When We Enter a Dark Room, the Retinal and Opsin

question 47

Multiple Choice

When we enter a dark room, the retinal and opsin molecules within the must first before low light levels can be detected.

• A)rods : dissociate
• B)rods : bleach
• C)cones : associate
• D)rods : associate
• E)cones : dissociate

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Definitions:

Tourniquet

A tourniquet is a device used to apply pressure to a limb or extremity to restrict blood flow, often in medical emergencies to control bleeding.

Centrifuge

A machine for the separation of heavier materials from lighter ones through the use of centrifugal force.

Capillary Puncture

A method of obtaining blood samples involving a prick, typically on the fingertip or heel, to access capillary beds for diagnostic testing.

Finger Stick

A simple procedure used to obtain a small blood sample by pricking the finger.