Pulse echo technique - Study guides, Class notes & Summaries

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...

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...

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...