Identify which patients should be placed in an isolation, Identify all potential risks, Identify evaluation procedures

Which three of the following pathologic conditions might require an increase in technical factors?(Select three)

Osteopetrosis, Pulmonary edema, Advanced Paget's disease

What could be the effect of leaving (OSL) dosimeter on the dashboard of an automobile?

There would not be a change in the reading

When screening patients for fall risk, which of the following should the radiographer check for?(Select all that apply)

Impaired mobility, Use of an assistive device, Altered mental status, Orthostatic hypotension

What is the function of the phosphor layer in the photo-stimulable phosphor (PSP) plate during the X-ray exposure?

Trap electrons in the F-centers

In the x-ray circuit, the timer is located:

On the primary side of the high-voltage transformer

Sources of natural radiation include which two of the following? (Select two)

Cosmic radiation, Background radiation

Which three of the following are considered to be errors when evaluating this radiograph (3 Answers)

Time stamp, Presence of an anatomic side marker, Proper patient rotation

Which of the following respiratory diseases would require a decrease in exposure factors?

Chronic obstructive pulmonary disease

Which of the following would have an effect on the half-value of an x-ray beam?

Increase added filtration, Increasing kilovoltage peak (kvp)

What 2 statements about eye contact are true?

Important type of nonverbal communication, To help assure that the patient understood instructions

Increasing grid ratio will result in:

Increased probability of grid cut-off

Which 3 of the following lab test can be measured directly?

Glomerular filtration rate, Creatine, Blood urea nitrogen (BUN)

What can pulmonary artery flow-directed catheters (swan-ganz) be used for? (select 3)

Measuring right heart pressures, Diagnose ventricular failure, Measuring cardiac output

As compared to a low-ratio grid, a higher ratio could be manufactured by:

Reducing the width of the interspace materials

Which of the following signs and symptoms occurs during the latent period of the gastrointestinal (GI) syndrome?

No signs or symptoms occur during the latent period

Which three of the following would result in improved visualization of anatomic structures? (Select three)

Increased signal-to-noise ratio (SNR), Increased spatial resolution, Decreased pixel size

