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MRI CAMRT Review > MRI in Practice: Ch 5 Pulse Sequences > Flashcards

MRI in Practice: Ch 5 Pulse Sequences Flashcards

1
Q

Which of the following is not a spin echo pulse sequence?

a. conventional spin echo
b. fast or turbo spin echo
c. inversion recovery
d. echo planar imaging

A

d. echo planar imaging.

It is a gradient echo pulse sequence

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2
Q

What type of pulse sequence uses a 90° excitation pulse followed by one or more 180° rephasing pulses?

a. conventional spin echo
b. coherent gradient echo pulse
c. inversion recovery
d. steady state free precession

A

a. conventional spin echo

IR has a 180° pulse before the 90° pulse then in followed by one or more rephasing pulses

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3
Q

What is the weighting of this pulse sequence?
a. T1
b. T2
c. PD
d. T2*

A

b. T2

T2 images – 2 tissue types are bright – FAT and WATER

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4
Q

What is the weighting of this pulse sequence?
a. T1
b. T2
c. PD
d. T2*

A

a. T1

T1 images – 1 tissue type is bright – FAT

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5
Q

What type of pulse sequence is this?
a. FLAIR
b. STIR
c. HASTE
d. T1 FSE with gad

A

b. STIR

ONLY water is bright

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6
Q

What type of pathology is this?

A

spondylodiscitis (also known as discitis)

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7
Q

What type of pulse sequence is this?
a. FLAIR
b. STIR
c. HASTE
d. T1 FSE

A

d. T1 FSE

T1 images – 1 tissue type is bright – FAT

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8
Q

What type of pulse sequence is this?
a. FLAIR
b. STIR
c. T2 FSE
d. T1 FSE

A

c. T2

T2 images – 2 tissue types are bright – FAT and WATER

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9
Q

What type of pulse sequence is this?
a. FLAIR
b. STIR
c. T2 FSE
d. T1 FSE

A

a. FLAIR

CSF (fluid) is suppressed

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10
Q

What is the weighting of this pulse sequence?
a. T1
b. T2
c. PD
d. T2*

A

d. T2*

T2 images – 2 tissue types are bright – FAT and WATER, but CSF does not appear as bright on T2*

T2* images used to highlight presence of blood products

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11
Q

What is the weighting of this pulse sequence?
a. T1
b. T2
c. PD
d. T2*

A

b. T2

T2 images – 2 tissue types are bright – FAT and WATER

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12
Q

What pathology is seen in this image?

A

Hemangioma

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13
Q

What pathology is seen in this image?

A

MS lesion

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14
Q

What type of pulse sequence is this?
a. STIR
b. ACD
c. DWI
d. PC MRA

A

c. DWI

Areas of high signal on the DWI images indicate ‘restricted diffusion’

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15
Q

What type of pulse sequence is this?
a. STIR
b. ACD
c. DWI
d. PC MRA

A

c. ACD

Areas of low signal on the ADC images indicate ‘restricted diffusion’

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MRI CAMRT Review (12 decks)

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