W Hich of the Following Describes a Secreted Signaling Molecule

question 6

Multiple Choice

W hich of the following describes a secreted signaling molecule that affects the cell that secretes it?

• A) Autocrine
• B) Paracrine
• C) Endocrine
• D) Neurocrine
• E) Exocrine

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Definitions:

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another 'target' neuron, muscle cell, or gland cell.

Nerve Cells

Cells of the nervous system that transmit information to other nerve cells, muscle, or gland cells.

Synapses

The junctions through which neurons signal to each other or to non-neuronal cells, allowing the transmission of electrical or chemical messages.

Sedative Hypnotic Abuse

The misuse of drugs that depress the central nervous system, leading to dependency and adverse health effects.