studbud

Fake 2025 mock

148 termsStudBud Administration76 plays

Imported from external platform

Flashcards148 cardsFPractice quizPHost liveL

Questions 148

Answers

1
A radiographer observes that a patient's intravenous site has become swollen and puffy?
Do nothing
Clamp off the IV line
Restart IV
Apply cold compress
2
The vertebra prominens refers to the:
1st sacral segment
5th lumbar vertebra
7th cervical vertebra
1st cervical vertebra
3
Diphenhydramine (Benadryl) is most commonly used to treat:
Diarrhea
Vomiting
Seizures
Allergies
4
Radiograph of the sternum is shot in a prone position. To project the sternum within the heart shadow, the:
Central ray should be directed caudad
Right side should be elevated
Central ray should be directed cephalad
Left side should be elevated
5
Which of the following photon interactions with matter results in the ejection of a K-shell electron?
Pair production
Photoelectric interaction
Compton’s interactions
Coherent scatter
6
(READ PIC)
Identify which patients should be placed in an isolation
Identify how the facility will stay compliant
Identify all potential risks
Identify evaluation procedures
7
Which three of the following pathologic conditions might require an increase in technical factors?(Select three)
Osteopetrosis
Active osteomyelitis
Pulmonary edema
Advanced Paget's disease
8
In order to obtain a lateral projection of the scapula, the body of the scapula should be adjusted:
Parallel with the central ray
At a 45-degree angle with the image receptor
Perpendicular to the central ray
Parallel with the image receptor
9
(READ PIC)
Vector
Pathogen
Reservoir of infection
Fomite
10
What could be the effect of leaving (OSL) dosimeter on the dashboard of an automobile?
The crystal inside the badge could disintegrate
There would not be a change in the reading
The reading could be lower than the actual exposure
The reading could be higher than the actual exposure
11
Which of the following types of radiation would be classified as electromagnetic?
Alpha
Neutrons
Beta
Gamma
12
What is the minimum equivalent requirement for thyroid shield?
0.25 mm
1.0 mm
0.50 mm
0.35 mm
13
A patient who needs to schedule an (IVU) , Upper (GI), and lower GI examination calls to ask which sequence.....
Upper GI, Lower GI, IVU
IVU, Upper GI, Lower GI
IVU, lower GI, upper GI
Lower GI, Upper GI, IVU
14
Identify the anatomical structure represented by the letter (E):
Tibial prominence
knee
Tibial tuberosity
Tibial condyle
15
Which of the following best demonstrates the left colic splenic flexure of the colon
Left posterior oblique (LPO)
Left anterior oblique (LAO)
Axial large intestine, chassard alpine method
Anteroposterior (AP)
16
What is the purpose of using the Trendelenburg position for the radiograph?
Demonstrate the distal ureters
Make the voiding part of the exam easier for the patient
Ensure that the renal pelvis and calyces are filled with contrast media
Demonstrate the proximal urethra
17
When screening patients for fall risk, which of the following should the radiographer check for?(Select all that apply)
Impaired mobility
Use of an assistive device
Altered mental status
Orthostatic hypotension
18
30 KeV XR photon ejects a k shell electron with a binding energy of 3 Kev. The resultant energy of the photoelectron is:
27 Kev
33 Kev
0.33 Kev
19
What is the function of the phosphor layer in the photo-stimulable phosphor (PSP) plate during the X-ray exposure?
Convert x-ray photons directly to an electronic signal
Trap electrons in the F-centers
Convert light directly to an electronic signal
Emit a laser light
20
In the x-ray circuit, the timer is located:
On the primary side of the high-voltage transformer
On the low-voltage filament circuit
Between the rectifier and the x-ray tube
On the secondary side of the high-voltage transformer
21
Valsalva maneuver :
Esophageal varices
attempting to forcibly exhale while keeping the mouth and nose closed.
22
Sources of natural radiation include which two of the following? (Select two)
Off-focus radiation
Leakage radiation
Cosmic radiation
Background radiation
23
For IR procedures, the fluoroscopy may be equipped with a high level control, which allows the exposure rate of...
200 milligrams/ minute
100 milligrams/ minute
600 milligrams/ minute
300 milligrams/ minute
24
Which three of the following are considered to be errors when evaluating this radiograph (3 Answers)
Imaging of the entire kidney of interest
Time stamp
Presence of an anatomic side marker
Proper patient rotation
25
(NRCP) recommends a monthly equivalent dose limit to the embryo- fetus not exceed:
0.25 millisievert per month
0.5 millisievert per month
0.75 millisievert per month
1 millisievert per month
26
Which of the following automatic exposure control (AEC) features establishes the max exposure for the system for over ex
Density control
