The nurse is caring for a patient scheduled to have a magnetic resonance imaging (MRI) study. Which instructions will be included in the teaching? (Select all that apply.)
a. There is only minimal radiation exposure.
b. All metal objects, including dental bridges, jewelry, and body piercings, must be removed.
c. It will be necessary to be NPO for 4 hours before the procedure.
d. A radiopaque medium may be injected during the procedure.
e. There may be a tingling sensation in metal alloy filling of the teeth.
B, D, E
The MRI places the patient in a magnetic field and uses radiofrequency signals to determine how hydrogen atoms behave in the field. All metal must be removed, contrast medium may be in-jected, and the patient may have a tingling sensation in the teeth with metal alloy fillings. There is no restriction on food or fluid intake in relation to the test. The test does not expose the patient to radiation.
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