WorksheetsBiological Rhythms
Total questions: 11
Worksheet time: 6mins
What is an ultradian rhythm?
Biological rhythm which lasts around 24 hrs e.g. sleep/wake cycle
Biological rhythm which is under 24 hrs e.g. stages of sleep
Biological rhythm which lasts longer than 24 hrs e.g. menstrual cycle and SAD
What is an circadian rhythm?
Biological rhythm which lasts around 24 hrs e.g. sleep/wake cycle
Biological rhythm which is under 24 hrs e.g. stages of sleep
Biological rhythm which lasts longer than 24 hrs e.g. menstrual cycle and SAD
What is an infradian rhythm?
Biological rhythm which lasts around 24 hrs e.g. sleep/wake cycle
Biological rhythm which is under 24 hrs e.g. stages of sleep
Biological rhythm which lasts longer than 24 hrs e.g. menstrual cycle and SAD
2 answers which link with the term endogenous pacemaker?
Internal body clock which regulates biological rhythms
External cues that may affect our biological rhythms
Suprachiasmatic nucleus - influences the sleep/wake cycle
The influence of light on the sleep/wake cycle
2 answers which link with the term exogenous zeitgebers ?
Internal body clock which regulates biological rhythms
External cues that may affect our biological rhythms
Suprachiasmatic nucleus - influences the sleep/wake cycle
The influence of light on the sleep/wake cycle
Ralph studied which mutant animal to show that the suprachiasmatic nucleus is the endogenous pacemaker responsible for the sleep/wake cycle.
Cats
Dogs
Rats
Hamsters
The correct term for when biological rhythms are matched to environmental triggers e.g. sleep wake cycle and light
Entertainment
Endogenous pacemaker
Exogenous zetgerbers
Entrainment
How many stages of sleep (ultradian biological rhythm) are there?
1 plus REM
2 plus REM
3 plus REM
4 plus REM
According to Dement & Kleitman what is REM connected with?
Deep sleep
Light sleep
Dreaming
Endogenous control of menstrual cycle?
Suprachiasmatic nucleus
Hormones
Neurons
Chemicals given off by other women
Seasonal affective disorder (SAD) is influenced by what exogenous zeitgeber?
Light
Pheremones
Suprachiasmatic nucleus
