ARRT Registry Practice Test #1
A 25-gauge, 0.5-inch needle is BEST used for a(n) ____ injection.
A. Intradermal
b. Intramuscular
c. Subcutaneous
d. Intravenous - ANS-c. Subcutaneous
Subcutaneous is the first-rate choice for a 25-gauge needle, as it has a small diameter and
quick length if you want to no longer penetrate deeply into the dermis. Thegauge and length of
needles for ntradermal, intramuscular, and intravenous injections are all special.
A 4-12 months old patient enters the radiology suite for chest radiography and looks
aggravating. The baby has never had the examination before. She isn't talking or answering
questions. The technologist should fine attempt to communicate with the kid by way of:
a. Taking as a lot time as they want to give an explanation for the exam
b. Briefly exploring the radiology branch with the child
c. Offering the kid sweet for participating I the exam
d. Sitting eye degree with the child and on foot them thru the examination - ANS-d. Sitting eye
level with the kid and strolling them thru the examination
A affected person between 3 and 5 years antique may not be able to cause with the technologist
approximately the purpose of the examination. Walking thru the stairs with the child can be the
excellent approach to alleviate their pressure. A tour of the department is probably unsafe, and
taking an unlimited quantity of time to explain a process won't be feasible. The child won't be
able to eat candy, so supplying it can not be an excellent idea.
A backup timer for the automatic publicity control (AEC) serves to:
a. Terminate the publicity within the event of system or operator errors
b. Restriction the thermal loading of the anode
c. Increase inherent filtration
d. Modulate tube modern to reduce affected person publicity - ANS-a. Terminate the exposure
inside the occasion of equipment or operator blunders
A contrast medium that lets x-ray photons without problems bypass thru it's far considered:
a. Radiolucent
b. Radiopaque
c. Opaque
d. Transparent - ANS-a. Radiolucent
A affected person is injected with a huge volume of fluid intravenously; this is referred to as a(n):
a. Intravenous push
b. Bolus
c. Drip infusion
d. Drop go with the flow - ANS-b. Bolus
,A bolus is a big extent of injected fluid. An intravenous push is the motion of rapid injection of
fluid. Drip infusion is the infusion of liquid into the vein, but can consist of a massive or small
amount of liquid. Drop waft is not a scientific time period used in venipuncture methods.
A terminally sick patient has asked the doctor approximately viable volunteer opportunities
inside the hospital. She says that if she can volunteer inside the health facility, she might be able
to extend her life a chunk longer from doing suitable deeds. This represents the ____ stage of
grief for the affected person.
A. Bargaining
b. Anger
c. Denial
d. Depression - ANS-a. Bargaining
The bargaining stage makes a speciality of the desire the affected person has to extend her
lifestyles. Anger can occur as soon as the patient realizes her existence is being interrupted by
way of the illness. Denial can encompass rejecting information and preferring to be left by
myself. Depression impacts the affected person's mood or behavior concerning the illness, and
might purpose despair and mourning.
A wedge clear out is a form of ______ clear out.
A. Inherent
b. Compensating
c. Delivered
d. Trough - ANS-b. Compensating
A wedge filter is a kind of compensating filter. It is used to offer the receptor with uniform
publicity while imaging frame systems with varying thicknesses (i.E., a foot). The thick fringe of
the filter is positioned over the skinny structural part and the skinny edge is placed over the thick
structural part.
According to NCRP Report No. 116, annual occupational publicity to the lens of the eye should
not exceed:
a. 25 mSv
b. 50 mSv
c. A hundred mSv
d. A hundred and fifty mSv - ANS-d. 150 mSv
NCRP Report No. 116 states the annual occupational publicity limit for the lens of the attention
is 150 mSv, or 15 rem.
According to the American College of Radiology, which of the subsequent are warning signs for
obtaining a skeletal survey?
1. Suspected non unintentional trauma
2. Skeletal dysplasias, syndromes, and metabolic disorders
three. Neoplasms - ANS-1, 2, and three
All of the following affect the spatial resolution of an photograph EXCEPT FOR:
a. KVp
, b. Component size
c. Tube angle
d. SID - ANS-a. KVP
Kilovolts top has an impact on receptor publicity and comparison only. Tube angle impacts
spatial decision due to unequal magnification of the component. Part length influences spatial
resolution due to magnification (large components boom the OID, which results in reduced
spatial resolution). SID influences spatial resolution due to beam divergence.
