Time varying gradient - Study guides, Class notes & Summaries

MRSO PREP Exam Questions with 100% Correct Answers 2024 Zero Boil-Off - answerSystem that reduces/eliminates the need to recharge Helium in a magnet. Quench - answerQuickly eliminating the magnetic field. Not immediate, takes 3 to 5 minutes to completely eliminate magnetic field. Loud Noise as Helium rushes out of Quench Vent. Can cause crack in the wire (very costly to repair/replace). Ohm's Law - answerResistance that is equal to Voltage divided by the amperage in a wire. V=IR Use o...

MRSOWhat are the two types of gradient coils? - correct answer 1 . Golay/saddle 2. Maxwell How do Maxwell coils work? - correct answer contains two rings working as a pair ( one at head, one at feet) How do golay/saddle coils work? - correct answer They work in pairs and are located on the left and right sides of the patient Which plane is the Maxwell gradient activated in? - correct answer Z axis ( the movement of our table) for axial imaging Golay coils activate what plane(s) - cor...

MRSO: Exam mark (Answered 100% Correctly) MRSO: Exam mark (Answered 100% Correctly) Which of the following describe when a non-ferrous object is repulsed by static magnetic field? a. Fourier transformation b. Lenz's force c. Ohm's law d. Larmor equation b. Lenz's force What is the FDA SAR limit for the whole body in first level controlled operating mode? a. 8 W/kg for 15 mins b. 4 W/kg for 15 mins c. 3 W/kg for 10 mins d. 7 W/kg for 20 mins b. 4 W/kg for 15 mins Gadolinium...

MRSO Questions with 100% Correct Answers How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East - answerA North to South Which of the following can be potential safety concerns to a patient in the static magnetic field? A. Electrically conductive materials B. Ferrous objects C. Magnetic objects D. All of the choices. - answerD. All of the choices An object that retains its magnetic field when exiting the static magnetic field is call wh...

MRSO PREP EXAM WITH ALL CORRECT ANSWERS.docx Zero Boil-Off - Answer-System that reduces/eliminates the need to recharge Helium in a magnet. Quench - Answer-Quickly eliminating the magnetic field. Not immediate, takes 3 to 5 minutes to completely eliminate magnetic field. Loud Noise as Helium rushes out of Quench Vent. Can cause crack in the wire (very costly to repair/replace). Ohm's Law - Answer-Resistance that is equal to Voltage divided by the amperage in a wire. V=IR U...

MRSO FINAL EXAM QUESTIONS AND ANSWERS LATEST 2024 (GRADED A+) Which of the following can be potential safety concerns to a patient in the static magnetic field? A. Electrically conductive materials B. Ferrous objects C. Magnetic objects D. All of the choices. - Answer D. All of the choices An object that retains its magnetic field when exiting the static magnetic field is call what? A. Paramagnetic B. Diamagnetic C. Ferromagnetic D. Superparamagnetic - Answer C. Ferromagnetic What di...

MRSO EXAM 2| Questions and Answers 100% Correct| Updated 2024 What is the name of the gradient coil used to produce sagittal and coronal images? a. Transverse coil b. Golay coil c. Maxwell coil d. Receiver coil - answerb. Golay coil ("saddle coil") Which of the following is able to handle the most RF heating? a. elderly b. adult c. obese adult d. neonate - answerd. neonate Which of the following techniques can be used to increase the echo spacing? Select all that apply. a. Increa...

MRSO: Exam 2 Questions with 100% Correct Answers 2024/2025 What is the name of the gradient coil used to produce sagittal and coronal images? a. Transverse coil b. Golay coil c. Maxwell coil d. Receiver coil - answerb. Golay coil ("saddle coil") Which of the following is able to handle the most RF heating? a. elderly b. adult c. obese adult d. neonate - answerd. neonate Which of the following techniques can be used to increase the echo spacing? Select all that apply. a. Increase ...

MRSO: Exam 2 Questions with 100% Correct Answers 2024/2025 What is the name of the gradient coil used to produce sagittal and coronal images? a. Transverse coil b. Golay coil c. Maxwell coil d. Receiver coil - answerb. Golay coil ("saddle coil") Which of the following is able to handle the most RF heating? a. elderly b. adult c. obese adult d. neonate - answerd. neonate Which of the following techniques can be used to increase the echo spacing? Select all that apply. a. Increase ...

MRSO Correctly Solved Exam |Question and Answers| UPDATED!!! Which of the following is true of a gad contrast osmolarity? a. Less than blood b. Greater than blood c. Less than water d. Equal to blood *Ans* b. Greater than blood (and greater than water) Which of the following is true if we increase the field of view from 200mm to 400mm? a. We reduce patient heating b. We use a stronger time-varying gradient magnetic field c. We use a weak time-varying gradient magnetic field d. We inc...