Podcast
Questions and Answers
What is the main function of the blood-brain barrier (BBB) mentioned in the text?
What is the main function of the blood-brain barrier (BBB) mentioned in the text?
- Regulates the passage of substances between the bloodstream and brain tissue (correct)
- Prevents the passage of all substances between the bloodstream and brain tissue
- Allows all molecules to freely cross into the brain tissue
- Only allows lipophilic radiopharmaceuticals to cross into the brain tissue
Which type of imaging approach uses radiopharmaceuticals that do not routinely cross an intact blood-brain barrier?
Which type of imaging approach uses radiopharmaceuticals that do not routinely cross an intact blood-brain barrier?
- PET Metabolic and Receptor Brain Imaging
- MRI Brain Imaging
- Planar Brain Imaging (correct)
- SPECT Brain Perfusion Imaging
What kind of radiopharmaceuticals does SPECT Brain Perfusion Imaging use?
What kind of radiopharmaceuticals does SPECT Brain Perfusion Imaging use?
- Lipophilic radiopharmaceuticals that cross the blood-brain barrier (correct)
- Radiopharmaceuticals that do not cross the blood-brain barrier
- Radiopharmaceuticals that only localize in pathologic processes
- Highly selective radiopharmaceuticals
Which imaging approach uses functional positron-emitting radiopharmaceuticals?
Which imaging approach uses functional positron-emitting radiopharmaceuticals?
In which imaging approach are radio-labeled fluorodeoxyglucose used as a glucose analog?
In which imaging approach are radio-labeled fluorodeoxyglucose used as a glucose analog?
Where is the blood-brain barrier (BBB) mainly located within the brain?
Where is the blood-brain barrier (BBB) mainly located within the brain?
Which part of the brain is involved in planning, judgement, and personality?
Which part of the brain is involved in planning, judgement, and personality?
What is the main function of the postcentral gyrus?
What is the main function of the postcentral gyrus?
Which structure controls basic functions like cardiac and respiratory centers in the brain stem?
Which structure controls basic functions like cardiac and respiratory centers in the brain stem?
What is the main role of the hypothalamus in the brain?
What is the main role of the hypothalamus in the brain?
Which cells help form the blood-brain barrier?
Which cells help form the blood-brain barrier?
What is the primary source of energy for the brain?
What is the primary source of energy for the brain?
Which cells form the myelin sheath for insulation within axons?
Which cells form the myelin sheath for insulation within axons?
What is the main purpose of the ventricular system within the brain?
What is the main purpose of the ventricular system within the brain?
What is the function of basal ganglia in the brain?
What is the function of basal ganglia in the brain?
What is the main role of the cerebellum in the brain?
What is the main role of the cerebellum in the brain?
Which type of injection for CSF imaging allows the dose to be administered into the subarachnoid space?
Which type of injection for CSF imaging allows the dose to be administered into the subarachnoid space?
What is the primary characteristic of 99mTc-HMPAO during a brain scan?
What is the primary characteristic of 99mTc-HMPAO during a brain scan?
Which statement accurately describes 99mTc-pertechnetate and 99mTc-DTPA as radiopharmaceuticals?
Which statement accurately describes 99mTc-pertechnetate and 99mTc-DTPA as radiopharmaceuticals?
What is the function of Acetylcholine in the brain and heart?
What is the function of Acetylcholine in the brain and heart?
What is the radiopharmaceutical used for epilepsy SPECT?
What is the radiopharmaceutical used for epilepsy SPECT?
Which statement regarding Diomox is true?
Which statement regarding Diomox is true?
What is the purpose of dimming the lights in the room before imaging?
What is the purpose of dimming the lights in the room before imaging?
When should the IV be placed before injection?
When should the IV be placed before injection?
What instruction should be given to the patient regarding reading or speaking during the imaging procedure?
What instruction should be given to the patient regarding reading or speaking during the imaging procedure?
Which RP is used for a brain PET scan to detect mild symptoms of Parkinson's disease?
Which RP is used for a brain PET scan to detect mild symptoms of Parkinson's disease?
What is the recommended RP for diagnosing brain death using planar imaging?
What is the recommended RP for diagnosing brain death using planar imaging?
What technique is most sensitive for localizing the epileptogenic focus in complex partial seizures arising from the temporal lobe?
What technique is most sensitive for localizing the epileptogenic focus in complex partial seizures arising from the temporal lobe?
Which RP is used for assessing CSF dynamics and only approved by the USA for this purpose?
Which RP is used for assessing CSF dynamics and only approved by the USA for this purpose?
"Misery perfusion" in stroke refers to:
"Misery perfusion" in stroke refers to:
"Luxury perfusion" in stroke refers to:
"Luxury perfusion" in stroke refers to:
"Cisternography" is used primarily for:
"Cisternography" is used primarily for:
What is the most common site for CSF leak?
What is the most common site for CSF leak?
What is the approximate normal ratio of pledgets activity to average plasma activity in CSF leak evaluation?
What is the approximate normal ratio of pledgets activity to average plasma activity in CSF leak evaluation?
What is the purpose of a ventriculoperitoneal (VP) shunt?
What is the purpose of a ventriculoperitoneal (VP) shunt?
What does PET imaging with F-18 FDG help detect in Alzheimer's disease?
What does PET imaging with F-18 FDG help detect in Alzheimer's disease?
Which RP is suggested for amyloid beta plaque deposition detection in Alzheimer's disease?
Which RP is suggested for amyloid beta plaque deposition detection in Alzheimer's disease?
What is a characteristic feature of Lewy body dementia on F-18 FDG PET imaging?
What is a characteristic feature of Lewy body dementia on F-18 FDG PET imaging?
What is a distinguishing feature of vascular dementia on brain imaging?
What is a distinguishing feature of vascular dementia on brain imaging?
What imaging techniques are initially used to evaluate dementia?
What imaging techniques are initially used to evaluate dementia?
What is the primary advantage of PET over SPECT imaging techniques?
What is the primary advantage of PET over SPECT imaging techniques?
What is the key feature observed in Alzheimer's disease due to accelerated neuronal death?
What is the key feature observed in Alzheimer's disease due to accelerated neuronal death?
