Lecture 2 - Quiz 1

Question 1

Superior?

Answer 1

Nearer to Top

Question 2

Medial?

Answer 2

Near to midline

Question 3

Distal?

Answer 3

Further from trunk

Question 4

Supine?

Answer 4

Lying on back facing upwards

Question 5

Name the cell that builds bone?

Answer 5

Osteoblast

Question 6

Name the structural unit of compact bone?

Answer 6

Osteon

Question 7

In what direction are the trabeculae of spongy bone positioned / directed?

Answer 7

Arranged along lines of stress

Question 8

What is the role of the Haversian canal?

Answer 8

Contains blood vessels and nerves

Question 9

Explain the role of the periosteum?

Answer 9

Surrounds external surface of bone where not covered by cartilage
Protects the bone - double layered and inner layer contains osteoclasts and osteoblasts assisting in bone growth and repair

Question 10

Give one example of a short and sesamoid bone?

Answer 10

Short - carpel, Sesamoid - patella

Question 11

Does parathyroid hormone increase or decrease blood calcium?

Answer 11

Increases

Question 12

Explain why a patient may be deficient in Vit D?

Answer 12

Lack of sunlight
Body too covered in clothing
Poor diet
Malabsorption / reduced ability to produce an active form of Vit D through the skin, liver and kidneys
Age
High alcohol levels of intake

Question 13

Name the cell that has a ruffled border and secretes enzymes?

Answer 13

Osteoclast