If radiological studies are needed during pregnancy, it is important for the clinician to recognize that a(n) ____ exposes a fetus to ionizing radiation
A. Ultrasound
B. CT scan
C. MRI
D. Doppler equipment
ANS: B
If radiology studies are warranted, an ultrasound is safe and effective in diagnosing intra-abdominal conditions during pregnancy. Current knowledge indicates that magnetic resonance imaging (MRI) is safe during pregnancy, but computed tomography (CT) scans expose the fetus to doses of ionizing radiation (Sakornbut, 2008a).
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