To counter obesity in adolescents, increasing physical activity is often more important than curb-ing intake. Sports and regular, moderate to intense exercise necessitate dietary modifications to meet increased energy needs for adolescents

The nurse understands that these modifications include
a. Decreasing carbohydrates to 25% to 30% of total intake.
b. Decreasing protein intake to .75 g/kg/day.
c. Ingesting water before and after exercise.
d. Providing vitamin and mineral supple-ments.


ANS: C
Adequate hydration is very important for all athletes. They need to ingest water before and after exercise to prevent dehydration, especially in hot, humid environments. Carbohydrates, both simple and complex, are the main source of energy, providing 55% to 60% of total daily kilocalo-ries. Protein needs increase to 1.0 to 1.5 g/kg/day. Vitamin and mineral supplements are not re-quired, but intake of iron-rich foods is required to prevent anemia.

Nursing

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When assessing a client's I.V. insertion site, a nurse notes normal color and temperature at the site and no swelling. However, the I.V. solutions haven't infused at the ordered rate; the flow rate is slow even with the roller clamp wide open. When the nurse lowers the I.V. fluid bag, no blood returns to the tubing. What should the nurse do first?

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