You are preparing to perform a pelvic exam on a 29-year-old female presenting for an annual well woman visit. Which of the following demonstrates the correct technique when inserting the speculum? lubricate the speculum with petroleum jelly for easier insertion ask the patient to hold her breath to reduce pelvic floor resistance insert the speculum with the blades open to visualize the vaginal walls angle the speculum posteriorly and insert it closed, applying downward pressure