False negative hydrostatic test in live fetus is for: (A) Atelectasis, (B) Aicial respiration, (C) Emphysema, (D) Putrefaction
Answer is A. False negative hydrostatic test can be seen in :- 1. Diseases e.g. : acute edema, pneumonia, Congenital syphilis. 2. Atelectasis False positive hydrostatic test can be seen in :- 1. Presence of putrified gases. 2. Aificial inflation.