Florida State Paramedic Practice Exam

In the APGAR scoring system, what aspect is measured by the "reflex irritability" parameter?

1. Muscle contractions

2. Response to stimuli

3. Skin response

4. Breathing pattern

The correct answer is: Response to stimuli

Reflex irritability in the APGAR scoring system specifically measures the newborn's response to stimuli, which evaluates how well the infant reacts to external stimuli, such as a gentle pinch or suctioning of the nose or mouth. This aspect is crucial because it provides insight into the neonate’s neurological function and overall vitality at birth. A higher score in reflex irritability indicates a more responsive and healthier newborn, reflecting their ability to react to the environment, which is important for their development and survival. The other parameters do not specifically encompass this measurement. Muscle contractions pertain more to muscle tone rather than reaction to stimuli. Skin response and breathing pattern are separate measures that evaluate circulation and respiratory status, respectively, and do not directly assess how the infant responds to stimuli like reflex irritability does.