Skeletal System Quiz

Which of the following is not directly related to the skeletal system's primary roles?

• Support and structure

• Mineral storage

• Endocrine regulation

• Facilitating movement

Does the bone healing process involve the development of a callus?

• True

• False

The main mineral stored in bones is ________.

• calcium

• phosphorus

• potassium

• sodium

Which process involves the release of calcium from bones into the bloodstream?

• Bone formation

• Bone resorption

• Endochondral ossification

• Callus formation

When calcium levels in the blood are too high, which hormone is released to inhibit osteoclast activity and promote calcium storage in bones?

• Parathyroid hormone (PTH)

• Calcitonin

• Vitamin D

• Glucagon

Tags

NGSS.HS-LS1-3

Explain the difference between the role of red bone marrow and yellow bone marrow in the body.

• Red bone marrow stores fat, yellow bone marrow produces blood cells.

• Red bone marrow produces blood cells, yellow bone marrow stores fat.

• Both store fat and produce blood cells equally.

• Neither stores fat nor produces blood cells.

Osteoclasts break down bone matrix, releasing _______ into the bloodstream.

• Phosphate

• Calcium

• Magnesium

• Potassium

Tags

NGSS.MS-LS1-3

Calcium is primarily stored in the _______ of the bone, which gives the bone its strength and rigidity.

• Cortex

• Matrix

• Marrow

• Periosteum

Which of the following is the longest bone in the human body?

• Humerus

• Femur

• Tibia

• Radius

What is the primary function of red bone marrow?

• Mineral storage

• Blood cell production

• Fat storage

• Hormone production