Which of the Following Best Describes the Mechanism Behind the Increased

question 10

Multiple Choice

Which of the following best describes the mechanism behind the increased oxygen detected by fMRI during brain activity?

• A) Glial cells aid in increasing capillary blood flow through their interaction with neurons and capillaries during periods of high activation.
• B) There is an increase in the flow of oxygen ions along the axons of active neurons.
• C) Glial cells allow more molecules into the intracellular space during periods of high activation.
• D) Glial cells transport oxygen and other ions/molecules from blood capillaries directly to neurons during periods of high activation.
• E) Oxygen ion channels in glial cells near blood capillaries become more permeable during periods of high activation, allowing more oxygen ions into glial networks.

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Definitions:

Pro Bono

Professional work undertaken voluntarily and without payment as a public service, especially in legal contexts.

Edward Bernays

Known as the father of public relations, he was an influential figure in the early 20th century who applied psychological principles to advertising and public relations.

PR Campaign

A strategic communication effort designed to influence public perception and behavior, often involving media outreach, events, and messaging to achieve specific organizational goals.

Measurable Objectives

Clearly defined goals that can be quantified and tracked, allowing organizations or individuals to assess progress towards achieving these targets.