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.
Final Thoughts on Ear Infection Symptoms. 1  Ear infections are bacterial or viral infections that cause inflammation in the outer, middle or inner parts of the ears. The most common type of ear infection, especially in young children or babies, is middle ear infection (also called acute otitis media).