Which of the Following Illustrates a Positive Interaction Between Human

question 29

Multiple Choice

Which of the following illustrates a positive interaction between human microbiota and the immune system?

• A) down-regulation of cytokines within the colon
• B) production of short-chain acids within the colon
• C) conversion of hydrogen gas and carbon dioxide into methane
• D) secretion of acids that decrease pH within the colon

---

Definitions:

Leipzig, Germany

A city in the federal state of Saxony, Germany, known for its rich cultural heritage, including music, art, and its role in the history of philosophy and psychology.

Phrenology

A now-discredited theory that suggested the shape and size of the human skull could determine personality traits and mental abilities.

Pseudoscience

Claims, beliefs, or practices presented as scientific but lacking empirical evidence or scientific method.

Hippocrates

An ancient Greek physician often referred to as the "Father of Medicine," known for his contributions to the understanding of disease and the Hippocratic Oath.