If Sarah Has a Low Level of Serotonin in Her

question 27

Multiple Choice

If Sarah has a low level of serotonin in her system,will she show symptoms of depression?

• A) Yes, as long as the levels of other neurotransmitters are low as well.
• B) She will only if the levels are low compared to other neurotransmitters.
• C) No, low levels of serotonin are linked to mania, not depression.
• D) No, serotonin is not linked to depression.

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Definitions:

Lamina Propria

A layer of connective tissue located beneath the epithelium of mucous membranes.

Muscularis Mucosae

A thin layer of muscle found in the mucosal layer of the gastrointestinal tract wall, contributing to the local movement of the mucosa.

Adventitia

The outermost layer of a blood vessel or organ, composed mainly of connective tissue.

Protein Digestion

The process by which proteins are broken down into their amino acid components, beginning in the stomach and continuing in the small intestine.