Question: Which conditions increase the risk of developing a pulmonary embolism? Need Assignment Help? Correct! Smoking Pregnancy, smoking, immobility, and surgery all increase the risk for developing a pulmonary embolism. Correct! Immobility Pregnancy, smoking, immobility, and surgery all increase the risk for developing a pulmonary embolism. Correct! Pregnancy Pregnancy, smoking, immobility, and surgery all increase the risk for developing a pulmonary embolism. Correct! Surgery Pregnancy, smoking, immobility, and surgery all increase the risk for developing a pulmonary embolism.