Hypoxia, or lack of sufficient oxygen, is the single most common cause of cellular injury (see Figure 2-8). The other options are not a commonly observed as is the correct option. PTS: 1 REF: Page 56 31. During cell injury caused by hypoxia, sodium and water move into the cell because: a.
Boys develop ear infections more often than girls, as do kids with a family history of ear infections. They're also more common during the winter season, when lots of people get upper respiratory tract infections or colds.
Ear infections are most common in someone who already has an upper respiratory infection. Children get ear infections much more often than adults. The highest concentration of ear infections occurs in the window between 6 and 24 months of age. About a third of children get no ear infections; about one third have occasional ear infections (three or less in any one year); and about one third are prone to ear infections. Children may be prone to ear infections for a variety of reasons.