CPR Has Been Initiated on an Adult Patient $1 \frac { 1 } { 2 }$

CPR has been initiated on an adult patient. How will the nurse confirm the effectiveness of CPR?

A) Assessing an EKG pattern with each compression
B) Assessing a palpable carotid pulse during each compression
C) Assuring a compression depth of $1 \frac { 1 } { 2 }$ to 2 inches
D) Observing pupils that change from pinpoint to dilated