Pulse echo technique - Study guides, Class notes & Summaries

MRA MR Quiz The MRA technique that relies on velocity induced phase shifts to distinguish between moving and stationary protons is: A. Phase contrast B. CE-MRA C. Time of flight D. Time resolved - Phase contrast The MRA technique that relies on velocity induced phase shifts to distinguish between moving and stationary protons is Phase contrast MRA. The ___________ supplies blood to the anterior brain. A. Iliac artery B. Internal carotid artery C. External carotid artery D. V...

A technique to avoid "cross-talk"? - Answer-Interleaving Combining a metal ion with ligand reduces tendency to bind to proteins, enzymes or membranes. The degree to which they dissociate is a measure of their? - Answer-Toxicity The "best" technique for improving image quality is to increase? - Answer-NEX Tissues that have low (short) relaxation times have? - Answer-High (long) relaxation rates Linear relationship between frequency and position is superimposed on Bo by the Gp. The hydrog...

ARMRIT practice tests questions and answers The 2 types of enhancement media described by Lauffer, the mechanism of T1 agents is - Ans ️️ -to decrease T1 relaxation time, thus emitting high signal An analogy for the decoding of the MR signal through Fourier Transform - Ans ️️ -Basilar membrane processing sound Logically each line of phase encoding data is combined to allow the FT to determine the position along the y-axis. The number of phase encoding steps determines - Ans ️️ ...

HESI LPN EXIT EXAMMEREGED FROM 2021/2022ACTUAL EXAMSBEST FOR 2023 ACTUAL EXAM REVIEW HESI PN Comprehensive Exam What intervention should the practical nurse (PN) implement to meet the physiologic integrity of a client during a manic episode of bipolar disorder? A. Provide the client with finger foods. B. Restrict the client's oral fluid intake. C. Give the client low-protein, low-calorie snacks. D. Interrupt the client's performance of rituals. A. Provide the client with finger foods. Duri...

Introduction to Sonography - Final Exam Review Questions and Answers 100% AccurateIntroduction to Sonography - Final Exam Review Questions and Answers 100% AccurateIntroduction to Sonography - Final Exam Review Questions and Answers 100% AccurateIntroduction to Sonography - Final Exam Review Questions and Answers 100% Accurate What are resourceful actions, judgments, and decisions based on the combination of professional knowledge, experience, integrity, and ethical standards? - ANSWER-Critical...

ARDMS – SPI Exam Questions With Verified And Updated Solutions. What type of wave is a sound wave? - answerlongitudinal, mechanical molecules of the medium vibrate at 90 degrees to the direction of the traveling wave - answertransverse wave what is the range of audible sound? - answer20 Hz to 20 kHz portion of a cycle where the molecules are pushed closer together - answercompression portion of a cycle where the molecules spread farther apart - answerrarefaction what are the three prim...

ARMRIT practice tests Correct QuestionThe 2 types of enhancement media described by Lauffer, the mechanism of T1 agents is - ANSWER to decrease T1 relaxation time, thus emitting high signal An analogy for the decoding of the MR signal through Fourier Transform - ANSWER Basilar membrane processing sound Logically each line of phase encoding data is combined to allow the FT to determine the position along the y-axis. The number of phase encoding steps determines - ANSWER the number of pixels...

SPI ARDMS Exam (2024) || Questions & Solutions (100% Accurate) SPI ARDMS Exam (2024) || Questions & Solutions (100% Accurate) What is increased if the pulse duration is decreased? - ANSWER - a) Bandwidth b) Line Density c) Frame Rate d) Duty Factor What is the most appropriate action for the sonographer to take when receiving a verbal order for an exam? - ANSWER - a) Deny performance of the exam until a written request is received b) Seek approval from supervisor c) Verbally repeat...

The 2 types of enhancement media described by Lauffer, the mechanism of T1 agents is - ANSWER-to decrease T1 relaxation time, thus emitting high signal An analogy for the decoding of the MR signal through Fourier Transform - ANSWER-Basilar membrane processing sound Logically each line of phase encoding data is combined to allow the FT to determine the position along the y-axis. The number of phase encoding steps determines - ANSWER-the number of pixels along the y-axis In a gradient ech...

The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful biological effects. - C)2.0 Tissues that have low (short) relaxation times have: - Higher relaxation rates Nuclei in their natural enviroment ( in the absence of a significant magnetic field) are aligned... - Ra...