According to the information presented in the text, which of the following statements is TRUE?
A) Although nonhuman animals have numerous daily and seasonal circadian rhythms, humans only have circadian rhythms for the sleep-wake cycle and mental alertness.
B) Under normal conditions, each of our circadian rhythms operates on a set schedule that does not vary over the course of each day.
C) There are over 100 bodily processes that systematically vary over the course of each day.
D) Exposure to environmental time cues is not necessary for people to stay entrained to a precise 24-hour schedule of circadian rhythms.

Question

Quizplus · Accepted Answer

The text states that there are "over 100 bodily processes that operate on a 24-hour schedule" and "numerous daily and seasonal circadian rhythms" in nonhuman animals, but it does not say that humans only have circadian rhythms for sleep-wake cycle and mental alertness (A is false), each of our circadian rhythms can vary over the course of each day (B is false), or that exposure to environmental time cues is unnecessary for entrainment (D is false).

According to the Information Presented in the Text, Which of the Following