What Would Happen If You Blocked Phosphodiesterase (PDE) and Then

question 12

Multiple Choice

What would happen if you blocked phosphodiesterase (PDE) and then stimulated the photoreceptor with light?

• A) The cell would depolarize.
• B) The cell would hyperpolarize.
• C) There would be no change in the voltage across the membrane.

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Definitions:

Gyri

The ridges or convolutions that make up the surface of the brain, increasing its surface area and allowing for greater cognitive processing power.

Sulci

Grooves or furrows on the surface of the brain, which along with gyri (ridges), increase the surface area of the cerebral cortex.

Prenatal Development

The progression of maturation and advancement inside the uterus from the point of conception until delivery.

Cognitive Behavior

A psychological concept that refers to thoughts, beliefs, and attitudes influencing how people perceive and react to the world around them.