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.
If your child develops a fever and a swollen face, or swelling behind the ear, call the doctor or go to an emergency room immediately: This could signal a serious infection. Why does my child get so many ear infections? The eustachian tubes in infants and toddlers seem tailor-made to encourage ear infections.