Differences in temperament appear in physiological differences.Anxious,inhibited infants have
A) high and variable heart rates.
B) a reactive nervous system.
C) high and variable heart rates and a reactive nervous system.
D) neither high and variable heart rates nor a reactive nervous system.

Question

Quizplus · Accepted Answer

Anxious, inhibited infants typically have both high and variable heart rates and a reactive nervous system. This is due to their tendency to respond strongly to new or unfamiliar situations, which can trigger the fight-or-flight response and result in increased heart rate and physiological arousal.

Differences in Temperament Appear in Physiological Differences