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 Infection Q&A. Chances are there's an ear infection in your child's future. Seventy-five percent of kids will have at least one by their third birthday. And, according to health experts, almost half of those children will have repeated infections, suffering from three or more by the time they turn four. Since ear infections are the most common ailment in babies and young children, it's important to know their causes, symptoms, and cures.