flexion
A

Lateral/external oblique

78
Q

Which of the following statements is (are) true with respect to the differences between the male and female bony pelvis?

  1. The female pelvicoutlet is wider.
  2. The pubic angle is 90 degrees or less in the male.
  3. The male pelvis is more shallow.
  • 1 only
  • 1 and 2 only
  • 2 and 3 only
  • 1, 2, and 3
A

1 and 2 only

79
Q

Which interaction between xx-ray photons and matter involves parial transfer of the incident photon energy to the involved atom?

  • Photoelectric effect
  • Compton scattering
  • Coherent scattering
  • Pair production
A

Compton scattering

80
Q

In which section of the automatic processor shown in Figure below are the unexposed silver halide grains acted upon?

  • Section 1
  • Section 2
  • Section 3
  • Section 4
81
Q

It is essential to question female patients of child-bearing age regarding the

date of their last menstrual period
possibility of their being pregnant
number of x-ray examinations. I have had in the past 12 months

1 only
1 and 2 only
1 and 3 only
1, 2 and 3

A

1 and 2 only

82
Q

Geometric and sharpness is influenced by which of the following?

Distance from object to image
Distance from source to object
Distance from source to image

1 only
1 and 2 only
1 and 3 only
1, 2, and 3

A

1, 2, and 3

83
Q

Minimum total amount of aluminum filtration (inherent plus added) of 2.5 mm is required in equipment operated

Above 50 kVp
About 60 kVp
Above 70 kVp
Above 80 kVp

A

Above 80 kVp

84
Q

Which of the following radiologic examinations would deliver the greatest ESE?

Chest
Skull
Abdomen
Thoracic spine

85
Q

Combinations of miliamperage and exposure time that produce a particular milliampere-seconds value will produce identical receptor exposures. This statement is an expression of the

Inverse-square law
Line-focus principal
Reciprocity law
De log E curve

A

Reciprocity law

86
Q

The AP projection of the scapula requires that the

Affected R&B abducted
CR enters approximately 2 in inferior to the coracoid process
Thorax be rotated about 15° toward the affected side

1 only
1 and 2 only
2 and 3 only
1, 2, and 3

A

1 and 2 only

87
Q

How can OID be reduced for a PA projection of the wrist?

Extend the fingers
Flexed the metacarpophalangeal joints
Extend the forearm
Oblique the metacarpals 45°

A

Flex the metacarpophalangeal joints

88
Q

How often are radiographic equipment collimators required to be evaluated?

Annually
Biannually
Semiannually
Quarterly

A

Semiannually

89
Q

During an intravenous urogram (IVU), the RPO position is used to demonstrate the

Left kidney parallel to the IR
Right kidney parallel to the IR
Right kidney perpendicular to the IR

1 only
2 only
1 and 2 only
1 and 3 only

A

1 and 3 only

90
Q

Impingement on the wrist, median nerve, causing pain and disability of the affected in and race is known as

Carpal boss syndrome
Carpal tunnel syndrome
Carpopedal syndrome
Radioulnar syndrome

A

Carpal tunnel syndrome

91
Q

All other factors remaining the same, if a 14 x 17” field is collimated to a 4 – in.² field, the radiographic image will demonstrate

Increase receptor exposure
decreased receptor exposure
more details/resolution
less detail/resolution 

A

Decreased receptor exposure 

92
Q

A term that is often used to describe a particular control, panel, software selection, in medical imaging is

Hardware
Algorithm
Histogram
Modem 

A

Algorithm 

93
Q

The legal doctrine res ipsa loquitur relates to which of the following?

Let the master answer
The thing speaks for itself
A thing or a matter settled by justice
Manor settled by precedent 

A

The thing speaks for itself

94
Q

What should be done to correct for magnification when using air-gap technique?

Decrees OID
Increase OID
Decrease SID
Increase SID

A

Increase SID

95
Q

In the AP projection of an aesthetic patient asthenic patient whose knee measures less than 19 cm from the anterosuperior iliac spine (ASIS) to tabletop, the CR should be directed

Perpendicularly
5° medially
5° Cephalad
5° caudad 

A

5° caudad

96
Q

Which of the following statements is (R) true regarding figure below?

Poor centering is evident
Hi Contrast is demonstrated
Inadequate penetration is evident

1 only
1 and 2 only
2 and 3 only
1, 2, and 3 

A

2 and 3 only 

97
Q

The x-ray image seen on the computer display monitor is a (an)

Analog image
Digital image
Phosphor image
Emulsion image 

A

Analog image 

98
Q

Which of the following effects(s) both the quantity and quality of the primary beam?

Half value layer (HVL)
Kilovoltage
Milliamperage

1 only
2 only
1 and 2 only
1, 2, and 3 

A

1 and 2 only 

99
Q

Which of the following groups of organs/structures are located in the left upper quadrant?

Left kidney, left suprarenal gland, and gastric fundus
Left suprarenal gland, pylorus, and the duodenal bulb
Hepatic flexure, cecum, and pancreas
Gastric fundus, liver, and cecum 

A

Left kidney, left suprarenal gland, and gastric fundus 

100
Q

For which of the following can a radiographer be found liable for a negligent tort?

Radiographer images the wrong forearm
Patient is injured while being positioned on the x-ray table
Radiographer fails to question patient about possible pregnancy before performing x-ray examination

1 only
1 in 2 only
2 and 3 only
1, 2, and 3 

A

1, 2, and 3

RAD TECH (4 decks)

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