What Type of Control Element Can Only Be on or Off

question 2

Multiple Choice

What type of control element can only be on or off?

• A) Discrete
• B) Modulated
• C) Valve control
• D) Continuous

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Definitions:

Metastatic Tumors

Tumors that have spread from their original site to other parts of the body, often complicating treatment and prognosis.

Gliomas

A type of tumor that occurs in the brain and spinal cord, arising from glial cells that support nerve cells.

Meningiomas

A type of tumor that occurs in the meninges, the membranes that surround the brain and spinal cord, often benign but can cause serious problems as they grow.

Ependymal Cells

Ependymal cells are a type of glial cell that lines the ventricles in the brain and the central canal of the spinal cord, involved in the production of cerebrospinal fluid.