Example 2: Moment of Inertia of a disk about an axis passing through its circumference Problem Statement: Find the moment of inertia of a disk rotating about an axis passing through the disk's circumference and parallel to its central axis, as shown below.
In middle-aged adults, aldosteronism is the most common secondary cause of hyperten-. sion, and the recommended initial diagnostic test is an aldosterone/. renin ratio. Up to 85 percent of children with hypertension have an. identifiable cause, most often renal parenchymal disease.
Hypertension may be primary, which may develop as a result of environmental or genetic causes, or secondary, which has multiple etiologies, including renal, vascular, and endocrine causes. Primary or essential hypertension accounts for 90-95% of adult cases, and secondary hypertension accounts for 2-10% of cases.