Coordination Chemistry in Biomedical Imaging Quiz
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Coordination Chemistry in Biomedical Imaging Quiz

Created by
@CreativeDrama

Questions and Answers

Which medical imaging technique relies upon the emission and detection of highly penetrating gamma (γ) rays?

Single Photon Emission Computer Tomography (SPECT)

Which type of radiation is used in PET/SPECT imaging?

Gamma radiation (γ emission)

What is a key characteristic of PET/SPECT imaging compared to MRI?

High spatial resolution

Which type of radiation has low penetration and is stopped by paper and clothing?

<p>Alpha radiation (He nuclei)</p> Signup and view all the answers

What is the main advantage of using gamma rays for medical imaging?

<p>Readily detected in the body tissues</p> Signup and view all the answers

Which method has the best sensitivity among MRI, SPECT, and PET?

<p>PET</p> Signup and view all the answers

What is the primary method for stopping beta radiation?

<p>Thin metal foil</p> Signup and view all the answers

Which type of radiation is useful for imaging purposes due to its moderate penetration and body tissue transparency?

<p>Gamma radiation</p> Signup and view all the answers

What is the typical PET imaging dose for a human using 18F-FDG?

<p>350 MBq</p> Signup and view all the answers

What limits the resolution of SPECT and PET imaging techniques?

<p>The mean free path of beta radiation</p> Signup and view all the answers

Which radionuclide has the highest maximum beta plus energy?

<p>$^{62}Cu$</p> Signup and view all the answers

For what purpose is FDG (18F-Fluorodeoxy glucose) primarily used?

<p>Visualizing metabolic functions</p> Signup and view all the answers

What is the primary reason that PET and SPECT use radioactive materials that emit γ radiation?

<p>To enhance the penetration of the radiation through body tissues</p> Signup and view all the answers

Why are PET and SPECT referred to as TRACER methods?

<p>Because they utilize pharmacologically insignificant amounts of materials</p> Signup and view all the answers

Which medical imaging technique has the poorest spatial resolution among MRI, SPECT, and PET?

<p>SPECT</p> Signup and view all the answers

What is the main advantage of using gamma rays for medical imaging?

<p>They can penetrate body tissues while being readily detected</p> Signup and view all the answers

What is the typical sensitivity order from highest to lowest among MRI, SPECT, and PET imaging techniques?

<p>SPECT, PET, MRI</p> Signup and view all the answers

What is the primary purpose of using radioactive materials in PET and SPECT imaging?

<p>To ensure that the emitted radiation can penetrate body tissues</p> Signup and view all the answers

What is the typical imaging dose of 18F-FDG for a mouse?

<p>10 MBq</p> Signup and view all the answers

What does SPECT stand for in the context of medical imaging?

<p>Single Photon Emission Computerized Tomography</p> Signup and view all the answers

Which radionuclide has the highest maximum beta plus energy?

<p>$^{66}Ga$</p> Signup and view all the answers

What limits the resolution of PET imaging techniques?

<p>Maximum beta plus energy</p> Signup and view all the answers

What is the primary function of 18F-Fluorodeoxy glucose (FDG) in functional imaging?

<p>To visualize metabolic functions</p> Signup and view all the answers

What is the mode of action of 18F-FDG in mimicking glucose?

<p>It accumulates by a metabolic process</p> Signup and view all the answers

What does PET stand for in the context of medical imaging?

<p>$eta^+$ Particle Emission Tomography</p> Signup and view all the answers

Which type of radiation is used in SPECT and PET imaging?

<p>$eta^+$ radiation</p> Signup and view all the answers

What is the primary method for stopping gamma radiation?

<p>$1 ext{ cm - } 1 ext{ m }$ of concrete or lead</p> Signup and view all the answers

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