What does ALARA stand for in radiation protection?

What does ALARA stand for in radiation protection?

• A. As Low As Reasonably Achievable
• B. As Large As Resources Allow
• C. As Low As Realizable Amount
• D. All Levels Are Regulated Area

Answer: (A)

The main idea tested here is ALARA: keep radiation exposure as Low As Reasonably Achievable. In practice this means actively reducing dose through practical, justifiable measures, balancing the benefit of added protection against cost, effort, and feasibility. It involves using the hierarchy of controls—engineering controls like shielding, administrative controls such as safe work procedures and training, and appropriate PPE—and continually reassessing whether further reductions are justified. This optimization mindset accepts that zero exposure isn’t always attainable or reasonable, but every reasonable step should be taken to lower dose. The other options don’t match this protective approach. They imply increasing exposure with more resources, or reference terms that aren’t part of the established protection philosophy.

The main idea tested here is ALARA: keep radiation exposure as Low As Reasonably Achievable. In practice this means actively reducing dose through practical, justifiable measures, balancing the benefit of added protection against cost, effort, and feasibility. It involves using the hierarchy of controls—engineering controls like shielding, administrative controls such as safe work procedures and training, and appropriate PPE—and continually reassessing whether further reductions are justified. This optimization mindset accepts that zero exposure isn’t always attainable or reasonable, but every reasonable step should be taken to lower dose.

The other options don’t match this protective approach. They imply increasing exposure with more resources, or reference terms that aren’t part of the established protection philosophy.