Skeletal System: Disorders

Question 1

Define osteoporosis

Answer 1

A condition associated with reduction of bone density due to exceeding bone reabsorption rate over deposition rate

Question 2

What does osteoporosis lead to?

Answer 2

• fragility of bone tissue
• immobility of joints
• bone pain
• May cause fractures and skeletal deformities

Question 3

Factors causing osteoporosis

Answer 3

1. Hormonal imbalances (especially at menopause)
2. Calcium deficiency
3. Environmental factors

Question 4

What is osteoarthritis?

Answer 4

A degenerative non-inflammatory disease which causes pain and restricted movements in affected joints

Question 5

How does osteoarthritis occur?

Answer 5

Articular cartilage at joints gradually become thinner so articular surfaces of bones come in contact.

These bones begin to degenerate eventually, leading to pain

Question 6

Risk factors of osteoarthritis

Answer 6

• obesity
• excessive use of affected joints
• female gender
• aging
• heredity

Question 7

What are functions of intervertebral discs

Answer 7

Act as shock absorbers

Protects spinal cord

Question 8

What are intervertebral discs consisted of

Answer 8

• outer cartilage ring
• Central core of soft gelatinous material

Question 9

What is slipped disc

Answer 9

An injury or weakness causes the inner portion of the intervertebral disc to protrude through the outer ring.

Question 10

What can slipped disc lead to

Answer 10

This leads to pain and discomfort

If a slipped disc compresses a spinal nerve, there can be pain and discomfort along the affected nerve.

Question 11

What’s the cause of slipped disc

Answer 11

When lifting heavy weights without bending knees