Which of the Following Imaging Techniques Involves the Use of a Contrast

question 12

Multiple Choice

Which of the following imaging techniques involves the use of a contrast medium injected into the vein to visualize blood vessels?

• A) Nerve conduction studies
• B) CT angiography
• C) Diagnostic ultrasound
• D) fMRI

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Definitions:

Psychoanalysis

The study of the dynamics of the mind developed by Sigmund Freud.

Humanism

A philosophical and ethical stance that emphasizes the value and agency of human beings, individually and collectively, often preferring critical thinking and evidence over dogma or superstition.

Negative Reinforcement

A psychological principle where the removal of a negative condition strengthens or increases the likelihood of a behavior.

Positive Reinforcement

A process where introducing a stimuli following a behavior leads to an increase in the frequency of that behavior, reinforcing the desired action.