A ________ pacemaker is one where a lead wire is inserted through the skin and threaded into a large vein leading into the right side of the heart.

Describe the field of anesthesia for the infraorbital (IO) nerve block

What will be an ideal response?

The two major causes of dead space ventilation are: 1. a decreased tidal volume. 2. dysoxia. 3. impaired CO2 removal. 4. increased physiologic dead space

a. 1 and 2 only b. 1 and 3 only c. 1 and 4 only d. 1, 2, and 3 only