Vascular Imaging with B-Flow Quiz

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1. B-Mode ultrasound technique

is based on Doppler principles

displays structures as dots

displays structures as lines

can display velocity


2. An advantage of Color Doppler ultrasound is

no aliasing

high spatial resolution

no blooming artifacts

easy flow detection


3. B-Flow technique was established in :

1999

2001

1989

2005


4. B-Flow technique

is based on the Doppler principle

does not suppress non moving tissue signals

depends on the wall filter

uses Coded Excitation technique ( CE)


5. Imaging with B-Flow

is angle independent

has a lower frame rate than Power Doppler

flow is color coded in red and blue

can easily detect flow direction


6. B-Flow is not useful in imaging of:

abdominal aorta

femoral artery

extracranial carotid arteries

intracranial vessels


7. With B-Flow, imaging ______________ is not possible:

aneurysms.

dissections.

flow behind extended calcificated plaques.

thrombosis.


8. Normal vertebral arteries:

are branches of the axillary artery

demonstrate a high resistance Doppler signal

enter through the foramen magnum and unite into the basilar artery

demonstrate an alternating blood flow pattern


9. Brightness in B-Flow is cause by

Doppler amplitude

plaque surface

blood velocity

diameter of the vessel


10. Imaging blood flow in high degree of vessel stenosis with B-Flow is possible:

only prestenotic

only intrastenotic

only poststenotic

pre-, intra- and poststenotic


11. Power Doppler (PDI)

is a variant of B-Flow

color codes the flow-velocity

color codes the flow direction

color codes the echo amplitude


12. The internal carotid artery (ICA):

is usually smaller than the external carotid artery

has 8 extracranial branches

is usually located anterior medial

can be divided into four main segments


13. The first branch of the abdominal aorta is:

superior mesenteric artery

the celiac trunk

the left gastric artery

the portal vein


14. Which answer is correct?

the great saphenous vein drains into the popliteal vein

the deep subfacial veins are usually pairs until the popliteal fossa

the femoral artery has no branches

the femoral artery lies medial to the femoral vein


15. Which answer is correct?

the subclavian artery becomes the brachial artery

the brachial artery divides into the ulnar and radial artery in the elbow

the radial artery terminates in the superficial palmar arch

the subfascial veins of the upper extremity are unpaired