DIAGNOSTIC RADIOGRAPHY L6 QZ12

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The main purpose of collimation during radiography is to: Context: quality-assurance review. [Diagnostic Radiography . Practice Set 12, Case 114]

A Eliminate the need for positioning B Restrict the X-ray beam to the area of clinical interest C Increase patient dose unnecessarily D Replace exposure selection E Increase scatter radiation

ALARA in radiation protection means exposures should be: Context: district hospital. [Diagnostic Radiography . Practice Set 12, Case 149]

A Adjusted only after exposure B As long as radiography allows C Always at the maximum output D Avoided even when clinically justified E As low as reasonably achievable

A lateral cervical spine trauma image should be assessed for: Context: community service. [Diagnostic Radiography . Practice Set 12, Case 145]

A Only wrist joint B Only skull base C Only pelvis D Adequate visualization and alignment of the cervical vertebrae E Only lung fields

Digital radiography exposure-index review is useful for: Context: teaching hospital. [Diagnostic Radiography . Practice Set 12, Case 111]

A Determining blood group B Replacing image evaluation C Sterilizing equipment D Monitoring detector exposure and supporting dose optimization E Diagnosing every condition automatically

Before administering iodinated contrast, an important safety assessment includes: Context: regional referral hospital. [Diagnostic Radiography . Practice Set 12, Case 54]

A Hand dominance B Hair colour C Relevant allergy history and renal-risk assessment D Shoe size E Marital status

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