Which of the following is TRUE? 1. Square (Reef) Knot 2. Surgeons Knot 3. Granny (Pseudo-square) Knot 4. Reverse cutting needle 5. Veical Mattress 6. Purse String Suture A B C D E F

Square (Reef) Knot Surgeons knot Granny (Pseudo-square) knot - Consist of two throws - Crossing is done in each throw - Secured knot - Consist of two throws - Two wraps in first throw - Crossing occurs in each throw - Consists of two throws - Crossing does not occur in any throw - Not a secured knot Horizontal Mattress Veical Mattress - Initial suture is inseed as for a interrupted suture but then needle moves horizontally & traverses both edges of the wound once again. - Initial suture is inseed as for an interrupted suture but then needle moves veically & transverses both edges of wound once again. Horizontal Mattress: Suture parallel to line of incision. Veical Mattress: Suture perpendicular to line of incision. Purse string suture - Continuous stitch parallel to a circular wound is applied. - Used for hernia sac & appendectomy