Physician Assistant Practice Test VI Sample Physician Assistant National Certifying Exam (PANCE) Progress Indicator: Question 2 of 20 2.  Which is not a guideline for ensuring a proper fit of a cervical collar? Choices: Check to see it does not ride too far above or below the earlobes Confirm the chin fits properly Consider using a different size if it does not fit properly Use the "two fingers" spacing method to avoid excessive tightness