Ionization chamber
Amplifier
Back up time
27
Which of the following respiratory diseases would require a decrease in exposure factors?
Chronic obstructive pulmonary disease
Pulmonary embolism
Atelectasis
Histoplasmosis
28
Which of the following would have an effect on the half-value of an x-ray beam?
Increasing milliampere seconds (mAs)
Increasing beam restriction
Increase added filtration
Increasing kilovoltage peak (kvp)
29
A radiographer touches her patient without justification or excuse. This situation may constitute:
Negligence
Defamation
Assault
Battery
30
Identify the anatomic structure labeled 2 in the illustration:
Cystic Duct
Common bile duct
Pancreatic duct
Duodenum
31
Which of the following has been proposed by (AAPM) to serve as a standardized exposure indicator for all manufacturers
Deviation index
Log median exposure
S-value
Exposure index
32
During a radiographic examination, if a patient stops breathing and has no pulse, the radiographer should FIRST:
Inject epinephrine
Obtain a defibrillator
Begin cardiopulmonary resuscitation
Call for help
33
What 2 statements about eye contact are true?
Important type of nonverbal communication
Eye contact is disrespectful in some cultures
To help assure that the patient understood instructions
34
Increasing grid ratio will result in:
Increased production of scatter radiation
Decreased absorption of scatter radiation
Decreased production of scatter radiation
Increased probability of grid cut-off
35
Which 3 of the following lab test can be measured directly?
Glomerular filtration rate
Cystitis c
Creatine
Blood urea nitrogen (BUN)
36
The prodromal stage of acute radiation syndrome occurs:
Within a month after exposure
Within a day after exposure
Within hours after exposure
Within a week after exposure
37
The functional unit of the kidney is in the:
Medulla
Nephron
Calyx
Hilum
38
The use of a radiographic grid will:
Increase patient exposure
Decrease patient exposure
Have no effect on patient exposure
Decrease image quality
39
What is the patient's position for the stomach radiograph?
RAO
LAO
LPO
RPO
40
Which of the following determines the values of interest (VOI)?
Histogram analysis
Grayscale analysis
Digital data analysis
Value analysis
41
The most important long-term somatic effect of ionizing radiation is:
Erythema
Radiation syndrome
Cancer
Mortality
42
What can pulmonary artery flow-directed catheters (swan-ganz) be used for? (select 3)
Measure heart rhythm
Measuring right heart pressures
Diagnose ventricular failure
Measuring cardiac output
43
As compared to a low-ratio grid, a higher ratio could be manufactured by:
Decreasing the width of the lead strips
Decreasing the number of lead strips
Reducing the width of the interspace materials
Decreasing the height of the lead strips
44
Which of the following signs and symptoms occurs during the latent period of the gastrointestinal (GI) syndrome?
Vomiting
Severe nausea
Diarrhea
No signs or symptoms occur during the latent period
45
The device in an image intensifier that converts x-rays to light is the:
Output phosphor
Input phosphor
Accelerating anode
Photocathode
46
Which three of the following would result in improved visualization of anatomic structures? (Select three)
Decreased contrast-to-noise ratio (CNR)
Increased signal-to-noise ratio (SNR)
Increased spatial resolution
Decreased pixel size
47
Identify structure number 7
condyle
mandibular process
coracoid process
coronoid process
48
How was the contrast administered for this radiograph?
Percutaneous puncture of the renal pelvis
Intravenous injection
Ureteral catheterization
49
When a patient complains of cramping during a barium enema the technologist should:
Tell the patient to hold their breath
Remove the enema tip
Stop the flow of barium
Raise the enema bag
50
How was the patient positioned to obtain this image?
Left lateral decubitus
Right lateral decubitus
51
In comparison to radiograph number 2, radiograph number 1 demonstrates:
Triquetrum and Pisiform separated
idfk
Foreshortened scaphoid
52
Identify the structure that is represented by the letter H:
Proximal phalanx of fourth digit
Proximal phalanx of fifth digit
Proximal phalanx of third digit
Proximal phalanx of second digit
53
When imaging a patient with a cast, the radiographer should make adjustments for the:
Cast material
Additive pathologic conditions
Destructive pathologic conditions
Increased thickness
54
Identify structure labeled by letter D
Glenoid
Clavicle
Acromion
Coracoid process
55
Which of the following combinations will deliver the least amount of radiation to the ovaries?
(AP) lumbar spine at 70 kilovoltage peak (KVp) and 14×17" field size
(PA) abdomen at 80 kilovoltage peak (KVp) and 14×17" field size
(AP) abdomen at 70 kilovoltage peak (kVp) and 14×17" field size
(PA) lumbar spine at 80 kilovoltage peak (KVp) and 7×17" field size
