Growth and Repair

Bones are very strong, but can be susceptible to__________?

• Calcification

• Brittleness

• Fractures

• Twisting

True or False?

Rickets is a disease in adults in which the bones fail to calcify.

• True

• False

What is very essential for bones to retain normal proportions and strength during long-bone growth as the body increases in size and weight?

• Osteoclasts

• Osteoblasts

• Bone Remolding

• Hematoma

True or False? Blood vessels are ruptured when the bone breaks, the blood-filled swelling is called hematoma.

• True

• False

What is the first stage in the healing of a bone fracture?

• Bony callus forms

• Bone remolding occurs

• Bony callus forms

• Hematoma forms

The two strongest and most supportive tissues in the body are_______?

• Cartilage and Bone

• Blood vessels and Veins

• Osteoblasts and Osteoclasts

A fracture is treated by _________, which is the realignment of the broken bone ends.......

• Rickets

• Bone remodeling

• Bony callus

• Reduction

What does a comminuted fracture look like ?

• Bone breaks into many fragments

• Broken bone portion is pressed inward

• Bone is crushed

• Bone breaks incompletely

True or False? Impacted fracture is when a broken bone portion is pressed inward.

• True

• False

The forth stage in the healing of a bone fracture is ?

• Reduction

• Bone remodeling occurs

• Fibrocartilage callus forms

• Fossa