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ARMRIT FINAL PAPER 2026 COMPLETE QUESTIONS AND CORRECT ANSWERS
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◉ The purpose of magnetic resonance angiography is to image the Answer: Blood Flow ◉ Magnetic Resonance Imaging is derived from the process known as: Answer: Nuclear Magnetic resonance ◉ The introduction of gadolinium based contrast enhancement agents by Intra-venous injection can involve passing through an abnormal blood brain barrier. The tissue compartments involved are the: Answer: Intravascular to interstitial ◉ In a pulse sequence, transmitting an initial 90 degree radio- frequency pulse will cause the net magnetization vector to: Answer: Shift in both size and direction. ◉ Which statement is true of the relaxation process? Answer: Without the effects of T2 star, T2 decay continues.
◉ Which molecule precesses closer to the Larmor frequency? Answer: Fat ◉ 1 milliliter of H2O contains how many hydrogen protons Answer: 6 times 10 ^ ◉ An equation derived to predict the MR signal intensity of a particular tissue as the result of a Spin-echo pulse sequence is the: Answer: Bloch equation ◉ Which type of MRI magnet requires a steady current of electricity in coils of conductor wrapped around an air or iron core? Answer: resistive ◉ What is the gyro-magnetic ratio of hydrogen? Answer: 42.58 MHz ◉ Of the following statements, which describes part of the basic MR imaging process? Answer: Radio-frequency signals interact with hydrogen protons.
◉ In comparison to Computed Axial Tomography, an advantage of MRI is Answer: Superior soft-tissue contrast resolution ◉ In MRI, substances respond to a specific radio frequency which is known as: Answer: Resonance frequency ◉ In the USA, MRI systems in clinical use have main magnetic field strengths that range from: Answer: 0.06 Tesla to 3 Tesla ◉ Magnetic fields have strength and direction, which are represented by a: Answer: Vector