DEXA Study Guide 2026
Everything you need to pass the DEXA exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 DEXA Exam Format at a Glance
📚 DEXA Topics to Study (21)
✍️ Sample DEXA Questions & Answers
1. Which anabolic agent used for osteoporosis treatment stimulates new bone formation by mimicking parathyroid hormone?
Teriparatide is a recombinant PTH(1-34) analog that activates osteoblasts to build new bone, making it an anabolic (bone-building) therapy.
2. Denosumab (Prolia) reduces bone resorption by inhibiting which signaling molecule?
Denosumab is a monoclonal antibody that binds and neutralizes RANKL, blocking osteoclast differentiation and activity.
3. Which DEXA QA action should be performed if the daily phantom scan image shows unusual artifacts or distortion?
Imaging artifacts may indicate detector malfunction; patient scanning must stop until the system is inspected and cleared.
4. Which documentation practice BEST demonstrates regulatory compliance for DEXA certified professionals?
Organized, dated, and signed records demonstrate systematic regulatory compliance.
5. When a DEXA professional encounters an unexpected result during a procedure, the FIRST action should be to:
Stopping to assess unexpected results is critical for safety and quality.
6. What T-score indicates osteoporosis?
According to the World Health Organization (WHO) criteria, a T-score of -2.5 or lower indicates osteoporosis. This signifies significantly reduced bone mineral density, placing the individual at a high risk for fragility fractures. T-scores between -1.0 and -2.5 indicate osteopenia, or low bone mass.