Biological Clock Mechanisms — Flashcards

Biological Clock Mechanisms — Flashcards

Biological Clock Mechanisms — Flashcards
#1

Cortisol levels are highest just before _____ and lowest in the evening

#2

Sleep is divided into two stages, _____ and non-REM

#3

Which nucleus of the hypothalamus is responsible for the diurnal variation of ACTH levels?_____

#4

Circadian rhythm: The suprachiasmatic nucleus releases _____, which stimulates the pineal gland to secrete melatonin

#5

The _____ nucleus of the hypothalamus is responsible for our circadian rhythm, which regulates the sleep cycle

#6

Glucocorticoid (cortisol) secretion is _____ and diurnal (daily) in nature, oscillating with a circadian rhythm

#7

Pontogeniculo-occipital spikes are characteristic of _____ sleep

#8

Telogen phase of hair cycle lasts for about _____

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Biological Clock Mechanisms Flashcards | Chronobiology and Circadian Rhythms Study Cards - OnCourse