Circadian Rhythm Generation — MCQs

The parvocellular pathway from lateral geniculate nucleus to visual cortex is most sensitive for the stimulus of

Berger waves (alpha waves) of EEG have a rhythm of how many Hz?

What is the primary function of the paraventricular and supraoptic nuclei?

Which of the following statements best describes the mechanism of action of insulin on target cells?

Melatonin is secreted by

Which substance is most likely to increase in the rods of the retina when the light is turned on?

Diurnal variation of ACTH depends on ?

The human body has rhythmic fluctuations in its function on a circadian cycle. Circadian rhythm is controlled by:

In which of the following conditions would the cortisol level be highest?

Identify the structure marked by a red arrow in the image.