Final answer:
The test developed to assess age-related changes in bone density that does not pick up these changes has limited sensitivity.
Step-by-step explanation:
The test developed to assess age-related changes in bone density that does not pick up these changes has limited sensitivity. Sensitivity refers to the ability of a test to correctly identify individuals who have the condition or characteristic the test is designed to detect. In this case, the test lacks sensitivity because it fails to detect age-related changes in bone density.