56
The most significant role of filtration in diagnostic imaging is to:
Prolong tube life
Reduce patient exposure
Improve overall image quality
Improve contrast
57
Identify the anatomic structure labeled 3 in the radiograph:
Ischium
Ischial tuberosity
Superior pubic ramus
Inferior pubic ramus
58
Who has the authority to make medical decisions on the patient's behalf if they are unable to do so?
The patient's physicians
A person listed in the patient's will
Power of attorney
Health care proxy
59
A personal dosimetry record typically includes the following exposures: (select 3)
Patient exposure
Shallow exposure
Deep exposure
Eye exposure
60
In the diagnostic x-ray range (50 to 150 kilovoltage peak), the greatest amount of absorption would occur in the:
Fat
Muscle
Soft tissue
Bone
61
Relationship between spatial resolution and fill factor can be described as :
Situationship
Indirect
Directly proportional
Direct
62
The output current from the secondary coil of the transformer is:
Decreased current
Alternating current
Increased current
Direct current
63
Each cell in an image matrix is called:
Element
Byte
Bit
Pixel
64
Which three of the following are examples of digital image post-processing? (Select three)
Histogram equalization
Electronic masking
Edge enhancement
Windowing
65
U.S. public law requires that x-ray generators terminate automatic exposure control (AEC)exposures at:
200 milliampere seconds (mAs)
300 milliampere seconds (mAs)
500 milliampere seconds (mAs)
600 milliampere seconds (mAs)
66
Which three of the following may be used to reduce patient exposure? (Select three)
Highest grid ratio possible
Lowest milliampere seconds (mAs) possible
Lowest grid ratio possible
Automatic exposure control (AEC)
67
Mobile radiographic unit cord to exposure switch must extend at least:
2 feet
5 feet
6 feet
3 feet
68
Which material is the anode of the diagnostic x-ray tube usually made of
Glass
Tungsten rhenium
Aluminum
Lead
69
Tachycardia can be caused by: select three
Cardiac damage
Hypotension
Large blood loss
Inadequate oxygen suppply
70
As the special frequency of objects increase, the modulation transfer function (MTF):
Decrease
Increase
71
Which of the following would have the highest linear energy transfer?
Gamma
Alpha
Microwave
Beta
72
The inverse square law involving distance could be applied to:
intensity of radiation
Force of magnetic fields
intensity of light
force of electrostatic charges
73
Secondary radiation barriers:
Are never struck by the primary beam
Protect only radiology personnel
Are thicker than primary barriers
Are never struck by leakage radiation
74
Identify the anatomic structure labeled 2 in the radiograph:
Major calyx
Distal ureter
Renal Pelvis
75
A modulation transfer function (MTF) of 1 would be easier to achieve with which two of the following? (Select two)
Large objects
Objects with a low spatial frequency
small objects
Objects with a high spatial frequency
76
Which of the following is true about the nucleus of a cell?
Contains organelles
Protects the cell
Contains the master molecule that controls cell division
Conducts all cellular metabolism
77
Identify the structure that is represented by the letter (I):
Petrous ridge
Maxillary sinus
Coronoid process
Zygomatic bone
78
(read picture)
30 degrees
15 degrees
5 degrees
45 degrees
79
In which component does the quantization process take place?
Analog-to-digital conversion (ADC)
Pre-processing algorithm
Post-processing algorithm
Spatial localization
80
Digital image brightness on a display monitor is controlled by the:
Histogram analysis
Window level
Look-up table
Window width
81
Which of the following technical factors should be adjusted when positive contrast media agents are used?
Milliamperes (mA)
Kilovoltage peak (kVp)
Exposure time
Focal spot size
82
Which of the following would produce the greatest exposure to the patient?
Decreased milliampere seconds
Increased filtration
Increased source-to-object receptor distance
Decreased source-to-image receptor distance
83
Which of the following digital detector characteristics would result in the highest spatial resolution?
Detector element (DEL) size of 120 microns with a 75% fill factor
Detector element (DEL) size of 100 microns with a 90% fill factor
Detector element (DEL) size of 140 microns with a 90% fill factor
Detector element (DEL) size of 250 microns with an 85% fill factor
84
Portal of exit usually corresponds to the:
Susceptible host
Site where the pathogen is localized
Susceptible carrier
Mode of transmission
85
(Read Picture)
Angle the central ray 10 degrees caudally
Increase patient obliquity
Decrease patient obliquity
Angle the central ray 10 degrees cephalic
86
The superior articulation of the calcaneus is with the:
Distal tibia
Cuneiforms
Cuboid
Talus
87
To elevate the luminance response of a digital display monitor, one would need to utilize a:
