Which is the best indicator that your needle is in the epidural space?

A 54-year-old patient enters the emergency department with mild chest pain and shortness of breath. Oxygen is started at 3 L/min per nasal cannula. The ABGs drawn 30 minutes later are as follows: pH 7.36 PaCO2 44 mm Hg PaO2 62 mm Hg HCO3 24 mEq/L BE 0 mEq/L The respiratory therapist should recommend which of the following?

The respiratory therapist is having difficulty suctioning secretions from an adult patient’s tracheostomy tube. The suction pressure is set at -80 mm Hg. Which of the following is the most appropriate action?

Which pathology occurs when there is an arterial bleed between the skull and the dura mater?

Most cholesterol is made by the liver during what time? 

Which of the following represents the normal value for sodium?

Which is the primary benefit of adding sodium bicarbonate to a local anesthetic?

Damage to this structure by a local anesthetic can cause which complication?

Tuffier’s line intersects which vertebral interspace?

When assessing a spinal placement, a patient does not feel touch, but they are still able to move their legs. Which nerve fiber was just blocked?