DXA Final Exam Prep Newest 2026-2027 Actual Exam

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DXA Final Exam Prep Newest 2026-2027 Actual Exam With Complete Questions And Correct Detailed Answers (Verified Answers) |Already Graded A+

Man-made versions of the calcitonin hormone are based on the hormone

naturally produced by:

• Birds
• Salmon
• Reptiles
• Rodents - ANSWER-B. Salmon

____ activate when RANK is combined with ____.

• Osteoclasts; RANKL
• Osteoclasts; Osteoprotegerin
• Osteoblasts; RANKL
• Osteoblasts; osteoprotegerin - ANSWER-A. Osteoclasts; RANKL

The bisphosphonate medication Alendronate should be taken:

• In the morning on an empty stomach
• In the morning with food
• In the evening on an empty stomach 1 / 3

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• In the evening with food - ANSWER-A. In the morning on an empty

stomach

In addition to iodine-125, what radioactive isotope was used as the radiation source for dual photon absorptiometry?

• Uranium-238
• Radium-226
• Gadolinium-153
• Radon-222 - ANSWER-C. Gadolinium-153

Bone edge detection algorithms are:

• Required by law
• Proprietary to each manufacturer
• Used to diagnose vertebral fxs
• Unreliable - ANSWER-B. Proprietary to each manufacturer

What is the minimum distance a bone densitometry tech should sit from the edge of the scanner table?

• 1 ft.
• 3 ft.
• 6 ft
• Outside of room or behind lead glass - ANSWER-B. 3 ft
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Operation precision is assessed using:

• in vivo testing
• Supervised scans
• QC analysis
• Serial scans - ANSWER-A. in vivo testing

Pt Questionnaire can be filled out after scanning procedure.

• True
• False - ANSWER-B. False

What is the SI unit for roentgen?

• Becquerel
• Coulomb/kg
• Gray
• Sievert - ANSWER-B. Coulomb/kg

Acronym rad stands for:

• Relative acquired dose
• Relative absorbed dose
• Radiation acquired dose
• Radiation absorbed dose - ANSWER-D. Radiation absorbed dose
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