What Aspect of Circadian Rhythms Might Explain Why We Tend

question 100

Multiple Choice

What aspect of circadian rhythms might explain why we tend to feel so tired at night?

• A)Body temperature bottoms out on Monday mornings.
• B)The three biorhythm patterns converge at low points on Mondays.
• C)Heart rates typically increase at night.
• D)There is an organ in the brain sensitive to light changes,which then affects our sleepiness.

---

Definitions:

Fibula

A long, slender bone located on the lateral side of the tibia in the lower leg, playing a key role in stabilizing the ankle and supporting lower leg muscles.

Gastrocnemius

A major calf muscle that plays a key role in walking, jumping, and running by flexing the foot at the ankle and the leg at the knee.

Posterior Compartment Syndrome

A condition involving increased pressure within the posterior compartment of the leg that can compromise circulation and nerve function, often caused by injury.

Drumming Fingers

Repetitive tapping of the fingers against a surface, often unconsciously executed as an outlet for psychological energy or an expression of impatience or nervousness.