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ASRT - Seal Exam 2 with correct Answers
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ASRT - Seal Exam 2 with correct Answers
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ASRT - Seal Exam 2 with correctAnswers
The ii________ iiof iithe iisyringe iiholds iithe iimedication iifor iiinjection.
barrel
plunger
bevel
cap ii- iiCorrect iiAnswers ii-barrel
The iibarrel iiis iicovered iiwith iithe iiprinted iicalibration iimarkings iiand iiholds iithe
iimedication.
MOST iicell iidamage iifrom iiionizing iiradiation iioccurs iiwhen iix-rays iiinteract iiwith:
free iiradicals.
DNA.
water iimolecules.
electrons. ii- iiCorrect iiAnswers ii-water iimolecules
Most iidamage iioccurs iiwhen iix-rays iiinteract iiwith iiwater iimolecules. iiThis iiis iibecause
iithe iihuman iibody iiis iiapproximately ii80% iiwater. iiIrradiation iiof iiwater iiatoms iiresults iiin
iifree iiradicals.
All iiof iithe iifollowing iiaffect iipatient iidose, iiEXCEPT iifor:
inherent iifiltration.
added iifiltration.
source-to-image iidistance ii(SID).
focal iispot iisize. ii- iiCorrect iiAnswers ii-focal iispot iisize.
- iino iiinfluence iion iipatient iidose
If iithe iiexposure iirate iifor iia iifluoroscopic iiprocedure iiis ii2.5 iimGy/hr, iithe iitotal iiexposure
iifor iia iiprocedure iiwith ii3 iiminutes iiof iifluoroscopy iitime iiwould iibe ii______ iimGy.
0.75
0.25
0.125
,0.075 ii- iiCorrect iiAnswers ii-Total iiexposure iiis iithe iiproduct iiof iiexposure iirate iiand iitime.
ii3 iiminutes iiis iiequal iito ii0.05 iihours ii(3 iimin/60 iimin iiper iihr). iiExposure ii= ii2.5 iimGy/hr iix
ii0.05 iihr ii= ii0.125 iimGy.
A iimalignant iiprimary iitumor iiof iibone iiis iia(n):
chondrosarcoma
enchondroma
metastasis
osteosarcoma ii- iiCorrect iiAnswers ii-osteosarcoma
A iimalignant, iiprimary iitumor iiof iibone iiis iian iiosteosarcoma. iiOsteo- iimeans iibone iiand
ii-sarcoma iimeans iimalignant iitumor.
What iichange iiproduced iithe iidifferences iiin iithe ii2 iiemission iispectra iibelow?
( iithis iiis iithe iigraph iiwith iithe iipeak iiat iithe iiright iihand iiside, iitwo iilines)
target iimaterial
filtration
milliampere-seconds ii(mAs)
kilovoltage iipeak ii(kVp) ii- iiCorrect iiAnswers ii-kilovoltage iipeak ii(kVp)
All iiof iithe iifollowing iiaffect iitube iioutput iiEXCEPT iiFOR:
focal iispot iisize.
target iimaterial.
filtration.
kilovoltage iipeak ii(kVp). ii- iiCorrect iiAnswers ii-focal iispot iisize.
Focal iispot iisize iiaffects iithe iispatial iiresolution iiof iian iiimage, iinot iitube iioutput.
iiTarget iimaterial iiand iikVp iiaffect iix-ray iiproduction iiefficiency iiwhich, iiin iiturn, iiaffects
iitube iioutput.
iiFiltration iiaffects iitube iioutput iibecause iiit iiattenuates iilower iienergy iix-rays.
Radiodermatitis iiis iia iilocal iitissue iieffect iiof iithe ii________ iisystem.
integumentary
gastrointestinal
hematopoietic
central iinervous ii- iiCorrect iiAnswers ii-integumentary
Types iiof iigonadal iishielding iiinclude iiall iiof iithe iifollowing iiEXCEPT:
flat iicontact.
shaped ii(contour) iicontact.
shadow.
, Ferlic iifilter. ii- iiCorrect iiAnswers ii-Ferlic iifilter.
The iiFerlic iifilter iiis iia iitype iiof iicompensating iifilter.
If iia iipatient's iiexposure iiat iia iidistance iiof ii2 iimeters iiis ii24 iimGy, iithe iiexposure iiat ii8
iimeters iiwould iibe ii________ iimGy.
1.5
6
12
18 ii- iiCorrect iiAnswers ii-According iito iithe iiinverse iisquare iilaw ii(I1/I2 ii= iid22/d12), iiif
iithe iidistance iiis iidoubled, iithe iiexposure iidecreases iito iione-fourth iiof iithe iioriginal
iivalue. iiIn iithis iicase, iithe iidistance iiwas iidoubled iitwice; iitherefore, iithe iiexposure iiwas
iireduced iito iione-sixteenth iiof iithe iioriginal iivalue ii(2 iimeters iito ii4 iimeters ii= ii6 iimGy;
iithen ii4 iimeters iito ii8 iimeters ii= ii1.5 iimGy).
An iiacceptable iiimage iiis iiproduced iiusing ii72 iikVp, ii5 iimAs, iino iigrid, iiand ii40-inch iiSID.
iiIf iithe iiimage iiis iirepeated iiusing iia ii12:1 iigrid, ii________ iimAs iiwould iibe iineeded iito
iimaintain iireceptor iiexposure.
30
25
20
15 ii- iiCorrect iiAnswers ii-25
The iiconversion iifactor iifor iia ii12:1 iigrid iiis ii5. iiTherefore, ii5 iimAs iix ii5 ii= ii25 iimAs.
A iimalignant iitumor iiarising iifrom iicartilage iicells iiis iia(n):
chondrosarcoma.
enchondroma.
Ewing iisarcoma.
osteosarcoma. ii- iiCorrect iiAnswers ii-A iimalignant iitumor iiarising iifrom iicartilage iicells iiis
iia iichondrosarcoma. iiChondro- iimeans iicartilage, iiand ii-sarcoma iimeans iimalignant
iitumor.
Which iiof iithe iifollowing iiare iiproperties iiof iipositive iicontrast iiagents? ii
1. iicomposed iiof iilow-atomic iinumber iielements
2. iiincrease iix-ray iiattenuation
3. iiproduce iiareas iiof iidecreased iidensity iion iithe iiimage
1 iiand ii2
1 iiand ii3
2 iiand ii3
1, ii2, iiand ii3 ii- iiCorrect iiAnswers ii-2 iiand ii3
Contrast iiagents iitypically iiare iiclassified iias iipositive ii(radiopaque) iior iinegative
ii(radiolucent). iiPositive iicontrast iiagents iiare iicomposed iiof iihigh-atomic iinumber
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