Radiologic Technologist Practice Test

Radiologic Technologist Practice Test

The American Registry of Radiologic Technologists (ARRT) is in charge of radiology technologists certification.

For this purpose, it administers the required examination.

The ARRT certificate exam covers four topic areas and they are patient care, safety in radiation, image production, and radiology procedures.

Take our practice test with a test with 25 questions that give you an idea of each of the tested areas.

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Radiology ARRT Practice Test

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Question 1
Please indicate what is the normal range for creatinine in the blood for a patient, who needs an Intravenous contrast injection?
A
0.2-0.6 mg/100 ml
B
0.6-1.5 mg/100 ml
C
1.5-2.0 mg/100 ml
D
2-4 mg/100 ml
Question 1 Explanation: 
The normal range for creatinine is from 0.6 to 1.5 mg/100 ml. Several diseases and conditions can lead to creatinine deficit, such as muscle and liver diseases. Higher than normal levels of creatinine are also harmful with symptoms such as nausea, vomiting, and hypertension.
Question 2
What does the acronym PACS stand for?
A
Picture Aid Computer System
B
Projection Affirmation Computer System
C
Picture Archiving and Communication System
D
Projection Analog and Computer System
Question 2 Explanation: 
PACS stands for Picture Archiving and Communication Systems and refers to the system that provides storage and access to radiographs.
Question 3
Please indicate which of the following statements is correct for viewing a radiograph for interpretation.
A
Position the radiograph as if the patient was looking away from you
B
Position the radiograph as if the patient was looking at you
C
Any positioning of the radiograph is acceptable
D
The radiograph positioning is irrelevant for interpretation and viewing
Question 3 Explanation: 
The left and right side of many radiographs today will be marked and it is important to know how to view it correctly. It is a widely accepted practice that radiographs are viewed as if the patient is facing you.
Question 4
There are several factors influencing x-ray quality. Please indicate what would be the best to use if you wish to modify the quality of x-ray.
A
Gray units
B
Peak voltage
C
Milliampere-seconds
D
Radiation Equivalent Man
Question 4 Explanation: 
The best way to modify the x-ray beam is to use peak voltage or kVp, which refers to the peak voltage applied to x-ray.
Question 5
Please indicate which of the following are not components of a quality assurance program:
A
Patient Dose Management
B
Checking that radiographs quality is up to standard
C
Checking radiographic equipment functioning
D
Patient satisfaction assessment
E
A and D
Question 5 Explanation: 
While otherwise important, checking patient satisfaction is not part of a quality assurance program. All of the other indicated actions are important components of a quality assurance program.
Question 6
Fluoroscopy was invented by Thomas Edison in the year...
A
1896
B
1903
C
1916
D
1920
Question 6 Explanation: 
Thomas Edison invented fluoroscopy in 1896. His discovered calcium tungstate screens, which later served as the basis for converting x-ray energy into visible light.
Question 7
Please indicate what would be the best to use if you only wish to modify the density of x-ray.
A
kVp
B
mAs
C
A and B
D
None of the above
Question 7 Explanation: 
Milliampere-seconds (mAs) can be used to alter radiographic density, while peak kilovoltage (kVp) controls radiographic contrast of an x-ray image.
Question 8
A Radiation Safety Officer (RSO) is tasked with...
A
conducting quarterly assessments of radiation levels
B
holding educational sessions with employees annually
C
A and B
D
conducting quarterly assessments of the radiation safety program
Question 8 Explanation: 
A RSO conducts quarterly reviews of radiation levels, assesses the radiation safety program annually, and holds educational sessions with employees annually.
Question 9
Unequal magnification of different portions of the same object is called...
A
elongation
B
magnification
C
noise
D
shape distortion
Question 9 Explanation: 
Unequal magnification of different portions of the same object is called shape distortion, which is different from and should not be confused with size distortion (magnification).
Question 10
Chemical agents that inactivate or destroy microorganisms are called...
A
antiseptics
B
inhalants
C
disinfectants
D
acids
Question 10 Explanation: 
Disinfectants liquids or other products can destroy pathogenic bacteria.
Question 11
Ionizing radiation, when applied to humans should be as low below the dose limits as is practical. Please indicate which radioprotection principle is this.
A
ALARA
B
TEDE
C
REP
D
None of the above
Question 11 Explanation: 
TEDE stands for "Total effective dose equivalent", REP stands for "Radiological Emergency Preparedness" and ALARA denotes the principle above and it stands for "As low as reasonably achievable".
Question 12
