The Extracellular Fluid Contains High Concentration of ________

question 83

Multiple Choice

The extracellular fluid contains high concentration of ________.

• A) potassium ions
• B) dissolved and suspended proteins
• C) amino acids
• D) sodium ions
• E) lipids

---

Definitions:

Norepinephrine

A neurotransmitter and hormone important in the body's response to stress, affecting attention, heart rate, and other physiological functions.

Histamine

An organic nitrogenous compound involved in local immune responses, as well as regulating physiological functions in the gut and acting as a neurotransmitter.

Threat Simulation Theory

A theory suggesting that dreaming serves an evolutionary purpose of practicing how to behave in potentially dangerous situations.

Dreaming Functions

The proposed purposes or roles that dreams serve, potentially including processing emotions or enhancing problem-solving.