Immobilization is one of the most important aspects of orthopedic treatments.  

• True
• False

Working time is the length of time that a material remains of moldable consistency. 

• True
• False

How should you prepare the patients limb before casting? 

• Check final position
• Apply moisturizing cream
• Remove jewelry
• Treat wounds

Classic plaster of Paris cast are made of Gypsum

• True
• False

why to put padding and stockinette under the cast?

• to protect skin and bony prominences
• to protect from risk of burn when removing with a cast saw
• to prevent hair to stick to casting material
• for patient comfort

Medical professionals tend to use Plaster of Paris because they assume a better moldability.  

• True
• False

What are joints?

• The connection between bones in the body
• The connection between bones and organs
• The connection between bones and nerves
• The connection between bones and ligaments

What are osteoblasts responsible for?

• Resorbing bone through the normal bone metabolism cycle
• Producing bone marrow
• Maintaining bone growth density
• Building bone through the normal bone metabolism cycle

What are osteocytes responsible for?

• Maintaining bone growth density
• Produce bone marrow
• Facilitating calcium production
• Reducing the weight of the bone with its sponge like structure

What chemicals are contained in gypsum?

• Calcium sulphate
• Sodium sulphate
• Sodium chloride
• Calcium chloride