Before Taking a Magnetic Resonance Image (MRI),the Patient Asks Why

question 29

Multiple Choice

Before taking a magnetic resonance image (MRI) ,the patient asks why metal objects and the MRI machine are such concerns.The nurse's best explanation is that the MRI machine will: (Select all that apply.)

• A) Cause metal objects to spark, similar to a microwave
• B) Deactivate the battery in a pacemaker
• C) Cause metal to heat up and burn the patient
• D) Not transmit clear data if metal is present
• E) Attract any metal into the MRI chamber

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Definitions:

Relative Magnitude

The comparison of the size, extent, or importance of something in relation to another.

Difference Threshold

The least variation in stimulation that an individual is able to recognize 50% of the occasions, commonly termed as the just noticeable difference (JND).

Marginal Intensity

Marginal intensity refers to the change in the level of intensity or satisfaction gained from consuming an additional unit of a resource or performing an additional unit of activity.

Relative Magnitude

The perception or measurement of the size, duration, or intensity of an object or event in comparison to another.