Audiology and hearing health professionals in developed and developing countries (2002), Lyn et al. (1998), and Swart et al. (1995), impacted cerumen is one of the most common ear diseases and causes of hearing loss, with prevalence rate between 7.4% and 63%. Additionally, otoscopy does not require a great deal of expertise beyond basic training and is useful to refer a child when the tympanic membrane cannot be visualized due to occlusion of the external auditory meatus by cerumen. Pure-tone audiometry screening, in which there is typically no attempt to find threshold, has been found to accurately assess hearing status in children six years and older, when trained health workers
Eucharist in the Catholic Church softness and the other appearances, but is distinct from them. Whereas the appearances, which are referred to by the philosophical term "accidents" are perceptible to the senses, the substance is not. When at his Last Supper Jesus said: "This is my body", what he held in his hands had all the appearances of bread. However, the Catholic Church teaches that the underlying reality was changed in accordance with what Jesus said, that the "substance" of the bread was converted to that of his body. In other words, it "actually was" his body, while all the appearances open to the senses