The answer block for the “Clinical Quiz” in the April 1, 2002 issue (page 1470) contained an incorrect answer for Question 22. The correct answers to the question, pertaining to the article “Radiologic Bone Assessment in the Evaluation of Osteoporosis,” are A (increased age), C (tobacco use), and D (low body mass index). Question 22 is reprinted below.
Q22. Which of the following is/are risk factors for osteoporosis?
A. Increased age.
B. History of falls.
C. Tobacco use.
D. Low body mass index.