PHSI3011 08-2 Physiology of Circadian Rhythms

Michael Jardine
Quiz by Michael Jardine, updated more than 1 year ago
Michael Jardine
Created by Michael Jardine almost 4 years ago
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PHSI3011 08-2 Physiology of Circadian Rhythms

Resource summary

Question 1

Question
Where is the SupraChiasmal Nucleus (SCN)?
Answer
  • Hypothalamus
  • Hippocampus
  • Pons
  • Brainstem
  • EVERYWHERE!!

Question 2

Question
Which of the following fluctuate as a result of circadian rhythms?
Answer
  • Blood Pressure
  • Cell regeneration
  • Eating
  • Sleep
  • Hormones
  • Tides

Question 3

Question
Zeitgeber (time givers) are any stimuli that reset the circadian rhythm. In mammals, light is the main one, but which of the following are also included (to lesser extents) :
Answer
  • Exercise
  • Noise
  • Meals
  • Temperature
  • Gravity
  • Tides

Question 4

Question
What is the “natural” period of a biological rhythm free-running in constant conditions (in humans = ~24.18h)
Answer
  • Tau
  • Tor
  • Tow

Question 5

Question
Where is melatonin secreted from?
Answer
  • Pineal gland
  • ParaThyroid Gland
  • Hypothalamus
  • SCN

Question 6

Question
Label each.
Answer
  • Sympathetic
  • Parasympathetic

Question 7

Question
Melatonin correlates [blank_start]__________[blank_end] with body temperature.
Answer
  • Inversely
  • Directly

Question 8

Question
Which does what where?
Answer
  • Ghrelin
  • Leptin
  • Adrenaline
  • Insulin and/or Glucagon
  • Melatonin

Question 9

Question
Where do the following effects of Cortisol take place?
Answer
  • Immune System
  • Liver
  • Muscle
  • Adipose tissue
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