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chapter--01:--Introduction--to--Imaging--and--Radiologic--Sciences
Adler:--Introduction--to--Radiologic--and--Imaging--Sciences--and--Patient--Care,--6th--Edition
MULTIPLE--CHOICE
1. The--use--of--x-rays--to--create--a--medical--image--on--patients--is--referred--to--as
a. electrocardiography.
b. radiography.
c. sonography.
d. magnetic--resonance--imaging.
ANS:- - - - B
Radiography--is--the--making--of--records--of--internal--structures--of--the--body--by--passage--of--x-rays-
-or--gamma--rays--through--the--body.--These--records--or--images--are--typically--referred--to--as--
radiographs.
REF: p.--4
2. Particular--care--must--be--taken--when--using--radiation--for--medical--imaging.--This--is--the--result--
of--radiation’s--ability--to--create-- in--human--tissue--and--possible--biochemical--changes.
a. ionizations
b. radio--waves
c. sound--waves
d. thermal--changes
ANS:- - - - A
Some--forms--of--electromagnetic--energy,--including--x-rays,--have--the--ability--to--ionize--atoms--in--
matter.--These--ionizations--have--the--ability--to--disrupt--the--composition--of--matter--and--are--
capable--of--disrupting--life--processes.--Special--protection--should--be--provided--to--prevent--
excessive--exposure--to--ionizing--radiation.
REF: p.--3
3. In--the--diagnosis--of--patient--disease--states,--physicians--can--select--from--an--array--of--medical--
diagnostic--modalities.--A--few--of--these--involve--the--use--of--ionizing--energy--to--create--a--
medical--image.--If--a--physician--is--concerned--about--the--use--of--ionizing--radiation,--he--or--she--
may--choose--to--order--any--of--the--following--diagnostic--modalities--EXCEPT
a. thermograms.
b. medical--sonography.
c. radiography.
d. magnetic--resonance--imaging.
ANS:- - - - C
Radiography--involves--the--use--of--x-rays--for--the--production--of--medical--images.--Medical--
procedures--such--as--thermograms,--sonograms,--and--magnetic--resonance--scans--use--nonionizing-
,-energy--forms--and--consequently--do--not--produce--ionizations--in--human--tissue.--They--are--
regarded--as--nonionizing--modalities--for--imaging--and--offer--excellent--alternatives--to--physicians-
-concerned--about--radiation--exposure--to--patients.
, REF:- - - - pp.--3-4
4. The--Greek--physician--Hippocrates--is--regarded--as--the--father--of--Western--medicine.--All--of--the-
-following--choices--represent--his--medical--beliefs--EXCEPT--the
a. use--of--high--ethical--standards--of--conduct.
b. important--medical--value--of--sorcery--and--witchcraft.
c. importance--of--closely--monitoring--a--patient’s--condition--and--recovery.
d. value--of--diet--and--exercise--and--allowing--nature--to--take--its--course--in--recovery.
ANS:- - - - B
The--Hippocratic--Corpus--is--writings--that--they--emphasize--rational--and--natural--explanations--
for--the--treatment--of--disease--and--reject--sorcery--and--magic.--The--Hippocratic--oath--still--
governs--the--ethical--conduct--of--physicians--today.
REF: p.--5
5. Throughout--the--history--of--medicine,--remarkable--achievements--have--been--recorded.--These-
-events--have--led--to--our--current--understanding--of--the--human--organism--and--disease.--As--
this--research--continues,--much--of--it--will--most--likely--focus--on
a. proper--sanitation--and--public--health.
b. immunology--and--the--development--of--vaccines.
c. germ--theory--and--infection.
d. human--genes--and--genetic--engineering.
ANS:- - - - D
Although--the--Human--Genome--Project--is--finished,--analyses--of--the--data--will--continue--for--
many--years.--The--replacement--of--faulty--genes--through--gene--therapy--offers--promises--of--cures--
for--a--variety--of--hereditary--diseases,--and--through--genetic--engineering,--important--
pharmaceuticals--continue--to--be--developed.--Medical--research--will--continue--to--focus--on--the--
genetic--code--in--all--cells.
REF: p.--6
6. Wilhelm--C.--Roentgen’s--discovery--of--“the--x-ray”--is--regarded--as--one--of--medicine’s--most--
significant--achievements.--Although--his--discovery--was--accidental,--his--early--research--was--
so--thorough--that--no--significant--findings--have--been--added--to--his--original--theories.--This--in--
itself--is--a--true--tribute--to--the--brilliance--of--Roentgen--as--a--scientist.--One--of--the--most--famous--
early--images--he--created--was--an--x-ray--image--of--his
a. colon.
b. laboratory--assistant’s--foot.
c. wife’s--hand.
d. kidneys.
ANS:- - - - C
November--8,--1895,--is--believed--by--historians--to--be--the--day--that--Roentgen--created--the--famous--
image--of--the--hand--of--his--wife.--Through--his--investigative--methods,--Roentgen--identified--the--
properties--of--x-rays.
REF: p.--6
, 7. A--valuable--x-ray--procedure--used--to--diagnose--a--myocardial--infarction--is
a. mammography.
b. myelography.
c. arthrography.
d. coronary--arteriography.
ANS:- - - - D
Coronary--arteriography--is--an--extremely--valuable--tool--in--diagnosing--atherosclerosis,--which--
can--block--the--coronary--arteries--and--cause--a--heart--attack--(myocardial--infarction).--By--way--of--
a--special--catheter--with--a--balloon--tip,--effective--treatment--of--atherosclerosis--is--possible.--This--
treatment--of--a--blocked--blood--vessel--is--termed--angioplasty.--Angioplasty--is--used--to--treat--
patients--without--having--to--use--invasive--open-heart--surgery.
REF: p.--8
8. All--of--the--following--are--true--of--the--diagnostic--procedure--of--mammography--EXCEPT
a. it--is--very--valuable--for--the--detection--of--early--breast--cancers.
b. the--procedures--may--be--performed--using--a--general--radiographic--machine.
c. radiographers--need--to--be--specially--trained--in--order--to--perform--mammography.
d. radiographers--must--be--certified--by--the--ARRT--to--qualify--for--the--mammography-
-examination.
ANS:- - - - B
Special--breast--imaging--centers--have--been--built--to--accommodate--the--demand--for--
mammography--procedures.--Equipment--and--supplies,--such--as--a--specially--designed--x-ray--tube--
and--high-resolution--digital--imaging--detectors,--are--used--to--create--high-quality--breast--images.--
Mammography--cannot--be--performed--using--general--x-ray--equipment.
REF: p.--8
9. To--study--the--blood--vessels--of--the--brain,--kidneys,--liver,--and--other--organs,--contrast--material--is-
-administered--into--these--vessels--by--using
a. catheters.
b. stents.
c. balloons.
d. none--of--the--above.
ANS:- - - - A
Angiography--is--the--term--for--radiologic--examination--of--the--blood--vessels--after--injection--of--
a--contrast--medium.--Most--often,--the--contrast--material--is--injected--through--a--catheter,--which--
can--be--directed--to--a--variety--of--major--arteries--or--veins--for--visualization--of--these--structures.
REF: p.--8
10. Radiologic--science--continues--to--be--one--of--the--most--exciting--professions--in--medicine.--
An--imaging--modality--that--uses--no--ionizing--radiation--and--the--energy--of--radio--waves--
and--magnetic--fields--is
a. nuclear--imaging.
b. thermography.
c. CVIT.