Read this selection: Addison disease is caused mostly by idiopathic atrophy of the adrenal cortex.Which of the following statements best describes the cause of Addison disease?
A)The adrenal cortex is enlarged due to increased hormone production.
B)The adrenal cortex shrinks for unknown reasons.
C)The adrenal cortex becomes diseased through viral infection and shrinks
D)The adrenal cortex shrinks due to exogenous administration of corticosteroids.
E)The adrenal cortex stops functioning due to a bacterial infection.

Question

Quizplus · Accepted Answer

Addison disease is caused by idiopathic (unknown reason) atrophy (shrinkage) of the adrenal cortex. Therefore, option B is the best statement that describes the cause of Addison disease. Options A, C, D, and E are not accurate explanations for the cause of this disease.

Read This Selection: Addison Disease Is Caused Mostly by Idiopathic