题目内容

SPECT radiopharmaceutical [99mTc] sodium pertechnetate and [123I] sodium iodide were used to image which part:

A. Heart
Brain
C. Thyroid

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Which of the following radioisotopes is used for SPECT

A. Indium-111.
B. Fluorine-18.
Carbon-11.

How does iodine-123 decay?

A. By capturing electrons
B. Conversion by isomeric extraction
C. By alpha decay

Doppler ultrasound can be used to display

A. Fetal heart beat
B. Rear artifacts
C. Blood flow

The echogenicity of fetal bones can be considered

A. Echoless
B. Low echo
C. Hyperechoic

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