All of the subsequent are inside desirable kVp accuracy variance for an exposure the usage of
80 kVp EXECPT FOR ____ kVp.
A. 86
b. Eighty four
c. 82
d. 76 - ANS-a. 86
The kVp variance is within +5%. At eighty kVp, the variance is four kVp (80 x 0.05 = 4).
Therefore, seventy six-84 kVp is within suited limits.
All of the following EXCEPT ___ will result in an growth in AEC reaction time.
A. Decreasing the kVp
b. Increasing the focal spot size
c. Increasing the part thickness
d. Growing the SID - ANS-b. Growing the focal spot length
Increasing the focal spot size does not alternate the AEC reaction time It influences the spatial
resolution. Decreasing the kVp increases the publicity time due to the fact more photons are
absorbed, resulting in fewer achieving the cell(s). The same is actual for increasing component
thickness. Increasing the SID effects in a longer exposure time because of beam divergence
and the lower within the range of photons accomplishing the cell(s).
An perfect PA chest examination is taken using three hundred mA, 0.008 seconds, and a
hundred and ten kVp. If this exam is repeated the use of an AEC that has a minimal response
time of 10 ms, which of the following publicity elements might be appropriate?
A. 400 mA, 0.006 seconds, one hundred ten kVp
b. Two hundred mA, 0.012 seconds, one hundred ten kVp
c. 600 mA, 0.004 seconds, a hundred and ten kVp
d. All of the above would be appropriate - ANS-b. 200 mA, 0.006 seconds, 110 kVp
The minimum reaction time (MRT) is the quantity of time it takes for the AEC to detect and
respond to an publicity. In this case, the MRT is 10 ms (0.01 seconds). This method that the
AEC will no longer terminate an exposure in less than 0.01 seconds. Therefore, the simplest
exposure setting that does not violate the MRT of this AEC is 2 hundred mA. If two hundred mA
is selected, the exposure time will run for zero.012 seconds and the receptor may be nicely
uncovered. If the publicity time for an exam is much less than the MRT, the receptor exposure
increases due to the fact the unit will now not flip off till the MRT is reached.
A 25-gauge, 0.5-inch needle is BEST used for a(n) ____ injection.
A. Intradermal
b. Intramuscular
c. Subcutaneous
d. Intravenous - ANS-c. Subcutaneous
Subcutaneous is the first-rate choice for a 25-gauge needle, as it has a small diameter and
quick length if you want to no longer penetrate deeply into the dermis. Thegauge and length of
needles for ntradermal, intramuscular, and intravenous injections are all special.
A 4-12 months old patient enters the radiology suite for chest radiography and looks
aggravating. The baby has never had the examination before. She isn't talking or answering
questions. The technologist should fine attempt to communicate with the kid by way of:
a. Taking as a lot time as they want to give an explanation for the exam
b. Briefly exploring the radiology branch with the child
c. Offering the kid sweet for participating I the exam
d. Sitting eye degree with the child and on foot them thru the examination - ANS-d. Sitting eye
level with the kid and strolling them thru the examination
A affected person between 3 and 5 years antique may not be able to cause with the technologist
approximately the purpose of the examination. Walking thru the stairs with the child can be the
excellent approach to alleviate their pressure. A tour of the department is probably unsafe, and
taking an unlimited quantity of time to explain a process won't be feasible. The child won't be
able to eat candy, so supplying it can not be an excellent idea.
A backup timer for the automatic publicity control (AEC) serves to:
a. Terminate the publicity within the event of system or operator errors
b. Restriction the thermal loading of the anode
c. Increase inherent filtration
d. Modulate tube modern to reduce affected person publicity - ANS-a. Terminate the exposure
inside the occasion of equipment or operator blunders
A contrast medium that lets x-ray photons without problems bypass thru it's far considered:
a. Radiolucent
b. Radiopaque
c. Opaque
d. Transparent - ANS-a. Radiolucent
A affected person is injected with a huge volume of fluid intravenously; this is referred to as a(n):
a. Intravenous push
b. Bolus
c. Drip infusion
d. Drop go with the flow - ANS-b. Bolus
,A bolus is a big extent of injected fluid. An intravenous push is the motion of rapid injection of
fluid. Drip infusion is the infusion of liquid into the vein, but can consist of a massive or small
amount of liquid. Drop waft is not a scientific time period used in venipuncture methods.
