Both RBRVS units and DRG relative weights change by geographic location

When doing a posterior lead placement, the lead that goes in the midscapular line 5th intercostal space is:

A) V7 B) V8 C) V9 D) V10

For a patient with a possible bowel obstruction or infarction, when would you administer oxygen?

A) If the SpO2 indicates hypoxia B) If the patient is dehydrated C) If no sign of shock is present D) If respirations are full