Medical and dental radiation accounts for what percentage of the radiation exposure of an average person?
A
3%
B
9%
C
45%
D
90%
Question 12 Explanation: 
Medical and dental radiation accounts for 90% of the radiation exposure of the general public.
Question 13
What does the acronym REM stand for?
A
Roentgen Early Man
B
Radiation Equivalent Man
C
Radiation Emergency Management
D
Radiological Exposure Management
Question 13 Explanation: 
REM stand for Radiation Equivalent Man and it refers to a unit of radiation dosage applied to humans.
Question 14
The action of limiting the size of the x-ray beam to a specific region, thus protecting the rest of the patient's body from radiation is called...
A
Fluoroscopy
B
Collimation
C
Bioassay
D
Cumulative dose
Question 14 Explanation: 
Collimation is the process of limiting the size of the x-ray beam to a specific region, thus protecting the rest of the patient's body.
Question 15
Please indicate which of the following should be used to move a patient with spinal cord injury?
A
Log rolling technique
B
Supervised sitting-to-sitting transfer
C
Moving with a 30 degree head tilt
D
None of the above
Question 15 Explanation: 
Proper transfer of patients with suspected spinal injury is very important. The logrolling method should be used.
Question 16
The patient is in supine position and the head rests lower than the feet. This position is refered to as...
A
dorsal recumbent
B
trendelenburg
C
right lateral recumbent
D
Fowler's
Question 16 Explanation: 
The described position is trendelenburg.
Question 17
Please indicate what post-examination instructions would a nurse give to a patient, who had barium enema.
A
Drink plenty of fluids
B
Do not drink fluids for 24 hours
C
Stop taking laxatives
D
A and C
Question 17 Explanation: 
Barium enema, or a colon x-ray, can cause constipation, so drinking large amounts of fluids or taking laxatives following the exam is recommended.
Question 18
Radiation-induced erythema is a common adverse effect of radiotherapy and refers to...
A
hair loss
B
skin redness
C
sore mouth
D
painful joints
Question 18 Explanation: 
While all above symptoms can appear as side effects of radiotherapy, erythema refers to the reddening of the skin due to increased blood flow in skin capillaries.
Question 19
Following a CAT scan of the head, a patient is experiencing breathing problems and feeling nauseous. These are likely signs that the patient is experiencing...
A
hypovolemic shock
B
cardiogenic shock
C
anaphylactic shock
D
None of the above
Question 19 Explanation: 
Anaphylactic shock is caused by a severe allergic reaction and its symptoms include tightening of the airways, which causes breathing problems, nausea, vomiting and low blood pressure.
Question 20
The x-ray tube is placed in a protective, lead-lined metal structure, whose function is to...
A
prevent radiation leakage as much as possible
B
improve the image
C
protect from electrical shock
D
A and C
Question 20 Explanation: 
The x-ray tube housing serves to minimize radiation leakage. It also serves as electrical and thermal insulation for the tube.
Question 21
The recommended minimum lead equivalent of protective lead aprons is
A
0.50 mm Pb
B
0.05 mm Pb
C
0.75 mm Pb
D
0.35 mm Pb
Question 21 Explanation: 
The recommended minimum lead equivalent of protective lead aprons is 0.50 mm Pb.
Question 22
Please indicate which of the following statements is correct regarding a poster-anterior chest radiograph:
A
Six posterior ribs should be visualized
B
The trachea should be included in the x-ray
C
The iliac crest should be visualized
D
B and C
Question 22 Explanation: 
On a poster-anterior chest radiograph, the trachea, with the upper thoracic must be visible. If the iliac crest is visible, then the patient was not positioned correctly. Correct positioning would result in more than six ribs being visible.
Question 23
What is it called when the intestines break through a weakened area in the diaphragm?
A
Umbilical hernia
B
Abdominal hernia
C
Spontaneous lateral ventral hernia
D
None of the above
Question 23 Explanation: 
When the intestines are protruding through a break in the abdominal wall, this is called abdominal hernia.
Question 24
Please indicate what does the GERD diagnosis stand for.
A
Gastroesophageal Reflux Disease
B
Gastrointestinal Reflex Disease
C
Gastroesophageal Reflex Dysfunction
D
None of the above
Question 24 Explanation: 
GERD stands for Gastroesophageal Reflux Disease and it refers to the condition when stomach acid frequently flows back into the esophagus.
Question 25
When is the correct time in a female patient's menstrual cycle to perform hysterosalpingogram?
A
During menstruation
B
Three days after menstruation
C
During ovulation
D
Three days before menstruation
Question 25 Explanation: 
The HSG or hysterosalpingogram is an x-ray used to check the shape of the uterine cavity and the fallopian tubes. It should be performed at least three days after menstruation, when there is no blood present to distort the image.
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