The number of protons and neutrons in the atom’s nucleus is the ____.

In the x-ray circuit, which of the following devices changes alternating to direct current?

If an atom has more protons than electrons it will ___.

A pre-terms PaO2 should be kept in a range between ______ to prevent overoxygenation and a PaCO2 range between ________ to prevent overinflation.

What is the most common x-ray tube target angle?

Characteristic x-ray photons result ___.

The relationship between the actual focal spot size, effective focal spot size, and anode target angle is called ____.

Which of the following is NOT a correct law of electrostatics?

A material that resists the movement of electrons is a(n) ____.

Thermionic emission is ____.