The components of the APGAR scoring system include which of the following?

The APGAR scoring system is specifically designed to assess the health of newborns immediately after birth. It consists of five criteria that collectively provide a quick evaluation of a newborn's physiological state: heart rate, respiratory effort, muscle tone, reflex response, and skin color.

The correct answer reflects this structure by emphasizing the combination of heart rate, activity (which encompasses muscle tone), and respirations. It is important to note that the APGAR score is measured at one and five minutes after birth, with each of the five criteria scored from 0 to 2, allowing for a maximum score of 10. This method helps determine if a newborn requires immediate medical attention.

While the other options include components that are part of the APGAR evaluation, they do not present the correct comprehensive combination of criteria as distinctly as the selected choice does, overlooking key elements necessary for a complete understanding of the APGAR system.