A Scientific Theory Is

question 63

Multiple Choice

A scientific theory is

• A) a hypothesis that has been rigorously tested and never been disproven.
• B) a hypothesis that has been rigorously tested and only been disproven a few times.
• C) a hypothesis that has been tested at least five times.
• D) an opinion.
• E) an idea based on a person's experience or knowledge.

---

Definitions:

Oversecretion

The production and release of a substance, such as a hormone or enzyme, in greater amounts than normal or necessary, often leading to various physiological imbalances or conditions.

Thirst Regulation

The physiological mechanisms controlling the desire to drink fluids, largely governed by hypothalamic activity.

Osmoreceptors

Specialized sensory receptors that detect changes in the osmotic pressure of body fluids and help regulate fluid balance.

Juxtaglomerular Apparatus

Complex consisting of juxtaglomerular cells of the afferent arteriole and macular densa cells of the distal convoluted tubule near the renal corpuscle; secretes renin.