What is the most crucial factor for limb salvage after extremity vascular injury?, Gender, Time, Nutrition, Age, Within how many hours should perfusion ideally be restored after arterial injury?, 12–24 hours, 1–2 hours, 6–8 hours, 48 hours, Which is a main etiology of arterial injury?, Penetrating trauma, Skin allergy, Asthma attack, Peptic ulcer, Which type of arterial tear usually presents with bleeding?, Arterial spasm, Thrombosis only, Complete tear, Partial tear, What may develop from contained arterial bleeding in tissues?, Pseudoaneurysm, Lymphoma, Varicose vein, Cellulitis, Which is a hard sign of arterial injury?, Mild bruising, Loss of pulses, Local itching, Small hematoma, What is indicated in patients with hard signs of arterial injury?, Delayed discharge, Elective biopsy, Immediate exploration, Routine observation, What is the most effective immediate method to control external arterial bleeding?, Tourniquet first, Blind clamping, Massage, Direct compression, How are longitudinal arterial tears definitively repaired?, Simple ligation, No repair, Drug therapy, Vein patch, Which drug is locally applied for arterial spasm?, Insulin, Papaverine, Warfarin, Atropine

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