超星 - 专业英语自测 - 查题吧

单选题

Which of the following electromagnetic energy is most possible to cause the ionization damage to human tissue?

A. Radio waves
B. Microwaves
C. Infrared rays
D. Ultraviolet

单选题

Which of the following career titles is mostly impossible for you to develop in your future?.

A. Radiographer
B. Radiologic technologist
C. Radiologist
D. Healthcare professional

单选题

So lar what type of information of human body is most reliably. visualized through traditional Medical Imaging approaches?

A. structural
B. physiological
C. metabolic
D. molecular process

单选题

100 μSv is equal to ____ mrem.

A. 100
B. 10
C. 1
D. 0.1

单选题

When an electron is removed from an atom, the atom is said to be __.

A. Radioactive
B. Excited
C. Ionized
D. Metastable

单选题

The following unit is used to measure the quantify of energy except___.

A. Electron volt
B. Hertz
C. Joule
D. Erg

单选题

Which of the following is not equal to one Gray?

A. 1.0 Joule/kg
B. 1.0 Sv/QF(quality factor)
C. l00 rads
D. 100 ergs/gram

单选题

X-rays are made up of ___.

A. electrons
B. protons
C. photons
D. Neutrons

单选题

The term used to describe the loss of excess energy by the nucleus of radioactive atoms is called ____.

A. decay (disintegration)
B. ionization
C. scintillation
D. Activation

单选题

If a 500keV photon enters an atom that has a binding force of 50keV and removes an electron by giving it an energy of 50keV, then the new photon would have an energy of 400keV.

A. True
B. False

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