LC The Musculoskeletal System

The skeleton and muscles together form the:

• Nervous system

• Musculoskeletal system

• Circulatory system

• Digestive system

Which of the following is NOT a function of the skeleton?

• Support

• Protection

• Hormone production

• Blood cell manufacture

The axial skeleton includes the:

• Arms and legs

• Pelvic girdle

• Skull and spine

• Shoulder girdle

How many cervical vertebrae are there?

• 5

• 7

• 12

• 4

True ribs are:

• Not attached to the sternum

• Attached directly to the sternum

• Attached only to cartilage

• Floating ribs

The outer protective covering of a long bone is called the:

• Diaphysis

• Epiphysis

• Periosteum

Red bone marrow is responsible for:

• Fat storage

• Blood cell production

• Calcium storage only

• Cartilage formation

The medullary cavity in adults mainly contains:

• Red marrow

• Compact bone

• Yellow marrow

• Cartilage

Osteoblasts are cells that:

• Break down bone

• Form bone

• Maintain bone mass only

• Produce cartilage

A ball-and-socket joint is found in the:

• Elbow

• Knee

• Shoulder

• Skull