Answer:
C. ultraviolet radiation.
Explanation:
Cell injury occurs when cells undergo specific changes when subjected to an internal factor or an external factor. Such change causes "illness" to the person.
Under<em> "toxic injury," </em>two sources may cause an injury to the cell. These are <em>endogenous and exogenous factors. </em>Endogenous factors originate within the body while the exogenous factors originate from the environment.
Among the choices above, it is only the<em> ultraviolet radiation</em> that is considered an exogenous factor because it originates from outside the person's body. <u>Prolonged exposure to UV light damages the cells</u> which can lead to <em>cancer</em>.
Answer: D)
Reason: By rewarding oneself you will think that you are the best and you can also become over confident about your work
According to the CDC Prevention Guidelines Database: fter treatment of each patient and at the completion of daily work activities, countertops and dental unit surfaces should be cleaned with disposable toweling, using an appropriate cleaning agent and water as necessary. Surfaces then should be disinfected with a suitable chemical germicide.
A chemical germicide registered with the EPA as a "hospital disinfectant" and labeled for "tuberculocidal" (i.e., mycobactericidal) activity is recommended for disinfecting surfaces that have been soiled with patient material.
that their speech was not normal at all, that they were beginning to stutter
