The Figure Below Depicts a Human Eye

question 21

Multiple Choice

The figure below depicts a human eye.
When focusing on an object that is far away, the structure indicated by the arrow in the figure above

• A) becomes flatter.
• B) becomes more spherical.
• C) does not change.
• D) decreases in diameter.

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Definitions:

Millivolts

A unit of electric potential or electromotive force equal to one thousandth of a volt.

Inhibitory Postsynaptic Potential

A kind of synaptic potential that makes a postsynaptic neuron less likely to generate an action potential.

Potassium Ions

Charged particles of potassium that play crucial roles in physiological processes, including nerve transmission and muscle contraction.

Action Potential

A rapid electrical signal that travels along the neuron's axon, facilitating communication between neurons.