Loading....
Coupon Accepted Successfully!

Physiology

Open Flashcards

Vision

Question
6 out of 11
 

The rod receptor potential differs from other sensory receptors in that it shows



A Depolarization

B Decreased negativity

C Increased conductance of Sodium

D Hyperpolarization

Ans. D Hyperpolarization

Sequence of events involved in photo transduction in RODs,and CONES:

Incident light

Structural change in the Retinene 1 of photo pigment

Conformational change of photo pigment

Activation of transduction

Activation of phosphodiesterase

Decreased intracellular cGMP

Closure of Na+ channels

HYPER POLARIZATION

Decreased release of synaptic transmitter

Response in bipolar cells and other neural elements

Vision Flashcard List

11 flashcards
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)