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Contrast Medium-Induced Nephropathy Pathophysiology

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Contrast Medium-Induced Nephropathy Pathophysiology

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Questions and Answers

Which type of isotopes are required for producing a three-dimensional image of functional processes in the body?

Beta-emitting isotopes

Positron-emitting isotopes (correct)

Alpha-emitting isotopes

Gamma-emitting isotopes

What is the most commonly used biologically active molecule for Positron Emission Tomography (PET)?

2-deoxy-2-18Ffluoro-β-D-glucose (correct)

4-deoxy-4-18Ffluoro-γ-D-glucose

5-deoxy-5-18Ffluoro-δ-D-glucose

3-deoxy-3-18Ffluoro-α-D-glucose

What should be avoided prior to imaging to prevent a considerable increase in radiotracer uptake by various tissues?

Strenuous exercises (correct)

Breathing exercises

Light stretching exercises

Meditation

Which of the following factors can affect brain function and should be avoided within 24 hours of a Positron Emission Tomography (PET) procedure?

Caffeine, alcohol, or tobacco Signup and view all the answers

What dietary recommendation is given 24 hours before a Positron Emission Tomography (PET) scan?

Low-carbohydrate, no-sugar diet Signup and view all the answers

What is the half-life of Fluorine-18, which is commonly used in radiolabelling biomolecules for PET?

109.8 minutes Signup and view all the answers

Which condition can prevent the ability to lie still during a Positron Emission Tomography (PET) scan?

Neurological or psychiatric conditions Signup and view all the answers

What is the main route of administration for biomolecules used in Positron Emission Tomography (PET)?

<pre><code>Intravenous route </code></pre> Signup and view all the answers

"2-deoxy-2-18Ffluoro-β-D-glucose (18F-FDG)" is an analogue of which molecule?

<pre><code>Glucose </code></pre> Signup and view all the answers

"Anxiety, which affects brain function", is described as excessive when it interferes with what procedure?

<pre><code>Positron Emission Tomography (PET) </code></pre> Signup and view all the answers