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.
Studies actually show that more than 60-percent of head colds turn into an ear infectionâparticularly in babies and toddlers. However, identifying an ear infection in yourself or spotting one in your child is often difficult if youâre not familiar with the symptoms.