Dexa exam prep (NEW UPDATED VERSION) LATEST ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED QUESTIONS AND ANSWERS) | GUARANTEED PASS A+ [2026-2027]
T-score for osteoporosis - CORRECT ANSWER The T-score is ≤ -2.5 at the
femoral neck, total hip, or lumbar spine.
QUESTION : Primary osteoporosis - CORRECT ANSWER Age-related bone
loss, common in postmenopausal women and older adults.
QUESTION : Secondary osteoporosis - CORRECT ANSWER Bone loss
caused by an underlying disease or medication.
QUESTION : Cortical bone - CORRECT ANSWER Dense compact bone
forming outer layer and giving structural strength.
QUESTION : Trabecular bone - CORRECT ANSWER Porous bone with high
metabolic activity; main site of remodeling.
QUESTION : Osteoclasts - CORRECT ANSWER Resorb and break down
bone.
QUESTION : Smoking and bone health - CORRECT ANSWER Smoking
reduces estrogen and impairs bone formation.
QUESTION : Aging effect on bone health - CORRECT ANSWER Bone
resorption exceeds formation leading to net bone loss.
2026 2027 GRADED A+
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QUESTION : Primary role of vitamin D - CORRECT ANSWER Facilitates
absorption of calcium and phosphate in the intestine.
QUESTION : Osteocytes - CORRECT ANSWER Sense mechanical stress and
signal remodeling.
QUESTION : Recent contrast before DXA - CORRECT ANSWER Contrast
artificially increases BMD and causes inaccurate results.
QUESTION : Denosumab - CORRECT ANSWER Inhibits RANKL to reduce
osteoclast activity.
QUESTION : ALARA - CORRECT ANSWER Keep radiation exposure As Low
As Reasonably Achievable.
QUESTION : Time near radiation - CORRECT ANSWER Longer exposure
time results in higher radiation dose.
QUESTION : Distance and radiation - CORRECT ANSWER Radiation
intensity decreases exponentially with distance.
QUESTION : Shielding - CORRECT ANSWER Absorbs or deflects radiation
from the source.
QUESTION : Long-term risk of low-dose radiation - CORRECT ANSWER
Cataracts or increased cancer risk.
QUESTION : Dosimeters - CORRECT ANSWER To track cumulative
exposure over time.
2026 2027 GRADED A+