The Normal Human Microbiota Is Considered Part of the fiRst

question 68

Multiple Choice

The normal human microbiota is considered part of the first line of defense because ______.

• A) resident bacterial cells stimulate phagocytosis of pathogens
• B) microbiota cause an inflammatory response, eliminating pathogens
• C) pathogens and normal biota cannot exist in the same location
• D) microbial antagonism keeps potential pathogens in check

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Definitions:

Schizophrenia

A mental disorder characterized by abnormal behavior, strange speech, and a decreased ability to understand reality.

Fluoxetine (Prozac)

An antidepressant medication in the class of selective serotonin reuptake inhibitors (SSRIs), used to treat depression, OCD, and anxiety.

Serotonin

A neurotransmitter that plays a significant role in mood regulation, digestion, and sleep, among other bodily functions.

Dopamine

Dopamine is a neurotransmitter involved in many functions, including motivation, pleasure, cognition, memory, learning, and fine motor control.