If a patient is exposed to carbon monoxide pulse oximetry is a reliable method to determine if there is carbon monoxide poisoning.

The normal pacemaker tissue of the heart is which one of the following?

Which one of the following is the same as inflammation?

When doing a local block for a front paw declaw what is the primary nerve is blocked on the dorsal surface?

Ventricular premature contractions can occur in any patient but they are more likely to occur in a patient undergoing surgery to correct a GDV.

Which statement most accurately describes this canine ECG? It is lead II and recorded at 25 mm/sec.  

Oscillometric blood pressure monitors most accurately measure which component of the arterial pressure?

Hot water blankets are completely safe and can never cause a burn.

This capnograph most likely indicates which one of the following?  

You have anesthetized a Norwich Terrier to remove a cutaneous tumor on the side of the neck. There was some hemorrhage (not enough to cause any systemic problems) so the vet elected to put on a pressure wrap to prevent hematoma formation. The dog has been doing fine in recovery and when she started to cough and raise her head you extubated her. About a minute later you notice her color is a little cyanotic and she is having difficulty breathing. What would you do first?