Which of the Following Statements Is Incorrect

question 24

Multiple Choice

Which of the following statements is incorrect?

• A)All vector quantities have directions.
• B)All vector quantities have magnitudes.
• C)All scalar quantities have directions.
• D)All scalar quantities have magnitudes.

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Definitions:

MRI Scan

A medical imaging technique that uses a magnetic field and computer-generated radio waves to create detailed images of organs and tissues within the body.

Blood-Oxygenated-Level-Dependent

A measure used in functional MRI to detect brain activity by assessing changes in blood oxygen levels, reflecting the amount of neural activity in specific areas of the brain.

BOLD Signals

Biological markers in neuroimaging, particularly in functional magnetic resonance imaging (fMRI), which stand for Blood Oxygen Level Dependent signals, reflecting changes in brain activity.

Oxygenated Blood

Blood that has been enriched with oxygen through the process of respiration in the lungs and is carried from the heart to the rest of the body.