MCARDLE's maximum allowable sweat rate for 4 hours is: (A) 3.5 ltr, (B) 21 ltrs, (C) 2.5ltrs, (D) 4.5 ltrs
Answer is D. Mc Ardle's maximum allowable sweat rate:4.5 litre/ 4 hours. Predicted 4 hr sweat rate (P4SR) in comfo zone is 1-3 L Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 792