Which Term Refers to the Shaft of a Long Bone

question 129

Multiple Choice

Which term refers to the shaft of a long bone?

• A) epiphysis
• B) periosteum
• C) diaphysis
• D) endosteum

---

Definitions:

Calcitonin

Hormone secreted by the thyroid gland that increases the blood calcium level.

Thyroid Gland

Large gland in the neck that produces several important hormones, including thyroxine, triiodothyronine, and calcitonin.

Iodized Salt

Salt that has been fortified with iodine, a nutrient essential for thyroid function.

Thyroid

A gland in the neck that secretes hormones regulating growth and metabolism by controlling the rate of metabolism and the rate at which the body uses energy.