EXPOSURE 7TH EDITION FAUBER QUESTIONS & ANSWERS
WITH RATIONALES (CH 1-10)
,CH V01: VRadiation Vand VIts VDiscovery
Fauber: VRadiographic VImaging Vand VExposure, V7TH VEdition
MULTIPLE VCHOICE
1. When Vwere Vx-rays Vdiscovered?
a. October V8, V1985
b. November V8, V1895
c. January V23, V1896
d. August V15, V1902
ACCURATE VANS:-B
REASONING:->>>X-rays Vwere Vdiscovered Vby VWilhelm VConrad VRoentgen Von VNovember
V8,V1895.
REFERENCE: V Page.1
2. What Vtype Vof Vtube Vwas VRoentgen Vworking Vwith Vin Vhis Vlab Vwhen Vx-rays Vwere Vdiscovered?
a. Crookes Vtube
b. Fluorescent Vtube
c. High-vacuum Vtube
d. Wurzburg Vtube
ACCURATE VANS:-A
REASONING:->>>Roentgen Vwas Vworking Vwith Va Vlow-vacuum Vtube Vknown Vas Va VCrookes
Vtube.
REFERENCE: V Page.2
3. Which Vof Vthe Vfollowing Vterms Vcould Vbe Vdefined Vas Vthe Vinstantaneous Vproduction Vof
Vlight VonlyVduring Van Vinteraction Vbetween Va Vtype Vof Venergy Vand Vsome Velement Vor
Vcompound?
a. Phosphorescence
b. Afterglow
c. Glowing
d. Fluorescence
ACCURATE VANS:-D
REASONING:->>>Fluorescence Vis Vthe Vinstantaneous Vemission Vof Vlight Vfrom Va Vmaterial
Vdue VtoVthe Vinteraction Vwith Vsome Vtype Vof Venergy.
REFERENCE: V Page.2
4. Barium Vplatinocyanide Vwas Vthe:
a. type Vof Vdark Vpaper VRoentgen Vused Vto Vdarken Vhis Vlaboratory.
b. material VRoentgen Vused Vto Vproduce Vthe Vfirst Vradiograph Vof Vhis Vwife’s Vhand.
c. metal Vused Vto Vproduce Vthe Vlow-vacuum Vtube.
d. fluorescent Vmaterial Vthat Vglowed Vwhen Vthe Vtube Vwas Venergized.
ACCURATE VANS:-D
REASONING:->>>A Vpiece Vof Vpaper Vcoated Vwith Vbarium Vplatinocyanide Vglowed Veach Vtime
VRoentgen Venergized Vhis Vtube.
REFERENCE: V Page.2
,5. The Vfirst Vradiograph Vproduced Vby VRoentgen, Vof Vhis Vwife’s Vhand, Vrequired Van Vexposure Vtime
Vof:
a. 15 Vs.
b. V 150 Vs.
c. 15 Vmin.
d. 150 Vmin.
ACCURATE VANS:-C
REASONING:->>>It Vtook Va V15-min Vexposure Vtime Vto Vproduce Vthe Vfirst Vradiograph.
REFERENCE: V Page.3
6. The Vletter Vx Vin Vx-ray Vis Vthe Vsymbol Vfor:
a. electricity.
b. the Vunknown.
c. penetrating.
d. discovery.
ACCURATE VANS:-B
REASONING:->>>The Vletter Vx Vrepresents Vthe Vmathematical Vsymbol Vof Vthe Vunknown.
REFERENCE: V Page.3
7. The Vfirst VNobel VPrize Vfor Vphysics Vwas Vreceived Vin V1901 Vby:
a. Marie VCurie.
b. William VCrookes.
c. Wilhelm VRoentgen.
d. Albert VEinstein.
ACCURATE VANS:-C
REASONING:->>>Wilhelm VRoentgen Vreceived Vthe Vfirst VNobel VPrize Vfor Vphysics Vin V1901.
REFERENCE: V Page.4
8. X-rays Vwere Vat Vone Vtime Vcalled:
a. Becquerel Vrays.
b. Roentgen Vrays.
c. Z-rays.
d. none Vof Vthe Vabove.
ACCURATE VANS:-B
REASONING:->>>X-rays Vwere Vat Vone Vtime Vcalled VRoentgen Vrays.
REFERENCE: V Page.4
9. Erythema, Van Vearly Vsign Vof Vbiologic Vdamage Vdue Vto Vx-ray Vexposure, Vis:
a. reddening Vof Vthe Vskin.
b. a Vmalignant Vtumor.
c. a Vchromosomal Vchange.
d. one Vof Vthe Vmost Vserious Veffects Vof Vx-ray Vexposure.
ACCURATE VANS:-A
, REASONING:->>>Erythema Vis Vreddening Vand Vburning Vof Vthe Vskin, Van Vearly Vand Vless
VseriousVeffect Vof Vexposure Vto Vlarge Vdoses Vof Vx-radiation.
REFERENCE: V Page.5
10. X-rays Vhave Vwhich Vof Vthe Vfollowing Vproperties?
a. Electrical
b. Magnetic
c. Chemical
d. A Vand VB
e. A Vand VC
ACCURATE VANS:-D
REASONING:->>>X-rays, Va Vtype Vof Velectromagnetic Vradiation, Vhave Vboth Velectrical Vand
Vmagnetic Vproperties.
REFERENCE: V Page.5
11. The Vdistance Vbetween Vtwo Vsuccessive Vcrests Vof Va Vsine Vwave Vis Vknown Vas:
a. an Vangstrom.
b. frequency.
c. the VGreek Vletter Vnu.
d. wavelength
ACCURATE VANS:-D
REASONING:->>>The Vdistance Vbetween Vtwo Vsuccessive Vcrests Vor Vtroughs Vof Va Vsine Vwave
Vis VtheVmeasure Vof Vits Vwavelength.
REFERENCE: V Page.6
12. X-rays Vused Vin Vradiography Vhave Vwavelengths Vthat Vare Vmeasured Vin:
a. angstroms.
b. millimeters.
c. centimeters.
d. hertz.
ACCURATE VANS:-A
X-rays Vin Vthe Vrange Vused Vin Vradiography Vhave Vwavelengths Vthat Vare Vso Vshort Vthat Vthey
VareVmeasured V in Vangstroms.
REFERENCE: V Page.6
13. The Vfrequency Vof Va Vwave Vis Vthe Vnumber Vof Vwaves Vpassing Va Vgiven Vpoint Vper Vgiven Vunit
V of Vtime.VFrequency Vis Vmeasured Vin:
a. angstroms.
b. hertz.
c. inches.
d. eV.
ACCURATE VANS:-B
REASONING:->>>The Vunit Vof Vfrequency Vis Vhertz. VThe Vfrequency Vof Vx-rays Vin Vthe
Vradiography Vrange Vvaries Vfrom Vabout V 3 V V10 Vto V 3 V V 10
19 18
V Hz.