Photometer
Sensitometer
Densitometer
Dosimeter
88
Which of the following describes a disease producing organism (select all)
Bacteria
Protozoan parasites
Virus
Fungi
89
Identify the structure that is identified by the letter (F):
Odontoid process
Maxiallry sinus
Mandibular angle
ZYgomatc bone
90
The fluoroscopy television camera tube receives an image from and is directly coupled to the:
Electrostatic focusing lens
Output phosphor of the image intensifier
Input phosphor of the image intensifier
X-ray tube collimator
91
Which of the following is an example of the enteral route?
Oral
Transdermal
Intradermal
Inhalation
92
Which three of the following are retroperitoneal structures? (Select three)
Urethra
Adrenal gland
Ureter
Kidney
93
Which of the following respiratory diseases would require a decrease in exposure factors?
Chronic obstructive pulmonary disease
Atelectasis
Pulmonary embolism
Histoplasmosis
94
Which of the following would allow an individual to survive larger amounts of radiation? ( select 2)
Fractionation
Protraction
Oxygenation
Immunization
95
Extravasation of iodinated contrast media may lead to which three of the following? (Select three)
Inflammatory response
Nephrogenic response
Compartment syndrome
Tissue necrosis
96
The output current of a full-wave rectifier is:
Pulsating alternating current
Alternating current
Pulsating direct current
Direct current
97
Identify the structure that is represented by the letter (M):
Shaft of radius
Shaft of ulna
Capitulum
Radial tuberosity
98
The network of capillaries where filtration occurs illustrated in the diagram below is represented by number:
3
4
2
1
99
According to NCRP how often should mA, timer, and kVp on XR generator be checked?
Biannually
Annually
Quarterly
Monthly
100
Patient is unable to raise the unaffected arm enough for the radiograph below, how should the central ray be adjusted:
3-5 degrees caudad
10-15 degrees cephalad
10-15 degrees caudad
3-5 degrees cephalad
101
The inverse square law involving distance could be applied to: (select 3)
Force of electrostatic charges
Intensity of light
Intensity of beam
Intensity of radiation
102
X-ray was produced using 40 SID, large focal spot, 60 kVp, 200 mA, 0.25 time. Which would result in a decreased contrast
Decrease the SID to 30” and utilize 50 mAs
Increase kVp to 75 and decrease mA to 100
Decrease the kVp to 55 and increase the mA to 400
Increase the SID to 50” and utilize 25 mAs
103
Automatic exposure control (AEC) backup time should be set at:
150% of the anticipated manual exposure time
100% of the anticipated manual exposure time
200% of the anticipated manual exposure time
50% of the anticipated manual exposure time
104
The most frequent site of the nosocomial infection in hospitals is:
Urinary tract infection
IV infection
Comon cold
105
Characteristic target interactions may occur only when he incident electron interacts with :
Inner shell electron
Outer shell electron
106
According to (NCRP) recommendations, what is the minimum source-to-skin distance for stationary fluoro
15 inches (30 cm)
5 inches (13 cm)
2 inches (5 cm)
10 inches (25 cm)
107
The wavelengths of diagnostic x-rays would range from:
0.1 to 0.5 Angstrom
10 to 100 Angstrom
0.001 to 0.01 Angstrom
0.00001 to 0.0001 Angstrom
108
What effect does a diuretic have on the body?
Increase urine production
increase feces production
109
(READ PIC)
Increase the kVp to 80 and decrease the mAs to 3
Utilize a 5:1 grid and increase the mAs to 12
Decrease the kVp to 60 and increase the mAs to 12
Decrease the SID to 30" and increase the mAs to 12
110
What is used to collect the light released from the PSP plate during scanning in the CR image reader device?
Drive mechanism
Photophosphor layer
Scintillator
TFT layer
111
Which of the following radiation is the most highly ionizing?
Gamma rays
Alpha particles
X-rays
Beta Particles
112
Identify the anatomic structure labeled as B in the radiograph.
Ascending colon
Descending colon
Gastric bubble
Fecal matter
113
Identify the anatomic structure labeled 1
Navicular
Talus
cuboid
Calcaneus
114
Which of the following explanations should be used if a patient asks you to describe a living will?
A living will can only be explained by your attorney
identifies a person who will make healthcare decisions
states your wishes regarding future healthcare if you become unable
advanced directive, just like a power of attorney
115
Identify the anatomic structure labeled 3 in the radiograph:
Bladder
Renal Pelvis
Proximal Ureter
Distal Ureter
116
Which of the following would result in an increase in spatial resolution?
Increased source-to-image receptor distance (SID)
Decreased source-to-image receptor distance (SID)
Increased object-to-image receptor distance (OID)
Decreased source-to-object receptor distance (SOD)
117
A DNR order applies to