A terminally sick patient has asked the doctor approximately viable volunteer opportunities
inside the hospital. She says that if she can volunteer inside the health facility, she might be able
to extend her life a chunk longer from doing suitable deeds. This represents the ____ stage of
grief for the affected person.
A. Bargaining
b. Anger
c. Denial
d. Depression - ANS-a. Bargaining
The bargaining stage makes a speciality of the desire the affected person has to extend her
lifestyles. Anger can occur as soon as the patient realizes her existence is being interrupted by
way of the illness. Denial can encompass rejecting information and preferring to be left by
myself. Depression impacts the affected person's mood or behavior concerning the illness, and
might purpose despair and mourning.
A wedge clear out is a form of ______ clear out.
A. Inherent
b. Compensating
c. Delivered
d. Trough - ANS-b. Compensating
A wedge filter is a kind of compensating filter. It is used to offer the receptor with uniform
publicity while imaging frame systems with varying thicknesses (i.E., a foot). The thick fringe of
the filter is positioned over the skinny structural part and the skinny edge is placed over the thick
structural part.
According to NCRP Report No. 116, annual occupational publicity to the lens of the eye should
not exceed:
a. 25 mSv
b. 50 mSv
c. A hundred mSv
d. A hundred and fifty mSv - ANS-d. 150 mSv
NCRP Report No. 116 states the annual occupational publicity limit for the lens of the attention
is 150 mSv, or 15 rem.
According to the American College of Radiology, which of the subsequent are warning signs for
obtaining a skeletal survey?
1. Suspected non unintentional trauma
2. Skeletal dysplasias, syndromes, and metabolic disorders
three. Neoplasms - ANS-1, 2, and three
All of the following affect the spatial resolution of an photograph EXCEPT FOR:
a. KVp
, b. Component size
c. Tube angle
d. SID - ANS-a. KVP
Kilovolts top has an impact on receptor publicity and comparison only. Tube angle impacts
spatial decision due to unequal magnification of the component. Part length influences spatial
resolution due to magnification (large components boom the OID, which results in reduced
spatial resolution). SID influences spatial resolution due to beam divergence.
All of the subsequent are inside desirable kVp accuracy variance for an exposure the usage of
80 kVp EXECPT FOR ____ kVp.
A. 86
b. Eighty four
c. 82
d. 76 - ANS-a. 86
The kVp variance is within +5%. At eighty kVp, the variance is four kVp (80 x 0.05 = 4).
Therefore, seventy six-84 kVp is within suited limits.
All of the following EXCEPT ___ will result in an growth in AEC reaction time.
A. Decreasing the kVp
b. Increasing the focal spot size
c. Increasing the part thickness
d. Growing the SID - ANS-b. Growing the focal spot length
Increasing the focal spot size does not alternate the AEC reaction time It influences the spatial
resolution. Decreasing the kVp increases the publicity time due to the fact more photons are
absorbed, resulting in fewer achieving the cell(s). The same is actual for increasing component
thickness. Increasing the SID effects in a longer exposure time because of beam divergence
and the lower within the range of photons accomplishing the cell(s).
An perfect PA chest examination is taken using three hundred mA, 0.008 seconds, and a
hundred and ten kVp. If this exam is repeated the use of an AEC that has a minimal response
time of 10 ms, which of the following publicity elements might be appropriate?
A. 400 mA, 0.006 seconds, one hundred ten kVp
b. Two hundred mA, 0.012 seconds, one hundred ten kVp
c. 600 mA, 0.004 seconds, a hundred and ten kVp
d. All of the above would be appropriate - ANS-b. 200 mA, 0.006 seconds, 110 kVp
The minimum reaction time (MRT) is the quantity of time it takes for the AEC to detect and
respond to an publicity. In this case, the MRT is 10 ms (0.01 seconds). This method that the
AEC will no longer terminate an exposure in less than 0.01 seconds. Therefore, the simplest
exposure setting that does not violate the MRT of this AEC is 2 hundred mA. If two hundred mA
is selected, the exposure time will run for zero.012 seconds and the receptor may be nicely
uncovered. If the publicity time for an exam is much less than the MRT, the receptor exposure
increases due to the fact the unit will now not flip off till the MRT is reached.
