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DXA BOARD Exam Prep Newest 2026-2027 With Complete Questions And Correct Detailed Answers ( Answers)
What is absorbed dose and how is it measured - ANSWER- Measurement of the total amount of radiation entering the body Gy/ RAD
What is effective dose and how is it measured - ANSWER-Calculated dose that calculates the biological harm radiation may have in tissue after being absorbed
SV/ REM
What is the equation for effective dose - ANSWER-DQwT
D-absorbed dose Q- quality factor wT- tissue weight hint factor
What is the tissue weighting factor for gonads - ANSWER-0.20
What are the three biological effects of radiation - ANSWER-1.Carcinogenic- atomic bomb survivor 1 / 3
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- mutagenetic- mutations in genes
- teratogenics- interutero exposure
What two subgroups did biological effects go into - ANSWER-1.Stochastic
- low dose
- occur random
- no threshold
- deterministic
- has threshold
-high dose
How much radiation does DXA give off - ANSWER-.1 to .5 SV PER exam
What does ALARA stand for? - ANSWER-As Low As Reasonably Achievable
How far should tech me from DXA table - ANSWER-1 meter
What is the importance of quality control - ANSWER-Stability of system 2 / 3
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we use phantom to mounted daily performance
What should we do with software changes to our system - ANSWER- Check with manufacturers before installing know why we are upgrading compare BMD from old software to knew and should be identical still
What are the hormonal diseases associated with osteoporosis - ANSWER-Hypogonadism hyperparathyroidism hyoerthyroidism insulin dependabr
What autoimmune disease is associated with osteoporosis - ANSWER- Rheumatoid arthritis
What gastrointestinal disease is associated with osteoporosis - ANSWER-Malabsorption syndromes ex- gastrecrony, bypass, Chrons disease, celiac disease
What medications are associated with reduced bone mass - ANSWER-1.Glucocorticoids
- thyroid meds
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