Which of the following determines the ability of a water system to deliver a sufficient quantity of water at an adequate pressure?

Which of the following statements best describes the psychosocial development of school-age children?

a. The development of a self-concept occurs at this age. b. The school-age child strives for autonomy, and the parents strive for control. c. Capacity for logical, analytical, and abstract thinking is developed at this age. d. Separation anxiety is developed, as the child begins clinging and crying when a parent leaves.

What is believed to be the cause of systemic hypertension in patients with sleep apnea?

a. Hypervolemia b. Increased sympathetic tone c. Elevated CO2 d. Tachycardia