In adrenocortical insufficiency, such as Addison disease, the most severe manifestations are the result of:. A. An insufficient amount of T4 and T3 B. Deficiencies in the renin-angiotensin system C. An insufficient amount of circulating cortisol D. Decreased levels of all the adrenocortical hormones

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above