Final answer:
Reflexes are a component of both the C.R.I.E.S. pain assessment tool and the Apgar score. The Apgar score includes reflexes as part of its criteria to assess a newborn's transition from the womb.
Step-by-step explanation:
The component of the C.R.I.E.S. pain assessment tool that pertains to the question is reflexes. It is important to note that the information provided regarding the scoring of criteria such as skin color, heart rate, reflex, muscle tone, and respiration refers to the Apgar score, which is a different assessment tool. The Apgar score is a standard, quick assessment given to an infant immediately after birth to evaluate its transition from the womb to the outside world, while the C.R.I.E.S. is specifically focused on pain assessment in preterm infants. Still, the reflex criterion is applicable to both the Apgar and C.R.I.E.S. pain assessment tool.
The method for determining an Apgar score includes the mnemonic APGAR, which stands for 'Appearance' (skin color), 'Pulse' (heart rate), 'Grimace' (reflex), 'Activity' (muscle tone), and 'Respiration'.