Neurotransmitter Substance

question 34

Multiple Choice

Neurotransmitter substance

• A) leaves the presynaptic neuron, activates ion channels, and enters the postsynaptic neuron.
• B) leaves the presynaptic neuron, activates ion channels, and then is reabsorbed into the presynaptic neuron.
• C) leaves the presynaptic neuron, activates ion channels, and then is absorbed into the lymphatic system.
• D) leaves the postsynaptic neuron, activates ion channels, and then is absorbed into the presynaptic neuron.

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Definitions:

Communicable Disease

A disease that can be transmitted from one person to another, either directly or through vectors.

Meningitis

An inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges, which can be caused by infection or other factors.

Colitis

Inflammation of the inner lining of the colon, leading to symptoms like abdominal pain and diarrhea.

Specified Pathogen

A particular microorganism or virus identified as causing disease or infection.