A child with asthma is given aminophylline at a recommended dose of 0.6 mg/kg of body weight. The child weighs 54 lb. What dosage should the child receive?

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

Why is it important for health care professional to stay informed about new development?

Based on the chart, what are the three most effective methods to protect against pregnancy?