3 fields used in mri - Study guides, Class notes & Summaries
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MRI CAMRT Exam Study Guide Questions and Answers Top Graded 2024
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Is SNR proportional or inversely proportional to voxel volume - ANSWERS-Proportional 
 
3 fields used in MRI - ANSWERS--static magnetic field 
-TVMF (gradient field) 
-RF field 
 
3 main types of magnets used - ANSWERS--Superconducting (most common_ 
-Resistive 
-Permanent 
 
FDA limits for the 3 fields in MRI - ANSWERS-Static field: 2T 
TVMF: 3T/s 
RF field: 
- does not cause an increase in temperature of more than .5 deg C or any body part of 1 deg C 
-SAR does not exceed 1W/kg avg over 25% o...
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MRI CAMRT Exam Questions With Highest Ratings
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Is SNR proportional or inversely proportional to voxel volume - ACCURATE ANSWER-Proportional 
 
3 fields used in MRI - ACCURATE ANSWER--static magnetic field 
-TVMF (gradient field) 
-RF field 
 
3 main types of magnets used - ACCURATE ANSWER--Superconducting (most common_ 
-Resistive 
-Permanent 
 
FDA limits for the 3 fields in MRI - ACCURATE ANSWER-Static field: 2T 
TVMF: 3T/s 
RF field: 
- does not cause an increase in temperature of more than .5 deg C or any body part of 1 deg C 
-SAR does...
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Introduction to Radiologic and Imaging Sciences and Patient Care 7th Edition Adler Test Bank
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Introduction to Radiologic and Imaging Sciences and Patient Care 7th Edition Adler Test Bank 
 
Chapter 01: Introduction to Imaging and Radiologic Sciences 
Adler: Introduction to Radiologic and Imaging Sciences and Patient Care, 7th Edition 
 
 
MULTIPLE CHOICE 
 
1.	The use of X-rays to create a medical image on patients is referred to as 
a.	electrocardiography. 
b.	radiography. 
c.	sonography. 
d.	magnetic resonance imaging. 
ANS: B 
Radiography is the making of records, known as radiographs...
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Magnetic Resonance Imaging (MRI) Questions and Answers 2023
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Magnetic Resonance Imaging (MRI) Questions and Answers 2023 
What does MRI rely on? [3] 
 
electromagnetic fields, radio waves, and hydrogen levels in the body 
 
 
 
What % of the human body is hydrogen? 
70% 
 
 
 
What distinguishes MRI from CAT scans/x-rays? 
no ionising radiation present 
 
 
 
What is magnetic force measured in? 
tesla 
 
 
 
At what strength is the MRI magnet maintained? 
constant tesla strength 
 
 
 
What is the magnetic strength of clinical scanners? 
approx. 1.57, 3T,...
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NSG 6420: NEURO DISORDER EXAM QUESTIONS AND ANSWERS
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NSG 6420: NEURO DISORDER EXAM 
QUESTIONS AND ANSWERS 
HEADACHE TRIGGERS -Answer-MIGRAINE 
• Stress • Caffeine • Altered sleep • Specific foods, missed meals • Menses • Alcohol • 
Hormone supplements 
CLUSTER 
• Smoking • Alcohol • Vasodilators • Seasonal changes • Altitude changes 
TENSION 
• Stress • Fatigue/lack of sleep • Anxiety/depression • Caffeine/tobacco overuse • Latent 
hostility 
CN Assessments -Answer-CN I, olfactory After establishing patency of nos...
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Complete Test Bank Bontrager’s Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Questions & Answers with rationales (Chapter 1-20)
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Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatom...
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RADT 1010 FINAL Exam Study Questions With Correct Solutions All Verified By An Expert A+ Graded
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use of x-rays to create a medical image on patients is referred to as: 
radiography 
3 multiple choice options 
 
 
Particular care must be taken when using radiation for medical imaging. This is the result of radiation's ability to create __________ in human tissue and possible biochemical changes. 
ionizations 
3 multiple choice options 
 
 
In the diagnosis of patient disease states, physicians can select from an array of medical diagnostic modalities. A few of these involve the use of ioniz...
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Chapter 20: MAGNETIC RESONANCE IMAGING (MRI) Questions And Answers.
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MRI uses _______________and _______________to obtain a mathematically 
reconstructed image. - correct answer Magnetic fields and radio waves 
 
The MRI image represents differences in the patient's tissues in the number of____________________ and the rate at which they recover from radiofrequency stimulation. - correct answer Nuclei 
 
Which nucleus is most suitable for MRI? and Why? - correct answer Hydrogen (single-proton nucleus) 
The large amount of hydrogen present in any organism (Hydroge...
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MRSO: Exam mark (Answered 100% Correctly)|MRSO Test Bank
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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...
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ATI FUNDAMENTALS PROCTORED EXAM RETAKE GUIDE.
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ATI FUNDAMENTALS PROCTORED EXAM RETAKE GUIDE 
 
 
 
 
1.	CHAPTER 1: HEALTH CARE DELIVERY SYSTEMS 
A.	 
B.	Components of Health care systems 
a.	Participants 
1.	Consumers- clients 
2.	Providers 
a.	Licensed providers: registered nurses, license practical (or vocational) nurses (LPN), advanced practice nurses (APN), medical doctors, pharmacists, dentists, dietitians, physical/respiratory/occupational therapists, etc 
b.	Unlicensed providers: assistive personal 
b.	Settings 
1.	Hospitals, homes...
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