After damage to the suprachiasmatic nucleus, the body ____.
A) cannot generate biological rhythms
B) still has rhythms in synchrony with environmental patterns of light and dark
C) still has rhythms, but they are less consistent
D) still has rhythms, but they can only be reset by artificial light

Question

Quizplus · Accepted Answer

The suprachiasmatic nucleus (SCN) is responsible for regulating circadian rhythms in response to light-dark cycles. Damage to the SCN disrupts the synchronization of these rhythms to environmental cues, leading to rhythms that still exist but are less consistent and not properly aligned with the external day-night cycle.

After Damage to the Suprachiasmatic Nucleus, the Body ____