Evaluate the Numerical Expression $- 9 ^ { \frac { 1 } { 2 } }$

question 221

Short Answer

Evaluate the numerical expression. $- 9 ^ { \frac { 1 } { 2 } }$

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Definitions:

Gastrin

A hormone that stimulates the secretion of gastric acid by the stomach's parietal cells.

Somatotropin

Also known as growth hormone (GH), it is a peptide hormone that stimulates growth, cell reproduction, and cell regeneration in humans and other animals.

Hypersecretion

The excessive production and release of a substance by a gland.

Cortisol

A steroid hormone produced by the adrenal glands, often released in response to stress and a key component in regulating metabolism, immune response, and inflammation.