Radiology III- Special Studies

Question 1

T/F water has high signal intensity in T1-weighted images, fat in T2-weighted images

Answer 1

FALSE

Question 2

T/F the fallout scan is used to evaluate stress fractures

Answer 2

FALSE

Question 3

the special imaging study that doesn’t utilize ionizing radiation is

Answer 3

ultrasonography

Question 4

a positive lateral stress study (anterior drawer sign) indicates tear of the _____ ligament

Answer 4

anterior talofibular

Question 5

Achilles tendonitis can be assessed by

Answer 5

ultrasonography

Question 6

radioisotopes utilized for bone and joint imaging include:

Answer 6

gallium
indium
technetium

Question 7

a special imaging study that uses sound waves is

Answer 7

ultrasound

Question 8

osteomyelitis is frequently assessed with

Answer 8

boen scintigraphy

Question 9

rupture of the deltoid ligament would be best evaluated by the _____ stress ankle study

Answer 9

eversion

Question 10

bone scintigraphy has

Answer 10

high sensitivity, low specificity

Question 11

indium is used in conjunction with technetium to assess:

Answer 11

osteomyelitis

Question 12

a special imaging study that does not emit gamma rays is the

Answer 12

MRI scan

Question 13

T/F the stress inversion study is obtained by placing the extremity in an internal oblique position and forcibly inverting the foot at the ankle joint

Answer 13

FALSE

Question 14

the special imaging study(ies) that is(Are) most sensitive to underlying bone abnormality before visible with radiographs is (are):

Answer 14

bone scintigraphy

magnetic resonance imaging

Question 15

T/F computed tomography is preferred over MRI for evaluation of soft tissue lesions

Answer 15

FALSE

Question 16

the special imaging study (yes) that is (Are) most sensitive to underlying bone abnormality before visible with radiographs is (Are):

Answer 16

bone scintigraphy

magnetic resonance imaging

Question 17

the special study that requires approximately one-half day of the pt’s time is:

Answer 17

bone scintigraphy

Question 18

in bone scintigraphy, the actual “bone scan” image refers to

Answer 18

phase 3

Question 19

indications for boen scintigraphy include

Answer 19

osteomyelitis

stress fracture

Question 20

the special imaging study that does not utilize ionizing radiation is

Answer 20

MRI

Question 21

a special imaging study that uses radio waves is

Answer 21

MRI

Question 22

the correct chronologic order of the three phase bone scintigram is

Answer 22

blood flow, blood pool, bone scan

Question 23

cross-sectional anatomic images are obtained with

Answer 23

CT

Question 24

the second phase of a 3-phase technetium scan is known as the _____ image

Answer 24

immediate

Question 25

orthography and stenography are best performed under the guidance of

Answer 25

fluoroscopy

Question 26

T/F bone scintigraphy is useful for evaluating born win when radiographs are normal

Answer 26

TRUE

Question 27

dynamic or "real time" images are obtained with

Answer 27

fluoroscopy

Question 28

T/F sharp, high quality magnification images can be performed with a lower extremity specific x-ray unit

Answer 28

FALSE

Question 29

special imaging studies that can be performed in the typical podiatrist's office include

Answer 29

stress inversion ankle study | tenography

Question 30

in bone scintigraphy, the "immediate" image refers to:

Answer 30

phase 2

Question 31

the imaging study that provides "edge enhancement" of the tissue structures is

Answer 31

xeroradiography

Question 32

a special imaging study that does not provide high anatomic definition is

Answer 32

bone scintigraphy

Question 33

radiopaque contrast material is used to perform

Answer 33

arthrography arteriography tenography

Question 34

T/F the 3 phases of an indium scan are blood flow, blood pool, and delayed

Answer 34

FALSE

Question 35

the special imaging study (ies) that use(s) labeled WBCs is (are)

Answer 35

indium scan | technetium HMPAO scan

Question 36

the following study(ies) may be useful to assess Achilles tendon rupture:

Answer 36

ultrasonography | MRI

Question 37

special imaging studies used to assess calcaneofibular ligament rupture include:

Answer 37

stress ankle study | MRI

Question 38

advantage of MRI over CT

Answer 38

soft tissues are clearly visualized

Question 39

special studies that use a radiopaque contrast agent include

Answer 39

tenography | angiography

Question 40

the special imaging study(ies) that use(s) labeled WBCs is(are)

Answer 40

indium scan | technetium HMPAO scan

Question 41

a special imaging study that doesn't use a radiopaque contrast agent is

Answer 41

bone scintigraphy

Question 42

T/F a disadvantage of both CT and MRI is there high cost

Answer 42

TRUE