<prompt> Which of the following conditions must be fulfilled for a PHC to become a first referral unit ?4-6 beds15 workersEmergency obsteric careBasic laboratory services  <response>: Ans. is c i.e., Emergency obsteric care Critical determinants of a first feferral unit24-hour delivery services including normal and assisted deliveriesEmergency obstetric care including surgical interventions like caesarean sections and other medical interventions, New-born care, Emergency care of sick children, Full range of family planning services including laproscopic services, Safe aboion services, Treatment of STI I, Blood storage facility, Essential laboratory services, Referral transpo services. 