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?

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

If a viral host cell has a mutation that interferes with the addition of carbohydrates to proteins in the golgi, which of the following could likely result? a) the viral envelope proteins would not be glycosylated and might not arrive at the host plasma membrane. b) the viral capsid proteins would not be glycosylated and might not arrive at the host plasma membrane. c) the viral core proteins would not be glycosylated and might not arrive at the host plasma membrane. d) the virus would be unable to reproduce within the host cell

What factors characterize a healthy relationship that contributes to positive social well-being?