Radiology

Question 1

What are we looking at with the FDG/PET scan?
a. flow through the brain
b. inhibitory synapse activity
c. excitatory synapse activity
d. none of the above

Answer 1

d. none of the above

Glucose comsumption

Question 2

FDG/PET scan in focal epileptic seizure:
a. increased activity in the interictal focus
b. reduced activity in the interictal focus
c. reduced activity in the focus during an attack
d. increased activity in the hemisphere during an attack
e. increased activity in the whole brain during a seizure

Answer 2

b. reduced activity in the interictal focus

Question 3

What is measured by FDG/PET brain imaging?
a. Afferent synaptic activity of neurons

Answer 3

a. Afferent synaptic activity of neurons

Question 4

What are we looking for with CT perfusion after acute ischaemic stroke?
a. Area of reversible ischaemic stroke - penumbro

Answer 4

a. Area of reversible ischaemic stroke - penumbro

Question 5

Claims about DSAs:
a. is the least invasive test to detect vascular malformations in the spinal
canal
b. is the most accurate test for the visualization of vascular
malformations in the spinal canal
c. has a lower spatial resolution than CTA
d. has poor spatial resolution from the MRA
e. is only a morphological examination of the spinal veins, as it does not
show the dynamics of the flows

Answer 5

b. is the most accurate test for the visualization of vascular
malformations in the spinal canal

Question 6

CT and CTA image of someone with endocarditis and bleeding in the brain
a. mycotic aneurysm
b. aneurysm due to hypertension

Answer 6

a. mycotic aneurysm

Question 7

First investigation for SAH:
a. CT
b. MRI
c. DSA
d. lumbar puncture

Answer 7

a. CT

Question 8

MRI for Alzheimer’s, what is MTA?
a. medial temporal lobe atrophy index.

Answer 8

a. medial temporal lobe atrophy index.

Question 9

The advantage of CT scanning for haemorrhage:
a. Price
b. price and speed
c. speed
d. Accessibility
e. c and d

Answer 9

e. c and d

Question 10

MRA is imaged with gadolinium. pMRI is imaged with gadolinium. Only pregnant
women are imaged.
a. all incorrect
b. all correct
c. first two correct, last one incorrect

Answer 10

c. first two correct, last one incorrect

Question 11

Man in coma after cardiac arrest. Which investigation tells the most about prognosis:
a. CT brain
b. EEG
c. Cardiac ultrasound
d. value of CK

Answer 11

b. EEG

Question 12

DSA is the gold standard for cerebral vascular imaging. It is both a diagnostic and
a therapeutic method.
a. both statements are correct
b. the first statement is correct, the second is incorrect
c. both statements are incorrect

Answer 12

a. both statements are correct

Question 13

X-ray of the leg with plates and screws, what not to do:
a. RTG
b. MRI
c. lumbar puncture
d. EEG
e. myelography

Answer 13

b. MRI

Question 14

In which case is CT less sensitive than MRI?
a. For medulla injuries.

Answer 14

a. For medulla injuries.

Question 15

When would I do a Doppler carotid?
a. someone who has recurrent left and right-sided TIAs,
b. unilateral TIAs only
c. all of the above

Answer 15

c. all of the above

Question 16

CT with hyperdense lesions left occipital. What do you find in the patient:
a. right homonymous hemianopsia

Answer 16

a. right homonymous hemianopsia

Question 17

MRI with hyperintense intramedullary lesion at C2. Which is definitely NOT the reason:
a. multiple sclerosis
b. tumour
c. myelitis
d. C2 radiculopathy

Answer 17

d. C2 radiculopathy

Question 18

In functional radiological imaging, the image or signal is provided by the
random movement of water molecules in the tissue:
a. MRI perfusion
b. MRI diffusion
c. MRI spectroscopy
d. T2-weighted MRI
e. all of the above

Answer 18

b. MRI diffusion

Question 19

Which statement is true?
a. Urgent CT scan of the cerebellum is the imaging modality of choice
in clinically suspected cerebellar injury.
b. in clinically suspected parenchymal brain haemorrhage, the
imaging modality of choice is MRI of the cerebellum
c. always perform MRI angiography in a patient with subarachnoid haemorrhage
d. always perform an MRI perfusion scan when a fresh stroke is clinically suspected
e. none of the statements are true

Answer 19

a. Urgent CT scan of the cerebellum is the imaging modality of choice
in clinically suspected cerebellar injury.

Question 20

The penumbra can be visualized with the next examination:
a. computed tomography perfusion imaging (CTP)
b. ultrasound (US)
c. computed tomography angiography (CTA)
d. digital subtraction angiography (DSA)
e. none of the above

Answer 20

a. computed tomography perfusion imaging (CTP)

With CTA we only see the structure

Question 21

MRI is the method of choice in suspected subarachnoid haemorrhage. The
decisive advantage over other investigations (e.g. CT) is speed.
a. both statements are correct and meaningfully linked
b. 1. the statement is correct, 2. it is incorrect
c. both statements are incorrect
d. 1. the statement is false, 2. it is correct
e. both statements are correct, but there is no meaningful connection between them

Answer 21

c. both statements are incorrect

Question 22

Where is the contrast injected in myelography?
a. Subarachnoid.

Answer 22

a. Subarachnoid.

