Welcome to the Quiz!
This quiz contains 9 questions from a mix of 1 subtopics.
What does a higher concentration of radiotracer in a PET scan indicate?
decreased metabolic activity
normal metabolic activity
increased metabolic activity
none of the above
|
Which of the following medical conditions can PET scans help diagnose?
brain disorders
cancer
all of the above
heart disease
|
Why do the radiotracers used in PET scans have short half-lives?
to minimise radiation exposure to the patient
to ensure the radiotracer is eliminated quickly from the body
to allow for repeated scans within a short period
A and B
|
What is the process called when a positron collides with an electron, resulting in their annihilation?
|
What type of rays are emitted when a positron and electron annihilate each other?
|
What is the term for the increased uptake of a radiotracer in certain areas of the body?
|
Explain the process of positron-electron annihilation in a PET scan.
|
Describe the steps involved in reconstructing an image from the data collected by a PET scanner.
|
How does the distribution of the radiotracer in a PET scan relate to metabolic activity, and how can this help in medical diagnosis?
|