Which of the Following Brain Imaging Techniques Measures Blood Flow

question 100

Multiple Choice

Which of the following brain imaging techniques measures blood flow directly by tracking a harmless radioactive substance?

• A) PET
• B) MRI
• C) fMRI
• D) all of the above

---

Definitions:

Low-pass Filters

Electronic circuits that pass signals with a frequency lower than a certain cutoff frequency and attenuate signals with frequencies higher than the cutoff frequency.

Inductor

A passive electrical component used in circuits to store energy in a magnetic field when electric current flows through it.

Load Resistor

A resistor used within an electrical or electronic circuit to impose a specific load, often for testing, stabilizing, or controlling current flow.

Reject Low Frequencies

Describes a filter's ability to attenuate or eliminate signals below a certain frequency threshold, allowing higher frequencies to pass.