Biological Rhythms
Psychology ⇒ Biological Bases of Behavior
Biological Rhythms starts at 10 and continues till grade 12.
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See sample questions for grade 11
A person who works night shifts may experience difficulty sleeping during the day. Explain why this happens in terms of biological rhythms.
Describe how jet lag affects biological rhythms when traveling across time zones.
Describe how social cues can act as zeitgebers for biological rhythms.
Describe one effect of shift work on biological rhythms.
Describe the difference between endogenous and exogenous biological rhythms.
Describe the role of melatonin in the regulation of sleep.
Explain how light acts as a zeitgeber for biological rhythms.
A student travels from London to Tokyo and experiences difficulty sleeping at night and staying awake during the day. What is the most likely cause of these symptoms? (1) Sleep apnea (2) Jet lag (3) Insomnia (4) Narcolepsy
A student travels from London to Tokyo and experiences difficulty sleeping at night and staying awake during the day. What is the most likely cause of these symptoms? (1) Sleep apnea (2) Jet lag (3) Insomnia (4) Narcolepsy
What is the term for biological cycles that occur approximately every 24 hours? (1) Ultradian rhythms (2) Circadian rhythms (3) Infradian rhythms (4) Annual rhythms
Which gland is primarily responsible for the secretion of melatonin? (1) Pituitary gland (2) Pineal gland (3) Thyroid gland (4) Adrenal gland
Which of the following best describes a free-running rhythm? (1) A rhythm synchronized by external cues (2) A rhythm that persists without external cues (3) A rhythm that occurs only during sleep (4) A rhythm that is random
Fill in the blank: The body's internal clock that regulates circadian rhythms is called the ________.
Fill in the blank: The main environmental cue that resets the circadian clock is ________.
Fill in the blank: The process by which biological rhythms are synchronized with external cues is called ________.
Fill in the blank: The process of resetting the biological clock with external cues is called ________.
True or False: Biological rhythms are only found in humans.
True or False: Infradian rhythms occur more than once a day.
True or False: The menstrual cycle is controlled solely by external environmental factors.
True or False: The sleep cycle repeats several times during a typical night.
