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.
Most children experience at least a couple ear infections during early childhood and for some kids they seems to pop up almost as frequently as the next mortgage or rent payment. Ear infections are very much an illness of early childhood and are most common in children from 3 months to 4 years old.Although ear infections can cause temporary pain and discomfort, you can rest assured that most children will outgrow them.ubes can help: 1  Prevent ear infections because they let fluid drain out of the middle ear through the tube into the ear canal. 2  Prevent future fluid build up and a feeling of pressure and pain in the ears. 3  With possible hearing issues.