Question 23

MRI can be used in transverse myelitis:
a. pinpoint the cause
b. we can’t pinpoint the cause
c. only congenital anomalies are excluded
d. we can only define the cause if we also take an X-ray in a certain projection

Answer 23

b. we can’t pinpoint the cause

We can see the lesion, but there’s different causes for the inflammation

Question 24

What should be considered when assessing radiological images of lesions in the brain?
a. age of the subject
b. staining with KS
c. lega
d. all of the above

Answer 24

d. All of the above

Question 25

What characterises metastases? a. Cortico-subcortical localisation.

Answer 25

a. Cortico-subcortical localisation.

Question 26

MRI shows better than CT: a. abscess b. tumour c. all of the above

Answer 26

c. all of the above

Question 27

The biggest disadvantage of CT compared to MRI is that: a. shows acute bleeding less well b. shows spinal cord injury less well

Answer 27

b. shows spinal cord injury less well

Question 28

Which technique would you use to show atrophy of the cerebellum: a. T2 through sections perpendicular to the hippocampus b. T1 c. sagital d. T1 with 3D reconstruction

Answer 28

d. T1 with 3D reconstruction

Question 29

What is a functional MRI? a. diffusion b. perfusion c. MRI spectroscopy d. MRI angiography e. all of the above except d

Answer 29

e. all of the above except d

Question 30

In demyelinating diseases, MRI shows: a. the entire lesion b. the band around the lesion c. all except the centre of the lesion

Answer 30

a. the entire lesion

Question 31

Choose the wrong statement about CT: a. the contrast agent is usually ionic or non-ionic iodine b. CT can measure perfusion by repeatedly imaging the same tissue c. fresh blood is hypodense on CT

Answer 31

c. fresh blood is hypodense on CT

Question 32

T2 and FLAIR hyperintense lesions in someone younger than 50 years can mean: a. ischemia b. tumour c. multiple sclerosis d. ADEM e. all of the above

Answer 32

e. all of the above

Question 33

Which test is the most useless in Wernicke's encephalopathy? a. lumbar puncture b. CT c. MR

Answer 33

a. lumbar puncture

Question 34

What does not apply to the MTA Index? a. rated from 1 to 4 b. graded from 0 to 4 c. medial temporal lobe atrophy is assessed d. used to assess the most common dementia

Answer 34

a. rated from 1 to 4

Question 35

What are the diagnostic findings in multiple sclerosis? a. hyperintense white matter changes on head MRI b. oligoclonal bands in the liquor

Answer 35

a. hyperintense white matter changes on head MRI b. oligoclonal bands in the liquor

Question 36

Multislice CT: a. post-processing is long because there is a lot of data b. is a quick investigation c. high spatial resolution d. all correct

Answer 36

d. all correct

Question 37

Subarachnoid cyst: a. heterogeneous colouring b. lower flow than in ventricles c. very malignant tumour d. in all sequences the same colour as the liquor

Answer 37

d. in all sequences the same colour as the liquor

Question 38

Meningeom a. has a broad base with extensions (dural tails) and is homogeneously coloured by contrast b. is of the same intensity as the liquor c. is between the white and grey matter

Answer 38

a. has a broad base with extensions (dural tails) and is homogeneously coloured by contrast

Question 39

What shows a stroke best (fastest) on MRI: a. FLAIR b. BOLD c. T2 d. T1 e. diffusion-coated frequency

Answer 39

e. diffusion-coated frequency

Question 40

Claims with functional imaging a. BOLD functional MRI does not require gadolinium agent b. diffusion MRI imaging is based on the movement of water molecules c. Gadolinium contrast agent is required for MRI T2 perfusion imaging d. all statements are correct

Answer 40

d. all statements are correct

Question 41

Glioblastoma on MRI? a. abscess and glioblastoma cannot be separated by diffusion MRI b. most commonly infects the spleen and pancreas c. metastasis, abscess and glioblastoma all show the same colour on contrast-enhanced MRI d. is a very rare primary carcinoma in the elderly e. on MRI, it is typically of a distinctly homogeneous solid structure

Answer 41

c. metastasis, abscess and glioblastoma all show the same colour on contrast-enhanced MRI

Question 42

Which statement about digital subtraction angiography (DSA) is true? a. MR angiography is a more accurate test b. CT angiography is a more accurate test c. DSA most accurately displays the spinal veins d. DSA only shows morphology, not dynamics

Answer 42

c. DSA most accurately displays the spinal veins

Question 43

An urgent CT scan would be done at: a. a patient with a Glasgow Coma Scale score of less than 8 b. sum for subdural haematoma c. sum for epidural haematoma d. suspected brain contusion e. all of the above

Answer 43

e. all of the above

Question 44

Which imaging is functional? a. diffusion MRI b. perfusion MRI c. CT myelography d. none of the above

Answer 44

d. none of the above

Question 45

Which method does not require a contrast medium? a. DSA b. MR angiography c. perfusion CT d. CT angiography e. none of the above

Answer 45

e. none of the above

Question 46

Where is contrast applied in myelography? a. in the epidural space b. intradurally c. in the subarachnoid space

Answer 46

c. in the subarachnoid space

Question 47

CT shows subarachnoid haemorrhage well. CT shows vascular dementia well. CT is slower than MRI. a. all statements are correct b. all claims are false c. the first statement is correct, the second and third statements are incorrect d. the first statement is incorrect, the second and third statements are correct e. the first and second statements are correct, the third is incorrect

Answer 47

c. the first statement is correct, the second and third statements are incorrect