What are the steps involved in positioning a patient for panoramic imaging? List in sequential order.

4. Position the head so that the midsagittal plane is perpendicular to the floor.

3. Position the head so that the Frankfort plane is parallel to the floor.

5. Advise the patient to position the tongue on the roof of the mouth.

1.Advise the patient to sit or stand erect with the back straight.

2.Advise the patient to bite into the grooves on the bite-block and wrap the upper and lower lips around it.

All of the above