题目内容

Which of the following radioisotopes is used for SPECT

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

查看答案

搜索结果不匹配？点我反馈

更多问题

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

The intensity of the ultrasonic beam will be reduced by which of the following effects?

Absorption
B. Scattering
C. Reflection
D. All of the above