The notification issued by the medical division said the test would be carried out in the cabin crew briefing rooms by flight surgeon/medical officer or the ground staff
The move announced on Wednesday follows revelations that nearly one-third of Pakistan's pilots cheated on exams but still received licenses from the country's civil-aviation authority.
Pakistan's aviation minister revealed that nearly a third of Pakistani pilots had cheated on their pilot's exams.
Pakistan has set up a four-member board of inquiry to know the cause of the crash.
Cash-strapped PIA has been running into huge financial losses
Federal Minister for Aviation Ghulam Sarwar Khan said that the CAA suffered a loss of Rs 8.5 billion because of the airspace restrictions
Pakistan International Airlines operates two flights in a week between Karachi and Mumbai
The Pakistan International Airlines (PIA) flight crashed into a hillside after one of its two turboprop engines failed
The flight initially left from Peshawar for Chitral and was returning to Islamabad from there before it went off the radar