A& P skeletal system

What are the main functions of the skeletal system?

A) Support, protection, movement, mineral storage, and blood cell production

What are the two main divisions of the skeletal system?

B) Axial skeleton and appendicular skeleton

How are bones classified based on shape?

A) Long, short, flat, irregular,

What is the order of vertebrae types in the human spine?

B) Cervical, thoracic, lumbar, sacral, and coccygeal

How many cervical vertebrae are there?

Seven

What is the primary difference between cervical and lumbar vertebrae?

A) Cervical vertebrae support the head; lumbar bear more weight

What are the three types of ribs in the thoracic cage?

True ribs, false ribs, and floating ribs

How many true ribs are present in the human body?

A) 12 pairs (24 total)

What defines a synovial joint?

B) A joint characterized by a fluid-filled cavity allowing for free movement

What are the classifications of fractures?

Compound (or open) fractures: break through the skin

Simple (or closed) fracture skin remains intact

Mixed fractures - include both types

Comminuted fractures-bone shatters into pieces

Greenstick fractures -incomplete, common in children

Stress fractures - small cracks from overuse

Acute fractures-caused by sudden injury

Chronic fractures - develop slowly over time.

What are the brief steps in bone growth and repair?

1. Inflammation

2. Soft callus formation

3. Hard callus formation

4. Remodeling

What are bone markings?

projections and depressions found on bones, which help us to identify the location of other body structures, such as muscles.