The First Step in the Process of Photoreception Is

question 157

Multiple Choice

The first step in the process of photoreception is

• A) the bleaching of rods.
• B) the bleaching of cones.
• C) absorption of a photon by a visual pigment.
• D) inhibition of the sodium pumps.
• E) release of neurotransmitter.

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Definitions:

Ventricular Fibrillation

A life-threatening heart rhythm that results in a rapid, erratic heartbeat that prevents the heart from pumping blood effectively.

Cardiac Disease

A broad term for diseases affecting the heart, such as coronary artery disease, heart rhythm problems, and heart defects.

Lung Disease

A broad category of disorders, illnesses, and conditions affecting the lungs and respiratory function, such as asthma, pneumonia, and COPD.

Liver Disease

A broad category of diseases and disorders that affect the function and health of the liver, such as hepatitis, cirrhosis, and liver cancer.