The Distance from the Root to the Crest of the Thread

question 6

Multiple Choice

The distance from the root to the crest of the thread is:

• A)Major diameter
• B)Minor diameter
• C)Thread depth
• D)Pitch

---

Definitions:

Hypothalamus

A region of the brain responsible for hormone production and regulation of vital bodily functions, including temperature, hunger, and thirst.

Oxytocin

A hormone released by the pituitary gland that causes increased contraction of the uterus during labor and stimulates the ejection of milk into the ducts of the breasts.

Calcitonin

A hormone produced by the thyroid gland that helps regulate blood calcium levels by lowering them when they are high.

Calcium Ion Concentration

The level of calcium ions (Ca2+) in a particular system, important for various cellular processes including signal transduction and muscle contraction.