Quiz 3

Module 3 focused on PET imaging, explaining how radiotracers visualize metabolic activity in the brain. It covered key radiotracers like FDG and amyloid-specific tracers, clinical applications in Alzheimer’s, Parkinson’s, epilepsy, and brain tumors, and innovations such as hybrid PET/MRI systems and portable PET scanners.

Instructions:

  1. Read each question carefully before answering.
  2. For Multiple Choice Questions, select the best answer by choosing A, B, C, or D.
  3. For True/False Questions, indicate whether the statement is True or False.
  4. For Fill-in-the-Blank Questions, write the most accurate word or phrase to complete the sentence.
  5. Take your time to reflect on the concepts and review your answers if needed.

Fundamentals of PET Imaging

Positron Emission Tomography (PET) visualizes __________ processes in the body using radiotracers. *

Positron Emission Tomography (PET) visualizes processes in the body using radiotracers.

PET scanners detect __________ rays produced by collisions between positrons and electrons. *

PET scanners detect rays produced by collisions between positrons and electrons.

What is the primary function of PET imaging? *
Which of the following is a commonly used radiotracer in PET imaging? *
PET imaging creates 2D images of metabolic activity in the brain. *
The data from PET imaging is used to construct detailed 3D images of metabolic activity. *

Radiotracers Used in Neuroscience

FDG (Fluorodeoxyglucose) is often used to measure __________ metabolism in Alzheimer’s diagnosis. *

FDG (Fluorodeoxyglucose) is often used to measure metabolism in Alzheimer’s diagnosis.

DOPA (Fluorodopa) maps __________ pathways and is useful for studying Parkinson’s disease. *

DOPA (Fluorodopa) maps pathways and is useful for studying Parkinson’s disease.

Which radiotracer is specifically used for detecting amyloid plaques in Alzheimer’s disease? *
Emerging PET tracers target: *
FDG is commonly used to measure dopamine pathways in Parkinson’s disease. *
Amyloid-specific tracers are useful for early detection of Alzheimer’s disease. *

Applications in Diagnosing Brain Disorders

PET imaging detects amyloid plaques and tau proteins, aiding in early diagnosis of __________ disease. *

PET imaging detects amyloid plaques and tau proteins, aiding in early diagnosis of disease.

PET identifies seizure foci in epilepsy by detecting regions of abnormal __________. *

PET identifies seizure foci in epilepsy by detecting regions of abnormal .

What does PET imaging map in Parkinson’s disease? *
How does PET imaging assist in brain tumor diagnosis? *
PET imaging can help monitor disease progression in Parkinson’s disease. *
Brain tumors cannot be differentiated using PET imaging. *

Innovations in PET Imaging

Hybrid PET/MRI systems combine metabolic data from PET with detailed __________ imaging from MRI. *

Hybrid PET/MRI systems combine metabolic data from PET with detailed imaging from MRI.

Emerging __________ PET scanners enable bedside imaging in critical care settings. *

Emerging PET scanners enable bedside imaging in critical care settings.

What is a benefit of hybrid PET/MRI systems? *
How is artificial intelligence (AI) transforming PET imaging? *
Portable PET scanners can be used in rural and underserved areas for neuroimaging. *
AI in PET imaging can achieve over 90% diagnostic accuracy in detecting amyloid deposits. *