GreenStep Study Matrix 3: Biology of Eyes & Circadian Rhythm

Question 1

Rods - Facilitate ____ vision and vision in ___ lighting conditions with peak sensitivity to ___ light which is associated with a wavelength of ____.

Answer 1

Peripheral
Dim
Green-Blue
498 nm

Question 2

Cones - Facilitate ___ vision and ___. They are located on the ___ and have a peak sensitivity to ___ light which is associated with a wavelength of ___.

Answer 2

Daylight
Color perception
Retina
Green-Yellow
555 nm

Question 3

ipRGCs - Are the eyes’ ___and are critical to ___ and demonstrate peak sensitivity to ___ light has a wavelength of ___.

Answer 3

Non-image photoreceptors
Circadian rhythm
Teal-Blue
480 nm

Question 4

Suprachiasmatic Nucleus - The main ___ that acts as ___.

Answer 4

Body clock

An oscillator to synchronize clocks in peripheral tissues and organs

Question 5

Zeitgerbers - External cues that align physiological functions to the ___ cycle. ___ is the most important zeitgerber, keeping the body’s ___ synchronized in a process known as ____.

Answer 5

Solar day
Clocks
Circadian Photoentrainment