The Gut-Brain Axis Refers to

question 3

Multiple Choice

The gut-brain axis refers to

• A)changes in brain chemistry and behavior caused by the gut microbiota.
• B)neurons in the spinal cord that connect the gut and the brain.
• C)the location of dormant viruses that infect both the gut and the brain.
• D)pores in the blood-brain barrier that permit the passage of glucose and other nutrients.

---

Definitions:

Dissipation

Loss of energy, especially the conversion of electrical energy into heat in a circuit due to resistance.

Voltage Divider

A circuit that generally is constructed by connecting resistors in series to produce desired voltage drops across the resistors.

Voltages

The electrical potential difference between two points in a circuit, measured in volts (V), driving current flow through the circuit.

Total Resistance

The overall resistance in an electrical circuit, calculated differently for series and parallel circuits.