The first step in the visual transduction process that occurs in the retina is

a) activation of amacrine cells.
b) absorption of scattered light by the pigmented epithelium.
c) interruption of the dark current.
d) absorption of light by photopigments.
e) generation of action potentials in the optic nerve.


d

Anatomy & Physiology

You might also like to view...

Which of the following could NOT be antigenic by themselves?

A) protein B) polysaccharides C) haptens D) glycolipids

Anatomy & Physiology

Water can diffuse through a cell membrane

Indicate whether the statement is true or false

Anatomy & Physiology

Which of the following factors will not influence the rate at which a meal will empty from the stomach?

a. fat in the duodenum b. acid in the duodenum c. caffeine in the duodenum d. hypertonicity of the duodenal contents e. distention of the duodenum

Anatomy & Physiology

In which of the following would you detect a weak pulse?

A. Fluid excess B. Increased stroke volume C. A healthy young person D. Hemorrhagic shock E. Hypertension

Anatomy & Physiology