The tensile strength of the wound starts and increases after: (A) Immediately after suturing, (B) 3 to 4 days, (C) 7-10 days, (D) 6 months
Answer is B. Wounds do not begin to gain tensile strength from collagen until 5 - 7 days.
Wound achieves around  20 % by 3 weeks,  and around 60 % by four months.
Scar tissue continues to remodel for at least 6 - 12 months after an injury.