Cardiopulmonary resuscitation (CPR)
Healthcare proxy
Patients will
Nothing important
118
Restricting the primary beam can reduce the exposure outside the radiation field up to:
100%
25%
10%
50%
119
Identify the anatomic structure labeled 2
Cuboid
Navicular
Talus
Calcaneus
120
Identify the anatomic structure labeled 1 in the radiograph:
Ascending colon
Cecum
Sigmoid colon
Descending colon
121
annual effective dose limit established by the (NCRP) for occupational exposure?
500 millisievert
0.05 sievert
0.5 sievert
5.0 sievert
122
Which double-contrast barium enema view demonstrates air in the lateral projection of the descending colon?
Left lateral projection
Right lateral decubitus
Anteroposterior (AP) projection
Left lateral decubitus
123
Which letter in the diagram below refers to the phosphor layer?
Letter A
Letter C
Letter B
Letter E
124
Which of the following laboratory tests measures the waste product of metabolism?
Glomerular filtration
Blood urea nitrogen
Cystatin C
Leukocytes
125
(READ PIC)
Oxygen saturation level
Radiation biologic effect
Tissue weighting factors
Half-value layer
126
Which two of the following tests are used to assess heart disease or heart activity? (2 Answers)
Electrocardiogram (ECG)
Mammography
Electroencephalogram (EEG)
Transesophageal echocardiography (TEE)
127
The method of imaging the brain by measuring electrical activities in different parts of the brain is known as:
Electrophysiology
Electromyography
Electroencephalography
Electrocardiography
128
Which of the following is a true statement about the biological effects of ionizing radiation?
As linear energy transfer (LET) ecreases, biologic damage increases
As linear energy transfer (LET) increases, biologic damage decreases
As linear energy transfer (LET) increases, biologic damage increases
129
Which of the following monitors would provide the highest spatial resolution?
10-gigapixel
5-gigapixel
5-megapixel
10-megapixel
130
Identify the letter B
Bowman's Capsule
Efferent arteriole
Knott of henle
Afferent arteriole
131
Which two of the following interactions produce diagnostic x-rays? (Select two)
Characteristic radiation
Pair production
Bremsstrahlung radiation
Photoelectric effect
132
What relationship do milliamperes (mA) and time have with the image receptor exposure?
Non-important
Directly proportional
Mutually exclusive
Inversely proportional
133
Which three of the following can be used to defend the radiographer accused of false imprisonment for restraining...
A risk that the patient was going to hurt him or herself
A risk that the patient was going to move during radiographic exposure
A risk that the patient was going to hurt another patient
A risk that the patient was going to hurt the technologist
134
Which of the following combinations would result in the least tissue damage?
Fractionated dose, adult tissue
Fractionated dose, highly oxygenated tissue
Non-protracted dose, fetal tissue
Non-protracted dose, highly oxygenated tissue
135
Which of the following is considered a pre-processing function for digital imaging?
Windowing
Histogram analysis
Digitization
Annotation
136
What degree of obliquity should be used for the radiograph?
30 degrees
45 degrees
40 degrees
35 degrees
137
Identify the structure that is represented by the letter (I):
Left kidney
Gastric bubble
Liver
Air in large intestine
138
The Compton effect is characterized as an interaction between an x-ray photon and:
An inner shell electron
A nucleus
An outer shell electron
Another photon
139
What is the CR entrance and exit points for parietoacanthial projection of sinuses, water method?
Entrance temporal bone, exit acanthion
Entrance parietal bone, exit nasion
Entrance parietal bone, exit acanthion
Entrance occipital bone, exit glabella
140
MRSA, VRSA, and ESBL are transmitted by:
Direct contact
Indirect contact
141
The LUT is used in digital imaging to give the image the appropriate display contrast
True
False
142
Identify number 4
basilic vein
brachial vein
cephalic vein
Median cubital vein
143
Identify the structure that is represented by the letter (D)?
Zygomatic bone
Inferior orbital margin
Maxillary sinus
Petrous ridge
144
(Read Pic)
Spills
Non intact skin
Blood
All body fluids
145
Which of the following supplies blood to the glomerulus?
Efferent arterioles
Convoluted tubule
Collecting tubule
Afferent arterioles
146
Which three of the following would affect patient exposure during a radiographic procedure? (3 Answers)
Focal spot size
Filtration
Kilovoltage peak (KVp)
Beam restriction
147
The collimation assembly of a radiographic unit
Upper and lower set of shutters
Rotating shutters
148
Which of the following is/are used to collect the light released from the (PSP) during scanning in the (CR) image div...
Optical system
Drive mechanism
Photodetector
Laser scanner

Fake 2025 mock Flashcards | StudBud