The Structure That Functions as a Diaphragm to Control Pupil

question 82

Multiple Choice

The structure that functions as a diaphragm to control pupil size is the

• A)ora serrata.
• B)suspensory ligament.
• C)iris.
• D)cornea.
• E)anterior chamber.

---

Definitions:

Frequency Theory

A theory suggesting that the perception of pitch corresponds to the rate, or frequency, at which the entire basilar membrane vibrates.

Temporal Theory

A hypothesis in the study of perception, often relating to how sounds are perceived in terms of timing.

Retinal Disparity

The minor variation in what is seen by each eye, due to the differing perspectives from which each eye observes the environment.

Depth Perception

The ability to perceive the world in three dimensions and to judge the distance of objects accurately.