Biology WBI13/01 May June 2020 | Edexcel International AS Level Past Papers With Mark Scheme
Edexcel
International AS/A Level
Biology (WBI)
Jun
2020
2. Image quality assessment–posterior tissue inclusion, absence of skin folds, breast centeredness, sharpness and exposure balance
3. Common positioning errors–pectoralis cutoff, skin folds near axilla, nipple not in profile, inadequate posterior coverage
4. Correction strategies–paddle angle adjustment, patient arm/shoulder realignment, traction technique improvement
5. Criteria for repeat imaging–missing critical anatomy, asymmetry between views, technical artifacts, suboptimal compression
6. Evaluation benchmarks–comparing technologist performance, reproducibility across patients, adherence to diagnostic protocols
معلم موافق رایگان بودن است.
1. MLO and CC view positioning–optimal receptor height, pectoral muscle length, IMF visualization, nipple profile alignment2. Image quality assessment–posterior tissue inclusion, absence of skin folds, breast centeredness, sharpness and exposure balance
3. Common positioning errors–pectoralis cutoff, skin folds near axilla, nipple not in profile, inadequate posterior coverage
4. Correction strategies–paddle angle adjustment, patient arm/shoulder realignment, traction technique improvement
5. Criteria for repeat imaging–missing critical anatomy, asymmetry between views, technical artifacts, suboptimal compression
6. Evaluation benchmarks–comparing technologist performance, reproducibility across patients, adherence to diagnostic protocols
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