Question: Which factor would increase a patient's risk for venous thrombosis? Need Assignment Help? Select all that apply. One, some, or all responses may be correct. Correct Long airplane flight Extended periods of immobility such as a long airplane flight can cause venous stasis leading to venous thrombosis. Exposure to cold temperatures Cold temperatures can cause spasms in Raynaud's phenomenon. Incorrect Systemic lupus erythematosus (SLE) SLE is an autoimmune disorder that is related to the onset of Raynaud's phenomenon. Correct Oral contraception use The use of oral contraceptives can increase the risk of blood clotting formation. Correct Recent surgery Recent surgery leads to decreased mobility and can cause venous thrombi