ANATOMY

Detailed explanation-1: -Hypernatremia occurs due to net water loss or excess sodium intake. It is more common in infants or elderly population with neurological or physical impairment.

Detailed explanation-2: -The greatest risk factor is age older than 65 years. In addition, mental or physical disability may result in impaired thirst sensation, an impaired ability to express thirst, and/or decreased access to water. Hypernatremia often is the result of several concurrent factors. The most prominent is poor fluid intake.

Detailed explanation-3: -Infants and children. The most likely group to experience severe diarrhea and vomiting, infants and children are especially vulnerable to dehydration.

Detailed explanation-4: -Advanced age. Mental or physical impairment. Uncontrolled diabetes (solute diuresis) Underlying polyuria disorders. Diuretic therapy. Residency in nursing home, inadequate nursing care. Hospitalization. [27, 37] 03-Jan-2023