MRI Imaging Procedures 1 - Week 3, Part A Questions and Answers 100% Pass

MRI Imaging Procedures 1 - Week 3, Part
A Questions and Answers 100% Pass
Which parameter primarily controls image contrast in MRI?

A) TR (Repetition Time)

B) TE (Echo Time)


✔✔C) T1 and T2 relaxation times


D) Flip angle




Which of the following tissues appears brightest on a T2-weighted MRI image?

A) Muscle

B) Bone

C) Fat


✔✔D) Cerebrospinal fluid (CSF)




What is the primary advantage of using a higher magnetic field strength in MRI?

A) Faster scan times


✔✔B) Improved signal-to-noise ratio (SNR)


C) Reduced motion artifacts

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,D) Decreased power requirements




Which MRI sequence is most useful for detecting acute strokes?

A) T1-weighted

B) STIR

C) Gradient echo


✔✔D) Diffusion-weighted imaging (DWI)




What is the main purpose of using gadolinium-based contrast agents in MRI?

A) To increase patient comfort

B) To decrease scan time


✔✔C) To enhance visibility of blood vessels and pathology


D) To eliminate motion artifacts




Which type of MRI artifact is commonly caused by metal implants?

A) Chemical shift artifact

B) Motion artifact


✔✔C) Susceptibility artifact


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, D) Partial volume effect




Which MRI sequence suppresses fat signal to improve soft tissue visualization?


✔✔A) STIR (Short Tau Inversion Recovery)


B) T1-weighted

C) Proton density

D) Gradient echo




Which of the following conditions is a contraindication for MRI?

A) Claustrophobia

B) History of stroke


✔✔C) Pacemaker implantation


D) Hypertension




What is the function of the RF (radiofrequency) coil in MRI?


✔✔A) To transmit and receive signals


B) To generate the magnetic field

C) To move the patient table


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