GATE 2026 AR — Architecture – Question 37
The operation-theatre circulation diagram marks spaces P, Q, R, S from a common corridor. Which combinations correctly identify them?

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Correct answer: (B) P dress change; Q pre-operative; R dirty utility; (D) P dress change; R dirty utility; S post-operative
Explanation
Staff enter via dress change P; patients arrive through pre-operative space Q. Contaminated material leaves to dirty utility R, while operated patients move to post-operative space S. Thus B and D correctly describe the paths. The separate flows help preserve the clean surgical zone.