Which Neuroimaging Technique Involves Injecting an Isotope of Oxygen into the Bloodstream

question 1

Multiple Choice

Which neuroimaging technique involves injecting an isotope of oxygen into the bloodstream and using it to measure regional cerebral blood flow?

• A) fMRI
• B) PET
• C) CT
• D) EEG

---

Definitions:

International Exchange

The trading of goods, services, and currencies among countries, allowing for the movement of resources across borders.

Current Account

A component of a country's balance of payments that includes the trade balance, net income from abroad, and net current transfers, reflecting the flow of goods, services, primary income, and secondary income.

Trade Deficit

Occurs when a country's imports exceed its exports during a specific time period, indicating that it is spending more on foreign trade than it is earning.

Excessive Spending

The act of spending funds beyond what is considered reasonable or sustainable, often leading to financial imbalances.