Spinning protons - Study guides, Class notes & Summaries

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...

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,...

A&P types of corrosion sec B Questions and Answers Latest updated 2024 Protons Neutrons Electrons The basic unit of a chemical element is the atom. It is made up of a nucleus which contains ________ and _______, and is surrounded by spinning _________ Positive No charge Negative What electrical charge is carried by each of these atomic particles? Protón __________ Neutron ______ electron ____ Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10...

ARMRIT Exam Questions with Verified Answers Rated A+ (2024/2025) Different tissues that have signals that appear similar on an MR image are described as: A) hypointense B) hyperintense C) isointense D) isodense - -isointense in a large main magnetic field such as those employed in MRI, the motion of a hydrogen proton has been described as wobbling like a spinning top. this motion is called A) precession B) resonance C) frequency D) angular momentum - -precession magnetic resonance i...

Science Olympiad Study Guide Verified And Updated Ionic Bond - answerA bond between a nonmetal and a metal. One loses or gains an electron. Sea Breeze - answerA wind blowing from cool ocean to warm land next to it. Endoplasmic Reticulum - answerA network of tubes that are responsible for carrying materials throughout the cell. There are often ribosomes scattered about it. Banolith - answerAn intrusive igneous rock at the surface of the earth that formed below the surface. Monera - answer...

ILTS 305 Elementary Education Exam: Comprehensive Study Guide for Language, Math, Science, and More | the set of skills needed to find, retrieve, analyze, and use information - Information Literacy vowel - A syllable at its minimum requires a three 4-line stanzas followed by a two-line couplet; rhymes are contained within stanza - Sonnett Dig deep - MLA citations for web address. To find the author you must... sentence structure and word order - Syntax involves recognition and produc...

ASVAB - General Science Exam 60 Questions with Verified Answers * Which of these reduces friction? car brakes tire tread ball bearings sandpaper - CORRECT ANSWER ball bearings * If you place bean seeds between moist paper towels and watch the stem leaves appear, you will see a demonstration of transpiration germination fertilization pollination - CORRECT ANSWER germination * Any astronomical body that revolves around a larger body is called? a nova a comet a satellite an ast...

Nuclear magnetic resonance. - Answer Magnetic Resonance Imaging is derived from the process known as: Magnetic field, proton, radio-wave - Answer On a very basic level, the three basic components required to attain MR signals are: Superior soft-tissue contrast resolution. - Answer In comparison to Computed Axial Tomography, an advantage of MRI is: Special and costly site planning and shielding. - Answer In comparison to Computed Axial Tomography, a disadvantage of MRI is: Iron, cobal...

The area in Asia that first discovered magnets is known as? - Answer Magnesia The first magnets were called magnetites because the people that lived in the area where they were found were known as? - Answer Magnetes For centuries, sailors use magnets for which of the following purposes? - Answer To navigate the seas Which of the following people named the ends of the magnet north and south poles? - Answer Petrus peregtinus de Maricourt In 1825, the British scientist, William Surgeon,...

asthenosphere plastic, subdivision of the mantle below the lithosphere. rock is easily deformed atmosphere gaseous shell, planet's envelope of air biosphere life on earth near surface catastrophism earth shaped by catastrophes: canyons, mountains, etc. convergent boundary plates come together core located beneath the mantle, it is the Earth's innermost layer. Inner and Outer crust the very thin, outermost layer of earth divergent boundary...