A Microelectrode Is Recording the Activity from a Single Cell

question 65

Multiple Choice

A microelectrode is recording the activity from a single cell in the visual cortex of a cat. The cell begins to fire rapidly when a vertical line sweeps across the visual field to the left, but stops firing when the same line sweeps back across the visual field to the right. In this case, the microelectrode is most likely monitoring activity from

• A) a hypercomplex cell.
• B) a complex cell.
• C) a simple cell.
• D) a cell in the parvocellular channel.

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Definitions:

Insulin

A substance secreted by the pancreas that controls blood sugar levels by assisting the absorption of glucose by cells.

ADH

Antidiuretic Hormone, also known as vasopressin, a hormone produced by the pituitary gland that regulates the body's retention of water by increasing the concentration of the urine.

Testosterone

A steroid hormone produced mainly in the testes, responsible for the development of male secondary sexual characteristics.

Spermatogenesis

The process by which sperm cells are produced and developed, typically in the seminiferous tubules of the testes.