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Michael Francois Nel created and made 5 changes to the...

Question Which of the following is an advantage of multi-voxel sequences over... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Which combination of sequence parameters is usually best for contrast... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question In phase contrast MR angiography (PC MRA), blood flowing at 50cm/s th... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question Phase change for a spin moving at a constant velocity, across a const... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Which sequence parameter is required in time-of-flight magnetic reson... 3 months ago

Reviewed by Amanda Er ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question Which of the following sequences is predominantly used in diffusion w... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question Which of the following does NOT change the b value in diffusion weigh... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question Which of the following is true regarding echo planar imaging (EPI)?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question A single-echo conventional spin echo sequence takes 4 minutes to comp... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel made 1 change to the...

Question Which of the following spin echo sequences is seldom performed?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Joachim Feger ◉ made 1 change to the...

Question In MRI imaging, which of the following contributes most to nuclear pr... 3 months ago

Reviewed by Mohamed Saber ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question Which of the following spin echo sequences is seldom performed?... 3 months ago

Reviewed by Jeremy Jones ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question A short TI, short TE inversion recovery sequence will produce which i... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question A gradient echo pulse sequence with a short TE, short TR and a large... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question Which of the following changes in isolation will produce higher signa... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question What cause of signal loss does a spin echo sequence compensate for?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question What will doubling the echo train length (ETL) in fast spin echo do?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question In a 1T magnetic field, what is the approximate difference in hydroge... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question What does a reduction in receiver bandwidth cause?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question What effect will doubling the matrix size in the frequency encoding a... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question Which of the following will increase the receiver bandwidth?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question The periphery of k-space stores information encoding predominantly fo... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Half Fourier imaging results in an increase in...... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Which of the following compensates for signal loss due to magnetic fi... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question In MRI imaging, which of the following contributes most to nuclear pr... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question In magnetic resonance imaging (MRI), which of the following does NOT... 3 months ago

Reviewed by Amanda Er ◉ 3 months ago

Andrew Dixon ◉ made 1 change to the...

Question An incidental, solitary hypodense splenic lesion (HU>20) is demons... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Which of the following will prolong acquisition time?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Which of the following will have the most T1 contrast?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Which of the following is the primary mechanism for T1 relaxation (lo... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Which of the following time constants is shortest?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question What does the T2 time constant represent?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question Concerning nuclear spin, which of the following is FALSE?... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Protons have a spin value of ±½. Paired protons in an atomic nucleus... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question The radiofrequency pulse is...... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 5 changes to the...

Question Which of the following MRI machine components has NO direct effect on... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Loss of the transverse magnetisation vector over time is known as wha... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Michael Francois Nel created and made 6 changes to the...

Question Increasing the strength of the main magnetic field (B0) will...... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Mazedona De La Altadama Craquis Díaz created and made 6 changes to the...

Question Hello, I'm Craqdi, I'm in Computerized Radiology and I would like to... 3 months ago

Reviewed by Yahya Baba ◉ 3 months ago

Andrew Murphy ◉ created and made 5 changes to the...

Question In the accompanying image, the pubis bone is indicated by which lette... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Andrew Murphy ◉ created and made 6 changes to the...

Question A trauma patient has bilateral femoral fractures. The orthopaedic tea... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Andrew Murphy ◉ created and made 7 changes to the...

Question The white arrows are highlighting...... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Andrew Murphy ◉ created and made 13 changes to the...

Question In the accompanying image, the letter B is the...... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Andrew Murphy ◉ created and made 4 changes to the...

Question The Hilgenreiner line is a line drawn...... 3 months ago

Reviewed by Hoe Han Guan ◉ 3 months ago

Daniel J Bell ◉ made 1 change to the...

Question An intervertebral disc herniation on MRI is seen to ascend above the... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Stefan Tigges ◉ created and made 10 changes to the...

Question In which direction will differential misclassification of the presenc... 4 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Stefan Tigges ◉ created and made 7 changes to the...

Question In which direction will non-differential misclassification of the pre... 4 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Stefan Tigges ◉ made 4 changes to the...

Question Why do clinical trials use randomization to allocate participants to... 4 months ago

Reviewed by Joachim Feger ◉ 4 months ago

Stefan Tigges ◉ created and made 6 changes to the...

Question A case control study shows an association between birth order and Dow... 4 months ago

Reviewed by Joachim Feger ◉ 4 months ago

Mohammad Taghi Niknejad ◉ created and made 8 changes to the...

Question Which of the following by far is the most common cause of pseudocirrh... 4 months ago

Reviewed by Joachim Feger ◉ 4 months ago

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