Final answer:
In the evaluation of Block A, if a baby is not breathing or has a heart rate below 7, proceed immediately to Block B (LEFT side). If the baby's respirations appear labored or the baby appears persistently cyanotic, proceed to Block B (RIGHT side).
Step-by-step explanation:
In the evaluation of Block A, if a baby is not breathing (has apnea or is asphyxiated) or has a heart rate below 7, it is important to proceed immediately to Block B (LEFT side). If the baby's respirations appear labored or the baby appears persistently cyanotic, it is also necessary to proceed to Block B (RIGHT side).