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.
Middle ear infection is the most common type of ear infection. Middle ear infection often follows a cold or respiratory infection. It can occur at any age but it is most common in children under 6 years of age - particularly those aged 3 months to 3 years. External ear infection or swimmers ear (otitis externa) External ear infection affects the outer ear and ear canal.