RADIOLOGY

Question 1

Good for assessing bone pathology & calcification

Answer 1

CT

Question 2

uses ionizing radiation

Answer 2

CT

Question 3

Good for assessing soft tissues

Answer 3

MRI

Question 4

in T1 & T2 neural foramina appear___
Why?

Answer 4

bright/hyperintense
high fat content

Question 5

in MRI, exiting nerve roots appear

Answer 5

isointense

Question 6

conus medullaris begins @

Answer 6

L1

Question 7

Good for assessing ligament injuries
disc bulges
herniation
TUMORS
ABSCESSES

Answer 7

MRI

Question 8

Good for assessing post-operative complications

Answer 8

MRI

Question 9

in cervical X-ray alignment of___should be checked

Answer 9

anterior vertebral line
posterior vertebral line
Spinolaminar line
Posterior spinous line

Question 10

3 standard view of cervical X-ray

Answer 10

lateral
antero-posterior
open mouth

Question 11

subarachnoid hemorrhage happens due

Answer 11

ruptured aneurysm

Question 12

subarachnoid hemorrhage in CT appears

Answer 12

bright/hyperdense

Question 13

biconvex lemon shaped hyperdense limited by suture lines

Answer 13

epidural Hg

Question 14

crescentic hyperdense
crosses suture lines

Answer 14

subdural Hg

Question 15

Hg b/w skull & dura

Answer 15

epidural

Question 16

Hg b/w dura & arachnoid

Answer 16

subdural

Question 17

epidural hemorrhage happens due

Answer 17

MMA injury

Question 18

subdural hemorrhage happens due

Answer 18

bridging veins injury

Question 19

intraparenchymal Hg in CT appears

Answer 19

white/hyperdense

Question 20

intraparenchymal hemorrhage happens due

Answer 20

HTN

Question 21

sylvian fissure separates

Answer 21

frontal & temporal lobes

Question 22

insular cortex site

Answer 22

Deep to sylvian fissure

Question 23

central sulcus separates

Answer 23

frontal & parietal lobes

Question 24

white matter
connected w/ corona radiata, cerebral white matter & Brainstem

Answer 24

internal capsule

Question 25

white matter in the midline
arches over lateral ventricles
connects white matter of both hemispheres

Answer 25

corpus callosum

Question 26

in CT, grey & white matter appear

Answer 26

dark
WHITE>GREY

Question 27

In CT, bone appears

Answer 27

bright/hyperdense

Question 28

in MRI, bone appears

Answer 28

dark/hypointense

Question 29

body fluid in CT

Answer 29

dark/hypodense

Question 30

fluid in T1

Answer 30

dark/hypointense

Question 31

fluid in T2

Answer 31

bright/hyperintense

Question 32

MOST ANATOMICAL

Answer 32

T1

Question 33

in T1, grey & white matter appear

Answer 33

dark
GREY>WHITE

Question 34

white matter darker than grey matter

Answer 34

CT
T2

Question 35

grey matter darker than white matter

Answer 35

T1

Question 36

CSF hyperintense in

Answer 36

T2

Question 37

CSF hypointense in

Answer 37

T1

Question 38

CSF hypodense in

Answer 38

CT

Question 39

fat & fluids in T2 appear

Answer 39

bright/hyperintense

Question 40

how to differentiate b/w CT & MRI

Answer 40

bone is bright in CT
dark in MRI

Question 41

does not employ ionizing radiations

Answer 41

MRI

Question 42

can be performed with or without IV contrast

Answer 42

MRI

Question 43

imaging of choice in trauma, hemorrhages, acute neurological emergencies

Answer 43

CT

Question 44

less sensitive to patient motion

Answer 44

CT

Question 45

can be performed on patients w/ cardiac pacemakers, cochlear implants or claustrophobic patients

Answer 45

CT

Question 46

in CT without contrast image is taken in ____plane

Answer 46

axial