16F circumference of a catheter means: (A) 4.8 mm, (B) 2.8 mm, (C) 8.4 mm, (D) 8.2 mm
Answer is A. Ans. a (4.8 mm). (Ref. B & L, Surgery, 23rd ed., 1262)3.12 SF = 1mm, hence a 16F Circumference of catheter means (r)