Category: B

The size of a focal spot has the tendency to expand (referred to as “bloom”) with an increase in milliamperes (mA). Conversely, it diminishes in size with an increase in the target-to-film distance (TFD). In the context of angiography, it is crucial to acknowledge that the focal spot enlarges by approximately 50 percent when transitioning…

During the television scanning process, there exists a specific duration known as the retrace period. This period entails the automatic propulsion of the electron beam to the blank level, ensuring a smooth transition and resetting before the subsequent scanning cycle begins.  

The point within the composite video signal where the electron beam of the kinescope display is entirely deactivated, resulting in complete darkness.  

A dental film positioned between the occlusal surfaces of the teeth to assess the alignment and contact between the upper and lower teeth when biting.  

Within specialized procedures, the technique of capturing images from two different angles using a solitary injection of contrast media.  

The result that radiation may have on life and living organisms in general.  

The most elementary form of a handheld, portable stereoscopic device consists of two prisms, each with an angle of 20°, wherein one prism is positioned in front of each eye.  

The force that secures an electron within its designated shell is referred to as binding energy. Notably, the K shell exhibits the most substantial binding energy, as the K electron maintains the closest proximity to the atomic nucleus.  

Electrons of elevated velocity, endowed with the capacity to permeate matter to a more profound extent than alpha rays, manifest their utility in the realm of therapy specifically tailored for addressing superficial skin lesions.  

Radioactive metamorphosis of a nuclide entails an intriguing process whereby the atomic number experiences a precise alteration, either ascending or descending by a unit of one, while the mass number remains unaltered. The augmentation of the atomic number occurs through the emission of a negatively charged beta particle, also known as a negatron, while its…