Circadian Rhythm practice quiz

📚 Topic Summary

Circadian rhythms are the body's natural, internal processes that regulate the sleep-wake cycle and repeat roughly every 24 hours. These rhythms are influenced by external cues like sunlight and temperature. Disruptions to your circadian rhythm can lead to various health issues, including sleep disorders, mood changes, and metabolic problems. Maintaining a healthy circadian rhythm is crucial for overall well-being.

🧠 Part A: Vocabulary

Match the following terms with their correct definitions:

1. Term: Melatonin
2. Term: Zeitgeber
3. Term: Suprachiasmatic Nucleus (SCN)
4. Term: Cortisol
5. Term: Homeostasis

1. Definition: A hormone associated with stress.
2. Definition: The brain's central biological clock.
3. Definition: Environmental cue that resets the circadian rhythm.
4. Definition: Hormone that promotes sleep.
5. Definition: The maintenance of a stable internal environment.

📝 Part B: Fill in the Blanks

Complete the following paragraph using the words provided: light, sleep, 24, rhythms, wake.

Circadian _________ are roughly _________ hour cycles in the physiological processes of plants, animals, and fungi. A key factor influencing these rhythms is _________ exposure, which helps regulate the _________ - _________ cycle.

💡 Part C: Critical Thinking

How might working night shifts regularly affect someone's circadian rhythm, and what are some strategies they could use to mitigate these effects?